How many investments has 645 Ventures made?

645 Ventures has 114 tracked investments, including 7 dated in the last 24 months.

What stage does 645 Ventures invest at?

645 Ventures invests at the Pre-Seed, Seed, Series A, Series B stages.

What is 645 Ventures's typical check size?

645 Ventures typically writes checks of $1M – $5M.

Where is 645 Ventures located?

645 Ventures is headquartered in New York, US.

Does 645 Ventures lead rounds?

Yes, 645 Ventures leads investment rounds.

Who does 645 Ventures co-invest with?

645 Ventures most often shares deals with Y Combinator, 500 Global, Booz Allen Ventures, among 219 tracked co-investors.

645 Ventures

Venture capital

New York · Pre-Seed–Series B · 21 people tracked

Also known as 645 VENTURES MANAGEMENT, LLC

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✨ Fox Verdict

Investment thesis

645 Ventures invests in exceptional founders at the earliest stages, seeking companies that are pre-product, pre-revenue, and pre-consensus. The firm evaluates founders against four traits: purity of motivation (authentic drive to solve a problem), an earned secret (non-obvious market insight from deep expertise or contrarian research), obsessive problem-solving focus, and non-consensus thinking. Beyond capital, the firm actively supports portfolio companies through go-to-market strategy, fundraising guidance, valuation and term negotiation help, and connecting founders with advisors, distribution partners, and other key stakeholders. It concentrates on several areas of deep domain experience across the technology landscape.

Invests inAI & Machine Learning Consumer Data & Infrastructure Enterprise Software Fintech SaaSSector AgnosticSpace Tech New York United States

Source: firm website, verified Aug 25, 2026.

Stage

Pre-Seed–Series B

Check

$1M – $5M

New York, New York, US

Leads rounds

Leads

Instruments

Equity

Founded

2013

Last 12 months

9 investments

AUM

$550M

VC funds

Tracked investments

131

Team · 21 people

from the firm's website & public directories

Nnamdi Okike· Co-Founder and Managing Partner· New York, New Yorkin 𝕏

Nnamdi Okike, co‑founder of one of the largest Black‑led VC franchises, built the in‑house Voyager platform and uses data systems to algorithmically surface overlooked winners and reduce sourcing bias.

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Parul Singh· Investment Partner· San Francisco Bay Areain 𝕏

Parul Singh is an Investment Partner on 645 Ventures' Investment & Research team, focusing on the AI stack including software, developer tools, and infrastructure. She previously spent about a decade as a full-stack developer and product manager, with roles at the New York Times, Inc. Magazine, and Fast Company, and founded a learning analytics company. She later invested at Founder Collective and Initialized Capital, and holds a degree from Harvard College and an MBA from MIT.

p•••@initialized.comreveal

Vardan Gattani· Investment Partner· New Yorkin

Vardan Gattani is an Investment Partner on 645 Ventures' Investment & Research team, where he leads the firm's deep tech and cybersecurity investments and also covers enterprise and vertical software. He was previously an investor at Riot Ventures and AlleyCorp, and earlier led go-to-market teams at Foursquare and Estimote. He holds a B.A. from Wesleyan University and an MBA from Columbia Business School.

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William Hess· Principal, Investment & Research teamin

William "Willy" Hess is a Principal on the Investment & Research team at 645 Ventures, working with portfolio founders across verticals including fintech, hard tech, consumer, and iGaming. Before joining the firm, he worked in Corporate Development and Finance at FanDuel and later on the investment team at Thrive Capital. He holds a B.A. from Harvard College and an MBA from Harvard Business School.

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Jon Smith· Principal

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Aaron Holiday· General Partner· New York, New Yorkin 𝕏

Aaron Holiday is co-founder and Managing Partner at 645 Ventures, an early-stage firm he launched in 2014 that leads seed and Series A rounds. He brings two decades of finance and technology experience, including building equities program trading and FX derivatives software, and previously served as the first Managing Entrepreneurial Officer at Cornell Tech, where he worked with former Twitter CTO Greg Pass to establish the campus Studio curriculum. His firm's portfolio includes Goldbelly, Iterable, FiscalNote, Squire, Resident/Nectar Sleep, FLY Labs (acquired by Google), Source3 (acquired by Facebook), and Abacus (acquired by Certify).

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Blair Flicker· Senior Advisor· New York, New York, United Statesin

Blair Flicker joined 645 Ventures as a Senior Advisor in January 2024, where he focuses on firm operations and management. He previously spent over two decades at Insight Partners as General Counsel and Managing Director, overseeing the firm's legal activities, and earlier worked at Johnson & Johnson and the law firm Skadden, Arps, Slate, Meagher & Flom. He holds a BA in Economics from Tufts University, a JD from Columbia Law School, and an MBA from Columbia Business School.

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Chonlathit Jittachalothorn· Controller· Washington, District of Columbia, United Statesin

Chonlathit Jittachalothorn (CJ) is the Controller at 645 Ventures, overseeing financial operations, fund financial reporting, and compliance. He previously served as Controller at the Pay It Forward Company and held finance leadership roles at private equity firms ACON Investments and Tinicum, and began his career in audit and assurance at PricewaterhouseCoopers and EisnerAmper. He holds an MBA in Finance from DePaul University and a Bachelor of Accountancy from Kasetsart University, and is a CPA licensed in New York and Washington, DC.

c•••@645ventures.comreveal

Christina Siadat· Executive Assistant and SF Office Manager· San Franciscoin

Christina Siadat is an Executive Assistant and SF Office Manager at 645 Ventures, working closely with the investment team and founders. A Bay Area native, she began her venture capital career on Sand Hill Road and has spent over 12 years in the industry, including prior experience at Redpoint Ventures. She holds a BS in Business Administration with an emphasis in Marketing from Regis University.

c•••@645ventures.comreveal

Eric Parshall· Senior Full-Stack Engineer II· Salt Lake, Utahin

Eric Parshall is a Senior Full-Stack Engineer II at 645 Ventures, where he builds the firm's internal software tools that support its investing strategy. He has worked as a software engineer for more than a decade, including at startups in Utah's "Silicon Slopes." He holds a B.S. in Accounting from Brigham Young University.

e•••@645ventures.comreveal

Kelly Hardeman· Managing Director & Head of Investor Relations· New York, NYin

Kelly Hardeman is Managing Director and Head of Investor Relations at 645 Ventures, which she joined in 2023 to lead capital raising, investor communications, and investor relationship management. She previously worked at Morgan Stanley's Private Equity group, led investor reporting at Pegasus Capital Advisors, worked in investor relations at Insight Partners, and led North American fundraising at Jerusalem Venture Partners. She holds a BA in Mathematics from NYU.

k•••@645ventures.comreveal

Lexi Quirk· Managing Director & Head of Product· Boston, Massachusetts, United Statesin

Lexi Quirk is Managing Director and Head of Product at 645 Ventures, where she leads development of the firm's proprietary investment software, Voyager, alongside a team of engineers. She handles diligence on potential investments in user research, product, and design tools, and oversees the firm's platform team supporting founders on business development, PR, and go-to-market strategy. She joined the firm in 2021 after working as a management consultant and product manager at Accenture, and holds a B.A. in Psychology with a concentration in Education from Princeton University.

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Mendy Yang· Vice President· New York, New Yorkin 𝕏

Mendy Yang is a Vice President on 645 Ventures' Investment & Research team, working with founders in enterprise AI, with attention to cybersecurity, compliance, IT, and customer support/success. She began her career at Vista Equity Partners, a software-focused private equity fund, and later invested in B2B SaaS at Lerer Hippeau and Soma Capital. She holds a BS from Yale University, where she double majored in Economics and Psychology.

m•••@645ventures.comreveal

Meredith Tibbals· Vice President, Success team· New Yorkin

Meredith Tibbals is a Vice President on the Success team at 645 Ventures, where she works with founders to support their companies through their next phase of growth. She previously held roles at Facebook's Small Business team, Columbia Business School, and First Round Capital. She graduated from Georgetown University with a B.A. in History and Sociology.

m•••@645ventures.comreveal

Natasha Bradley· Executive Assistant & New York City Office Manager· New York Cityin

Natasha Bradley is the Executive Assistant and New York City Office Manager at 645 Ventures, supporting firm leadership and overseeing office operations. Her prior experience spans executive support, project management, and event planning across financial services, technology, sports & entertainment, and consulting. She holds a B.S. in Sociology with a concentration in Community Change from San Jose State University.

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Pete Keenan· Managing Director & Head of Finance· Lakewood Ranch, Floridain

Pete Keenan is Managing Director and Head of Finance at 645 Ventures, where he leads portfolio management and strategic finance, including fund performance analysis, portfolio company finance support, and capital market activities such as portfolio M&A and IPOs. Before 645 Ventures, he spent four years at Volition Capital, a Boston-based growth equity firm, working on valuation analysis, fund administration, and investor reporting, and began his career in KPMG's Alternative Investments audit practice. He holds a BS and MS in Accounting from Fairfield University and is a CPA in Massachusetts.

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Randi Jakubowitz· Head of Operations & Talent· New York City Metropolitan Areain

Randi Jakubowitz is Head of Operations & Talent at 645 Ventures, where she supports portfolio founders with team building and talent processes and manages internal firm operations including people, events, marketing, and business development. Before joining the firm, she held senior people leadership roles at companies including Seamless/GrubHub, Toptal, Paro, and Havas, and was part of the operational leadership team through the Seamless-GrubHub merger and IPO. She holds a Bachelor of Business Administration from Emory University's Goizueta Business School and is also a professional coach.

r•••@645ventures.comreveal

Stephen Lang· Design Fellow· Brooklyn, New York, United Statesin

Stephen Lang is 645 Ventures' first Design Fellow, where he oversees the firm's visual brand and works with portfolio companies to develop narratives for customer acquisition, hiring, and fundraising. He is also Co-founder and Chief Design Officer at 4149, which was spun out of The Foundry at Cornell Tech, where he served as User Experience Designer in Residence. He holds a Bachelor of Fine Arts in Graphic Design from SUNY Purchase and studied abroad at the Universidad Ibero Americana in Mexico City.

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Yasmeena Faycurry· Senior Associate, Investment and Research (I&R) team· New York, New York, United Statesin

Yasmeena Faycurry is a Senior Associate on the Investment and Research team at 645 Ventures, focusing on B2B and Consumer founders, particularly in networks and logistics. She previously invested in consumer at Listen Ventures and in industrial companies at Chicago Ventures, and earlier founded Unfound, a local-recommendations app community she grew to over 20,000 users. She holds a BA in Economics with honors from Northwestern University, with concentrations in computer science, entrepreneurship, and marketing.

y•••@645ventures.comreveal

Matthew Hawes· Associate· New York, New Yorkin

Focuses on early-stage company building alongside founders. Previously led AI investing at 645 Ventures and worked at the intersection of infrastructure and enterprise software at Bain & Company and Insight Partners. He is a Chapter Lead for BLCK VC and holds a BA in Psychology and Computer Science from Harvard.

Michael Liu· Associate· New York, New York

Founder mafia

3 people who came through 645 Ventures went on to found or lead other companies.

Jay RenoVenture PartnerFounded Pointhound +1 Aaron HolidayGeneral PartnerFounded Goldbelly Philip MengInvestment InternFounded Shepherd

What they invest in

from 53 of 131 portfolio companies

AI & Machine Learning ×27SaaS ×26Enterprise Software ×20Fintech ×10Consumer ×8Data & Infrastructure ×6Marketing Tech ×6Developer Tools ×5

HQs:United States×43United Kingdom×1Mexico×1

Who they back

founder profiles across 29 portfolio companies

24%

solo founders

7 of 29 mapped founding teams

32%

repeat founders

of 37 founders with career history

~4 yrs

old at investment

median across 9 dated deals

Founding team size:solo founder×72 founders×83 founders×104+ founders×4

Where their founders studiedfrom 35 founders with education data

Brown University ×2Harvard University ×2LeapYear ×2The University of North Carolina at Chapel Hill ×2

Where their founders worked beforefrom 37 founders with career history

Goldman Sachs ×3HelloSign ×3Apple ×2Dropbox ×2Oracle ×2Square ×2Uber ×2

Accelerator rootsportfolio companies that came through a program

Y Combinator ×10 500 Global ×2

10 hold an MBA (of 36 with degree data)

Investments · 131 tracked

founders shown can be your intro path

By year:2026 · 5 2025 · 7 2024 · 5 2023 · 3 2022 · 1 2021 · 4 2020 · 2 2019 · 1 2016 · 129 dated

Fiscal Notefiscalnote.com in 𝕏OTC: NOTE

FiscalNote provides AI-powered software that aggregates and interprets legislative and regulatory data to help organizations track and influence policy outcomes.

AI & Machine LearningData & InfrastructureGovTechSaaSWashington, US

Tim Hwang(Co-founder)inGerald Yao(Co-founder)Jonathan Chen(Co-founder)Paul Donnell(Chief Accounting Officer)Jon Slabaugh(CFO and Senior VP of Corporate Development)Richard Henderson(Executive Officer)

PartnerAaron Holiday· led

Co-investorsChaac Ventures Conversion Capital Dorm Room Eastward Capital Partners Fitz Gate Ventures GPO Fund +11 more

Lunchbox Technologieslunchbox.io in 𝕏Oct 2020✓ verified

Lunchbox is a digital commerce platform for enterprise restaurants that unifies ordering, catering, loyalty, and marketing functions.

Enterprise SoftwareFoodTechRetail TechSaaSNew York, US

Nabeel Alamgir(Executive Chairman & Founder)Andrew Boryk(Founder)inJames Walker(CEO)

Board seatNnamdi Okike· per SEC Form D

Co-investorsPrimary Venture Partners 1982 Ventures Beyond Capital Coatue Management Frontline Ventures Gala Capital Partners +2 more

UpsideHoMjoinupside.com in 𝕏Oct 2024✓ verified

Upside provides end-to-end housing stabilization services for individuals experiencing housing instability within healthcare settings, serving health plans, employers, and their members across Medicaid, Medicare, and employer coverage.

Enterprise SoftwareHealthtechSaaSSocialWellness & FitnessFort Lauderdale, US

Jake(CEO)inPeter Badgley(Executive Officer, Director)inJacob Rothstein(Executive Officer, Director)

Board seatAaron Holiday· per SEC Form D

Co-investorsEquitage Ventures, L.L.C.Flare Capital Partners Techstars

Meridianmeridian-ai.com in✓ verified

Meridian is a CRM and data platform for venture capital and investment firms that centralizes deal history, automates workflow logging, and enriches records with a bundled database of 26 million company records and verified contacts.

AI & Machine LearningFintechSaaS

Alex Sen(Founder & CEO)inAlex Zagoro(Chief Technology Officer)in

Co-investorsDnipro Andreessen Horowitz

Clerqclerq.ioOct 2025 · $21M

Clerq is a payment platform that lets businesses accept guaranteed bank-account payments from customers in store or online, reducing card processing fees and chargeback risk.

FintechSaaSNew York, US

Truett Dwyer(Executive Officer, Director)Benjamin Markowitz(Executive Officer, Director)

BoardAdam Nelson(Director)

Board seatNnamdi Okike· per SEC Form D

Co-investorsCoalition Operators Fika FirstMark Capital Commerce Ventures Dash Fund Fika Ventures

Efficient Capital Labsecaplabs.com inSep 2024

ECL provides non-dilutive, revenue-based financing to SaaS and AI companies with recurring revenue, using AI-assisted underwriting to make cross-border funding decisions quickly.

AI & Machine LearningFintechSaaSNew York, US

KAUSTAV DAS(Executive Officer, Director)inMANISH ARORA(Director)in

BoardSANDEEP PATIL(Director)in

Board seatAaron Holiday· per SEC Form D

Co-investorsEudemian Ventures Everywhere Ventures Lorimer Ventures QED Investors Two Culture Capital The Fund

Mandolinmandolin.com inJun 2021SEC filingmedium confidence

Mandolin provides AI agents that automate back-office workflows for specialty drug administration, including patient intake, benefits verification, prior authorizations, and revenue cycle management for infusion centers and clinical practices.

AI & Machine LearningEnterprise SoftwareHealthtechSan Francisco, US

Mary Kay Huse(Executive Officer, Director)Will Yin(CEO & Co-Founder)Rohit Rustagi(Co-Founder & COO)

BoardMike Fitzgerald(Director)inEric Tobias(Director)inScott D. Dorsey(Director)in

Board seatNnamdi Okike· per SEC Form D · $12M raise · filed Jun 2021

Co-investorsGreylock Partners SignalFire SV Angel Timeless High Alpha Maverick Ventures

Negotiatus Corp.Aug 2021SEC filingmedium confidence

New York, US

Board seatNnamdi Okike· per SEC Form D · $30M raise · filed Aug 2021

Co-investorsRally Ventures Management, Llc Stage Capital

ReflexAI, Inc.May 2024SEC filingmedium confidence

New York, US

Board seatNnamdi Okike· per SEC Form D · $7M raise · filed May 2024

RentSpreerentspree.com inAug 2022

RentSpree is a digital platform that simplifies the home rental process by streamlining tenant screening, applications, and rent payments for renters, agents, and landlords.

MarketplacesPropTechSaaSLos Angeles, US

Michael Lucarelli(CEO & Co-founder)Paul Sirisuphang(COO & Co-founder)Ekabutr Sirisuphang(Director)

Board seatNnamdi Okike· per SEC Form D

Co-investorsKube VC Rally Ventures Management, Llc Vesta Ventures Amplify.LA Green Visor Capital TenOneTen Ventures

Setpoint Technologies Inc.Mar 2024SEC filingmedium confidence

Austin, US

Benjamin Rubenstein(Executive Officer, Director)Stuart Wall(Executive Officer, Director)Michael Lam(Executive Officer, Director)Michael Dixon(Executive Officer)Danielle DePalma(Executive Officer)

BoardDavid Haber(Director)in

Board seatNnamdi Okike· per SEC Form D · $30M raise · filed Mar 2024

Co-investorsAndreessen Horowitz

SkydropXskydropx.com in 𝕏Oct 2021

SkydropX provides shipping automation software for e-commerce and retail businesses in Mexico, handling label generation, tracking, delivery time estimation, and return management across the fulfillment process.

Enterprise SoftwareLogistics & Supply ChainMarketplacesSaaSMonterrey, MX

Tavo Zambrano(Founder/CEO)inArmando Solbes(Founder)inLuis Garza Sada(Executive Officer, Director)Arnoldo Collin(Executive Officer, Director)

BoardWeston WAMP(Director)

Board seatAaron Holiday· per SEC Form D

Co-investorsSierra Ventures Y Combinator FJ Labs

Uptiquptiq.ai in 𝕏Feb 2025 · $25M

Uptiq builds pre-built, domain-trained AI agents that automate operational work in banking and lending—covering prospecting, onboarding, underwriting, credit decisioning, risk monitoring, and client engagement.

AI & Machine LearningEnterprise SoftwareFintechMckinney, US

Snehal Fulzele(Executive Officer, Director)inGanapathi Palanipandian(Director)

BoardMichael Walsh(Director)

Board seatNnamdi Okike· per SEC Form D

Co-investorsCota Capital Curql Collective, LLC EPIC VENTURES Evolution Ventures Hourglass Venture Partners Silverton Partners +6 more

VividlyJan 2025

Tomball, US

Board seatNnamdi Okike· per SEC Form D

Co-investorsCentana Partners Costanoa Ventures Fermion

Abacus

PartnerAaron Holiday· led

Accend

Acclaim

Agency

Airfold

Alexalex.com in 𝕏

Alex is a recruitment automation platform that conducts candidate screening, interviews, and scoring using standardized questions and objective criteria.

AI & Machine LearningEnterprise SoftwareHR TechSaaSSan Francisco, US

Aaron Wang(Founder)inJohn Rytel(Founder)in

Co-investorsPeak XV Partners Y Combinator 1984 Ventures Management, Llc HOF Capital Uncorrelated Ventures

Alice

All Hands AIall-hands.dev in 𝕏

All Hands develops OpenHands, an open-source, model-agnostic platform for building and running AI coding agents, providing the interface, automation, and control layer to scale from a single local agent to an organization-wide system.

AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise Software

Robert Brennan(CEO)Graham Neubig(Chief Scientist)Xingyao Wang(Chief AI Officer)Ben Solari(CRO)

Co-investorsBetaworks Fujitsu Ventures Pillar VC Menlo Menlo Ventures

Alma Security

Andrenaandrena.com in 𝕏

Andrena is a wireless Internet service provider that delivers high-speed connectivity to multi-tenant buildings and households using wireless technology beamed to building roofs, then distributed wirelessly to units.

CleantechCloud ComputingNew Jersey, US

Neil Chatterjee(Founder)James Smits(Founder)in

Co-investorsAfore Capital Bollinger Investment Group Calm Ventures Castle Island Ventures Chaos Ventures Chapter One +7 more

AptDecoaptdeco.com in 𝕏Dec 2021

AptDeco is an online marketplace where users buy and sell used furniture with integrated delivery services.

Circular EconomyConsumerE-commerceLogistics & Supply ChainMarketplacesNew York City, US

Reham Fagiri(Founder/CEO)inKalam Dennis(Founder)inkalam dennis(Founder)in

BoardBrett Topche(Director)in

Co-investorsComcast Ventures FJ Labs Great Oaks Venture Capital HearstLab Red & Blue Ventures Sandalphon Capital +2 more

Apty

Arborjoinarbor.com in 𝕏Feb 2026 · $6.3M

Arbor provides a platform that helps households access renewable electricity at lower costs while reducing energy-related complexity.

ConsumerEnergySaaS

Co-investorsCity Light First Round Capital FJ Labs Lowercarbon Capital Obvious Ventures Third Sphere +3 more

Arborarbor.co inFeb 2026 · $6.3M

Arbor develops power systems intended to provide reliable, emissions-free baseload power at large scale.

CleantechClimate TechEnergyLos Angeles, US

Brad Hartwig(Founder)in

Co-investorsCantos Ventures Congruent Ventures Gigascale Capital Voyager Partners Chaac Ventures Comma Capital +2 more

Arbortryarbor.com inFeb 2026 · $6.3M

Arbor is an AI platform that turns an organization's video footage — webinars, interviews, and events — into a suite of repurposed content including clips, social posts, blog articles, email sequences, and pull quotes, with automatic brand templates and voice controls.

AI & Machine LearningMarketing TechSaaS

Co-investorsFoundersEdge Chaac Ventures Comma Capital LOWERCARBON Next Play Ventures

Aryeo

Athena Intelligence

Attentionattention.com inOct 2025 · $14M

Attention provides AI-powered sales tools for revenue teams, automating CRM data entry and providing real-time sales coaching to improve call outcomes and rep productivity.

AI & Machine LearningEnterprise SoftwareSaaSSales Tech

Anis Bennaceur(Founder)inMatthias Wickenburg(Founder)in

Co-investorsAglae Ventures Alven Eniac Ventures RTP Global Frst Liquid Ventures

Attention

BeFreed

BeSpoke

Besxar Space

BetterView Marketplacebetterview.com in 𝕏

Betterview provides a property intelligence platform that combines high-resolution aerial imagery with AI to detect roof condition, property perils, and risk factors, and integrates 2,500+ external data points with insurers' internal policy data.

AI & Machine LearningInsurTechMobility & TransportationPropTechSan Francisco, US

Dave TobiasDavid Lyman

PartnerAaron Holiday· led

Co-investors500 Global ManchesterStory Group, LLC

BigEyebigeye.com in 𝕏

Bigeye is a data observability platform that monitors and improves the reliability of datasets and pipelines for data engineering teams.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareDaly City, US

Kyle Kirwan(Co-founder)Egor Gryaznov(Co-founder)in

Co-investorsCoatue Management Rackhouse Venture Management Lp Sequoia Capital Costanoa Ventures In-Q-Tel

Causelycausely.io in 𝕏

Causely builds autonomous reliability software that helps engineering teams prevent incidents and reduce troubleshooting time in cloud-native environments.

AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise Software

Dr. Shmuel Kliger(Founder)

Co-investors2.12 Angels Glasswing Ventures Tau Ventures Amity Ventures

Condor

Cotiss

Crescendo Health

Cube Dev

Datadatacenterfrontier.com in 𝕏

Data Center Frontier is an online media outlet publishing news, analysis, webinars, and video coverage about the data center industry, including topics such as AI infrastructure, power, cooling, and construction.

Data & InfrastructureMedia & Entertainment

Co-investorsAngeles Equity

DeepSourcedeepsource.com in 𝕏

DeepSource provides developer tools for code quality and security.

AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Sanket Saurav(Co-founder & CEO)inJai Pradeesh(Co-founder, President)in

Co-investorsFundersClub Essence Venture Capital Hack VC Y Combinator

Diagonal

ECL

Ederaedera.dev inFeb 2025 · $15M

Edera builds products focused on secure computing.

Cloud ComputingCybersecurityDeveloper Tools

Alex Zenla(Founder)in

Co-investorsEniac Ventures FPV Generationship M12 (Microsoft's Venture Fund)Mantis Capital Rosecliff Ventures +2 more

Edera

Edge

Ellisellis.ai

Ellis is a platform for private credit fund managers that ingests, structures, validates, and reconciles data from disparate sources such as loan tapes, general ledgers, and fund admin reports.

AI & Machine LearningFintechSaaS

Co-investorsWilshire Lane Capital First Round Capital Khosla Ventures Slow Ventures

Ellisellis.com in 𝕏

Ellis is a modern immigration law firm that combines legal services with a software platform to manage U.S. immigration and visa processes for companies.

HR TechLegalTechSaaSNew York City, US

Co-investorsAdapt Ventures V1 VC First Round Capital Khosla Ventures Slow Ventures

EngineEarsengineears.com 𝕏

EngineEars is a platform that connects musicians with recording studios and engineers for booking and collaboration, while also providing music distribution and direct-to-fan sales tools.

B2B MarketplacesCreator EconomySaaSLos Angeles, US

Luke Sorenson(Founder)in

Co-investorsDrive Capital Slauson & Co.

Firestorm

Fly Labs

PartnerAaron Holiday· led

Forterraforterra.com in 𝕏Nov 2025 · $238M

Forterra develops autonomous weapons, sensors, and battlefield systems using distributed control networks for defense operations.

AI & Machine LearningDefense TechRobotics

Alberto Lacaze(Chairman of the Board and President)Joseph Putney(Chief Technology Officer)

Co-investorsCRESCENT COVE CAPITAL Enlightenment Capital Glynn Capital Management NightDragon Salesforce Ventures SoftBank Vision Fund +8 more

General Analysis

Geniallygenially.com in 𝕏

Genially is a platform for creating interactive and animated content, with built-in AI tools for content generation.

Creator EconomyEdTechSaaS

Luis García Díez(Founder)in

Co-investorsBrighteye Ventures Owl Ventures

Geniallygenial.ly in 𝕏

Genially is a content creation platform for building interactive presentations, courses, quizzes and games, with built-in AI agents, templates, and LMS integration via SCORM and LTI.

AI & Machine LearningEdTechSaaS

Luis García Díez(Founder)in

Co-investorsAthos Capital Civeta Investment Market One Capital JME Ventures Owl Ventures

Gimlet Labs

Goldbellygoldbelly.com in 𝕏

Goldbelly is an online marketplace that ships iconic foods, meals, desserts, regional specialties, and gourmet food gifts from restaurants and local shops to customers across the United States.

ConsumerE-commerceFoodTechMarketplacesMobility & TransportationNew York City, US

Joe Ariel(Founder/CEO)inJoel Gillman(Founder/Vice President of Engineering)inVanessa Torrivilla(Founder/CPO)inTrevor Stow

PartnerAaron Holiday· led

Co-investors500 Global CrunchFund Spectrum Equity Tuesday Capital Y Combinator ACE & Company +1 more

Hallway

Hanover Park

Haplotype Labs

HockeyStack

Inner Balance

Innerwell

InpharmDinpharmd.com in 𝕏Dec 2023 · $6M

InPharmD is a medical literature research platform that analyzes published studies to answer clinical pharmacology questions, specifically focused on adverse drug reactions and medication safety.

AI & Machine LearningDigital HealthHealthtechAtlanta, US

Ashish Advani(Founder)inTulasee Rao Chintha(Founder)in

Co-investorsAsymmetry Ventures Atlanta Tech Village Y Combinator

Iterableiterable.com in 𝕏

Iterable provides customer communication and engagement software that enables brands to create targeted messaging experiences across email, SMS, push, and other channels.

AI & Machine LearningEnterprise SoftwareMarketing TechMedia & EntertainmentSaaSSan Francisco, US

Andrew Boni(Co-founder, CEO (2021-2025))inHaoran Zhu(Executive Officer, Director)Justin Zhu

BoardSabri Murat Bicer(Director)

PartnerAaron Holiday· led

Co-investors500 Global AngelPad Artisanal Ventures Brighter Capital CRV (Charles River Ventures)Glynn Capital Management +6 more

Jackpot

Judy

Kickoff

Launchable

LeagueApps

Legend

Linotype

Lytelyte.city

Lyte operates a network of kiosks where users rent and return portable smartphone chargers via credit card or through the Lyte app, with options like day-passes and subscriptions.

ConsumerHardwareIoTSan Mateo, US

Dajiang Wei(Founder)

Co-investorsBling Capital Expansion Venture Capital Valkyrie

Merge VR

Meridian

Meroka

MM LaFleurmmlafleur.com in

MM.LaFleur is a direct-to-consumer women's apparel brand offering workwear and professional clothing, along with a personal styling service (BENTO) that provides stylist recommendations, subscription deliveries, and a clothing resale program.

ConsumerDirect to ConsumerE-commerceNew York, US

Co-investorsElizabeth Street Ventures Grace Beauty Capital

Momos

Momosmomos.com in

Momos provides AI agents for hospitality brands that automate guest relations across channels such as reviews, SMS, email, and third-party delivery, auto-resolving support tickets and generating customer experience insights.

AI & Machine LearningMarketing TechSaaS

Sai Alluri(Founder)in

Co-investorsAlpha Wave Global Brainstorm Ventures HOF Capital Correlation Ventures FJ Labs Peak XV Partners +3 more

Nanitnanit.com

Nanit makes an AI-powered smart baby monitor that tracks infant sleep, breathing motion and development for parents.

Anushka Salinasin

PartnerAaron Holiday· led

Co-investorsEastward Capital Partners GV (Google Ventures)HCVC RRE Ventures Springcoast Capital Partners Story Ventures +1 more

Navatticnavattic.com in

Navattic builds interactive product demo software that helps sales teams engage buyers and accelerate deal closure.

Enterprise SoftwareMarketing TechSaaSSales TechNew York City, US

Neil McLean(Founder)inRandy Frank(Founder)inChris Hoyle(Founder)in

Co-investorsCanvas Ventures Lighthouse Network Ventures Llc Recall Capital Y Combinator

Nflnfl.com in 𝕏

The National Football League (NFL) is a professional sports organization that operates a league of American football teams and produces content related to professional football, including news, fantasy sports, and merchandise.

Media & EntertainmentSports Tech

o11o11.ai in 𝕏

o11 builds AI agents integrated into enterprise applications.

AI & Machine LearningEnterprise SoftwareFintechSaaSSan Francisco, US

Aryah Oztanir(Founder / CEO)inAjay Misra(Founder)in

Co-investorsY Combinator

OnDat

Oort

Order

Overtimeovertime.tv 𝕏

Overtime creates and operates new sports leagues and media IP — including OTE and OT Select in basketball and OT7 and OT Nationals in football — while producing over 150 weekly pieces of original sports content for its global audience of next-generation fans and athletes.

ConsumerMedia & EntertainmentSports TechBrooklyn, US

Daniel Porter(Executive Officer, Director)Zachary Weiner(Founder)inZack Weiner(Founder)in

Co-investors359 Capital Andreessen Horowitz Bezos Expeditions Black Capital Spark Capital Winslow Capital +14 more

PairAI

Panther Labs

Pointhound

Pomo

Poshly

Rad.rad.live in

Streaming for next-gen video creators in AI, XR, and blockchain

New York City, US

Co-investorsColopl Next DG Daiwa Ventures GFR Fund Social Starts Sony Ventures Corporation Techstars

Redblock AI

Reflex AI

Repacket

Residentresidenthome.com in 𝕏

Resident is a direct-to-consumer mattress company that manufactures and sells memory foam and hybrid mattresses under brands including Nectar, DreamCloud, Awara, and Siena.

ConsumerDirect to ConsumerE-commerceLas Vegas, US

Eric Hutchinson(Co-Founder & CEO)Ran ReskeCraig SchmeizerSharon DaganTomer HatavScott McLeod(Co-Founder & Chief of Staff)

Co-investorsConductive Ventures Glynn Capital Management Liquidity Capital Nexus Capital Management Top Corner Capital VCFA Group

Rifinitirifiniti.comMar 2016

Boston, US

Michael Gresty(Executive Officer, Director)Irina Mladenova(Executive Officer, Director)

BoardDominic Endicott(Director)Nnamdi Okike(Director)inJeff Herrmann(Director)

Co-investorsWalnut Venture Associates

Risottotryrisotto.com inJan 2026 · $10M

Risotto is an AI help desk platform for internal support across multiple departments (IT, HR, Finance, Legal, Security) that automates repetitive questions, routes tickets, and manages access control by integrating with knowledge bases and communication tools like Slack and Teams.

AI & Machine LearningEnterprise SoftwareHR TechSaaSSan Francisco, US

Aron Solberg(Founder)inAlex Confer(Founder)inChris Paul(Founder)in

Co-investorsBonfire Ventures Ritual Capital Transpose Platform Management Y Combinator

Rosie

RunAnywhere

Sandtable

Sequence

Setpointsetpoint.ai in 𝕏

Setpoint builds a climate intelligence system that uses data models and deep learning to monitor and control indoor climate in multi-room, multi-user commercial buildings.

AI & Machine LearningIoTPropTech

Co-investorsFusion VC Gateway Capital Partners Andreessen Horowitz Wells Fargo Advisors

Setpoint.iosetpoint.io in

Setpoint provides a technology platform for loan origination and syndication, helping lenders and originators manage loan relationships and capital transactions with improved standardization and reduced operational error.

Enterprise SoftwareFintechSaaS

Stuart Wall(CEO, Co-founder)inBen Rubenstein(President, Co-founder)inMichael Lam(CIO, Co-founder)in

Co-investorsAndreessen Horowitz ATX Venture Partners Floating Point NextView Ventures Vesta Ventures 75 & Sunny

Shield AIshield.ai

Shield AI develops AI pilot systems for military applications including aircraft, drones, ships, satellites, and submarines.

AI & Machine LearningDefense TechSan Diego, US

Brandon Tseng(President & Co-Founder)inRyan Tseng(President, Co-Founder & Chief Strategy Officer)inAndrew Reiter(Co-Founder)inKingsley Afemikhe(Executive Officer)Gary Steele(Chief Executive Officer)in

BoardKeith Dunleavy(Director)

Co-investorsAdvaita Capital Alpha Partners Altra Venture Andreessen Horowitz Beyond Capital Booz Allen Ventures +34 more

Shift5

Co-investorsBoeing HorizonX Ventures Booz Allen Ventures Center15 Capital Insight Partners

Shop Circleshopcircle.co in 𝕏Sep 2023 · $120M

Shop Circle is a holding company that acquires and modernizes B2B enterprise software businesses, applying AI to operate and grow the companies it owns.

AI & Machine LearningEnterprise SoftwareSaaSLondon, GB

Gian Maria Gramondi(Founder)in

Co-investors3VC BlackSheep Ventures CDP Venture Capital EUREKA! Venture Primo Ventures QED Investors +3 more

SkyDrop

Slope

Solidus Labssoliduslabs.com

Solidus Labs provides compliance and market monitoring software for cryptocurrency and traditional finance.

Crypto & Web3CybersecurityEnterprise SoftwareFintechNew York, US

Asaf Meir(Executive Officer, Director)inChen Arad(Director)Praveen Kumar(Executive Officer, Director)Praveen K. Dosodia(Founder)

BoardProsor Lior(Director)Shimon Mazor(Director)

Co-investorsBeacon VC Declaration Partners Evolution Equity Partners F-Prime Capital Hanaco Venture Capital Evolution Technology +2 more

Source

Source 3

Spiketrapspiketrap.ioJun 2020Acquired

Spiketrap is a provider of conversation intelligence, applying AI to analyze online conversations.

AI & Machine LearningData & InfrastructureMarketing TechSan Francisco, US

Virgilio Pigliucci(Executive Officer, Director, Promoter)Kieran Fitzpatrick(Executive Officer, Director, Promoter)

PartnerAaron Holiday· led

Co-investorsLighter Capital Pathbreaker Ventures Oceans Ventures Susa Ventures

Sponge

Squire Technologiesgetsquire.com in 𝕏Mar 2024 · $200M

Squire operates a two-sided platform where customers can book appointments with barbers while shop owners gain access to integrated booking, payment processing, inventory, and payroll tools to manage their operations.

ConsumerNew York City, US

Songe LaRon(Founder/CEO)inDave Salvant(Founder/President)in

PartnerAaron Holiday· led

Co-investorsAltaIR Capital Aurum CRV (Charles River Ventures)Debut Capital ICONIQ Maccabee Ventures +6 more

Strada

Strellastrella.io in 𝕏Oct 2025 · $14M

Strella provides a research and market intelligence platform aimed at consulting and investment teams, helping them gather insights faster than traditional research methods.

AI & Machine LearningData & InfrastructureMarketing TechSaaSNew York City, US

Priya Krishnan(Founder)inLydia Hylton(Founder)in

Co-investorsBessemer Venture Partners Decibel Partners MVP Ventures

Strella

Superteacher

Thinknumthinknum.com in 𝕏

Thinknum provides alternative datasets that track company activity such as hiring, customer interactions, and product movement to signal corporate performance.

Data & InfrastructureEnterprise SoftwareFintech

Gregory UgwiJustin Zhen

Co-investors500 Global Pejman Mar Ventures

Traverse

True Anomalytrueanomaly.space in 𝕏Apr 2026 · $650M

True Anomaly designs and builds hardware and software systems for space security and defense.

Defense TechHardwareSpace TechCentennial, US

Even Rogers(CEO and Co-Founder)inKyle Zakrzewski(Chief Engineer and Co-Founder)Thomas Nichols(Executive Officer, Director)Daniel Brunski(Director)

BoardJesse Michaels(Director)Austin Bishop(Director)

Co-investorsAccel ACME Capital Black Flag Champion Hill Ventures Cortado Ventures Eclipse Ventures +14 more

Upside

USCT

Variancevariance.com in 𝕏May 2019 · $21.5M

Variance provides AI agents that conduct financial crime investigations for regulated institutions, automating evidence collection and analysis across compliance levels while maintaining audit trails and explainability.

AI & Machine LearningCybersecurityEnterprise SoftwareFintechSan Francisco, US

Karine Mellata(Founder)inMichael Lin(Founder)inJames Gross(Executive Officer, Director)Noah Brier(Executive Officer, Director)

BoardSteve Schlafman(Director)

Co-investorsTen Eleven Urban Innovation Y Combinator Okta Ventures RRE Leaders

Voice AIMay 2023

Santa Monica-based Voice AI operates a real-time speech-to-speech AI voice-changing platform for creators and gamers.

Santa Monica, US

Paul Kats(Executive Officer, Director, Promoter)Heath Ahrens(Executive Officer, Director, Promoter)

BoardOmar Hamoui(Director)

Co-investorsSenseAI Ventures 359 Capital Andreessen Horowitz Capital Today Carya Venture Partners Coreline Ventures +4 more

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.

Exits · 1

IPOs and acquisitions across the tracked portfolio

Fiscal NoteOTC: NOTE

Portfolio news

latest coverage across their companies

The Overtime Tax Break Only Counts the “Half,” Not the “Time-and-a-Half.” Most Workers Are Overestimating It by Double

Overtime · finance.yahoo.com · Aug 22, 2026

Crane Venture Partners Introduces the Meridian Principle: A Philosophy of Human Progress for the Age of AI

Meridian · finance.yahoo.com · Aug 20, 2026

Ann Arbor seeks resident input on investing city funds in carbon offsets - mlive.com

Arbor · mlive.com · Aug 18, 2026

NLPatent rebrands as Clerq, launches agentic patent research workflows - SiliconANGLE

Clerq · siliconangle.com · Aug 18, 2026

Wispr Raises $280 Million At $2 Billion Valuation As Revenue Grows 150%+ Quarterly And Voice AI Push Accelerates

Voice AI · pulse2.com · Aug 17, 2026

Harvard’s $630M China Funding Under Scrutiny as AI Judges and Data-Center Power Crunch Gain Attention |

Attention · peakprosperity.com · Aug 16, 2026

ICYMI fintech funding round-up: Ellis, Naran, Model ML, and more

Ellis · fintechfutures.com · Aug 14, 2026

Founder Ryan Williams Raises More Than $10M In Seed Funding For Ellis AI-Native Operations Platform - AfroTech | AfroTech

Ellis · afrotech.com · Aug 11, 2026

Frequently asked questions

How many investments has 645 Ventures made?: 645 Ventures has 114 tracked investments, including 7 dated in the last 24 months.
What stage does 645 Ventures invest at?: 645 Ventures invests at the Pre-Seed, Seed, Series A, Series B stages.
What is 645 Ventures's typical check size?: 645 Ventures typically writes checks of $1M – $5M.
What sectors does 645 Ventures focus on?: 645 Ventures focuses on AI & Machine Learning, Consumer, Data & Infrastructure, Enterprise Software, Fintech, SaaS, Sector Agnostic, Space Tech.
Where is 645 Ventures located?: 645 Ventures is headquartered in New York, US.
Does 645 Ventures lead rounds?: Yes, 645 Ventures leads investment rounds.
Who does 645 Ventures co-invest with?: 645 Ventures most often shares deals with Y Combinator, 500 Global, Booz Allen Ventures, among 219 tracked co-investors.

Media · Podcasts & interviews

featuring the team

448th 1Mby1M Entrepreneurship Podcast With Nnamdi Okike, 645 Ventures

1Mby1M Roundtables · Nnamdi Okike

Nnamdi Okike on Building 645 Ventures, Bias in Fundraising, and Being a Boston Sports Fan in New ...

Something Ventured Podcast · Nnamdi Okike

Watch CNBC's full interview with 645 Ventures' Nnamdi Okike

Nnamdi Okike · cnbc.com

645 Ventures' Nnamdi Okike on investing in tech's 'behavioral change economy'

CNBC Television · Nnamdi Okike

448th 1Mby1M Roundtable June 27, 2019: With Nnamdi Okike, 645 Ventures

1Mby1M Roundtables · Nnamdi Okike

Fireside Chat: 645 Ventures Co-Founder Aaron Holiday

Aaron Holiday · vimeo.com

Co-investors · 68

Andreessen Horowitz

Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.

Both backed · 7

Meridian Overtime Setpoint Setpoint Technologies Inc.Setpoint.io Shield AI Voice AI

$500K – $50M

FJ Labs

FJ Labs is an early-stage investment firm specializing in marketplaces and network-effect businesses, taking an angel-style co-investment approach alongside institutional venture funds worldwide.

Both backed · 5

Andrena AptDeco Arbor Momos SkydropX

$100K – $3M

Chaac Ventures

Chaac Ventures is an early-stage venture firm that backs founders connected to the Princeton University tech and innovation ecosystem, leveraging that global network to help portfolio companies grow.

Both backed · 3

Fiscal Note Arbor Overtime

$250K – $1M

CRV (Charles River Ventures)

CRV is a venture capital firm that backs founders at the seed and Series A stages, focusing on those with deep conviction and unique insights.

Both backed · 2

Iterable Squire Technologies

$250K – $5M

Eniac Ventures

Eniac Ventures partners with early-stage founders, backing companies from 0 to 1.

Both backed · 2

Attention Edera

$1.2M

QED Investors

QED Investors is a venture capital firm focused on financial services, founded by former Capital One executives to back founders bringing transparency and fairness to fintech.

Both backed · 2

Efficient Capital Labs Shop Circle

$30K – $25M

Costanoa Ventures

Costanoa Ventures is an early-stage venture capital firm that backs a select group of founders solving large, difficult problems, positioning itself as a long-term, operationally engaged partner from a company's earliest days through later milestones.

Both backed · 2

BigEyeVividly

$500K – $8M

Rally Ventures Management, Llc

Rally Ventures is an investment firm focused on business technology companies, backing a select group of high-potential startups to help them grow market impact and value.

Both backed · 2

RentSpreeNegotiatus Corp.

$100K – $4M

Craft Ventures

Craft Ventures is a venture capital firm run by a team of former founders, operators, and investors who partner closely with founders to help build and scale technology companies.

Both backed · 1

Shield AI

$50K – $50M

Greylock Partners

Greylock Partners is an early-stage venture capital firm that partners with founders building companies from inception. Its partners make only one or two new investments per year to focus deeply on each partnership.

Both backed · 1

Mandolin

$100K – $200M

Insight Partners

Insight Partners is an investment firm focused on accelerating revenue and profit growth in software companies, providing capital and operational support through its Insight Onsite team.

Both backed · 1

Shift5

$120M – $350M

Everywhere Ventures

Everywhere Ventures is an early-stage venture firm, backed by a community of founders and operators as LPs, that writes early checks (including pre-seed) into startups across many sectors and geographies.

Both backed · 1

Efficient Capital Labs

$250K

▶56 more co-investors

Spark Capital Great Oaks Venture Capital Tiger Global Management Susa Ventures Liquid Ventures Sierra Ventures Trinity Ventures Primary Venture Partners High Alpha Decibel Partners Owl Ventures Silverton Partners Flare Capital Partners Amity Ventures Evolution Equity Partners Market One Capital 3VC Grace Beauty Capital Cantos Ventures Primo Ventures Curql Collective, LLC Redpoint Ventures Bain Capital Ventures Sapphire Ventures Offline Ventures UpHonest Capital Freestyle Capital Stride VC Foundry DN Capital Base10 Partners Accomplice Gaingels Left Lane Capital AlleyCorp Teamworthy Ventures Flourish Ventures Anorak Ventures Baruch Future Ventures Summit Partners Expansive Ventures Endeavor Catalyst Gutter Capital Thirty Five Ventures (35V)Vera Equity Contour Venture Partners SoftBank Capital ANIMO Ventures Page One Ventures LiveOak Ventures Proof Group Bain Capital Crypto A*Infinite Capital Metaplanet LearnLaunch Fund Accelerator

Firms observed investing alongside 645 Ventures, from public investor directories. Shared companies are the overlap with 645 Ventures's recorded portfolio.

Similar investors

Khosla Ventures

Khosla Ventures is a venture capital firm that invests in early-stage companies focused on technology, mobile, and clean energy sectors, including biotechnology applications. The firm provides capital and strategic support to entrepreneurs developing breakthrough technologies across multiple markets.

$5K – $50M

OMERS Ventures

OMERS Ventures is a venture capital firm that invests in founders globally, with investment teams based in New York, Palo Alto, and Toronto.

$5M – $25M

Callapina Capital

Callapina Capital is an operator-led, conviction-led venture firm focused on backing Indian-origin founders building category-defining companies across the US-India corridor. It has invested for over a decade with a Fund I portfolio and is now raising Fund II.

$250K – $1M

Primo Ventures

Primo Ventures is a venture capital firm that invests in early-stage companies. The firm is led by founders with prior entrepreneurial experience.

$1.1M

Ventech China

Ventech China is a venture capital firm founded in 2006 and headquartered in Shanghai, focused on early-stage investments in the internet sector.

Featured in lists

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Website & social

645ventures.com

/645-ventures @645ventures watch video

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As published on the firm's website.

Contact

236 5th Avenue
5th Floor
New York, New York 10001
United States

Emailaaron@645ventures.com

Phone917-734-4346

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Funds

645 VENTURES IV, L.P.Mar 2026 · 82 LPs$181MAUM

645 VENTURES III, L.P.Mar 2026 · 77 LPs$166.2MAUM

645 VENTURES SELECT I, L.P.Mar 2026 · 82 LPs$142.4MAUM

645 VENTURES II, L.P.Mar 2026 · 76 LPs$82.5MAUM

645 VENTURES, L.P.Mar 2026 · 43 LPs$21.6MAUM

Source: SEC Form ADV Schedule D and EDGAR Form D filings. AUM is gross asset value as reported by the adviser.

Latest on 𝕏

645 Ventures @645ventures

Congrats to the @ForterraDrive team! https://t.co/zjZuzP9FZL

Nov 13, 2025 · ♥ 2

645 Ventures @645ventures

📣 @StradaHQ Workflows Announcement 👇 https://t.co/OFWRqag6tH

Sep 16, 2025 · ♥ 4

645 Ventures @645ventures

If you're passionate about technology, have a sharp investment instinct, a proven track record, + are ready to partner with the next generation of transformative founders—we’d love to connect. #VentureCapital #Hiring #Investors #ConsumerTech #HealthTech #Cybersecurity [3/3]

Aug 4, 2025 · ♥ 2