/Investor DB

Altra Venture

Crossover fundActively deploying

New York City · Series B–Late Stage · 2 people tracked

Also known as ALTRA VENTURE PARTNERS LLC

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Investment thesis

Altra focuses on late-stage private technology companies that are proven industry leaders or disruptors with capital-efficient growth and meaningful long-term upside. Its core strategy is providing liquidity to early stakeholders via secondary transactions and LP buyouts, enabling investment outside of fundraising cycles with smaller checks, less competition, and pricing flexibility. It also makes minority investments in growth equity and pre-IPO rounds from Series B onward. Altra offers diversified exposure through dedicated funds and single-company co-investments, making late-stage private investing accessible to individuals, family offices, RIAs, and institutions worldwide, and works directly with companies for transaction approval.

Source: firm website, verified Sep 29, 2026.

Stage
Series B–Late Stage
Check
$500K – $25M
HQ
New York City, US
Leads rounds
Follows
Instruments
Equity
Founded
2026
Private fund assets
$79.9M
VC funds
23
Tracked investments
19
Unicorns
11
IPOs
1

Team · 2 people

from the firm's website

What they invest in

from 16 of 19 portfolio companies

AI & Machine Learning ×8Enterprise Software ×8SaaS ×6Fintech ×5Deep Tech ×3Developer Tools ×3Hardware ×3Cloud Computing ×2

HQs:United States×16Australia×1

Who they back

founder profiles across 18 portfolio companies
0%
solo founders
0 of 18 mapped founding teams
64%
repeat founders
of 44 founders with career history

Founding team size:2 founders×73 founders×34+ founders×8

Where their founders studiedfrom 41 founders with education data

Oberlin College ×4University of California, Berkeley ×4Carnegie Mellon University ×3Princeton University ×3Birla Institute of Technology and Science, Pilani ×2Harvard University ×2Massachusetts Institute of Technology ×2Stanford University ×2

What their founders studiedfrom 36 founders with field-of-study data

Computer Science ×14Engineering ×9Business & Management ×5Physics ×3Economics ×2Humanities ×2Mathematics & Statistics ×2

Where their founders worked beforefrom 44 founders with career history

OpenAI ×8Google ×7Adobe ×2BITS360 ×2Intuit ×2OpenAtlas ×2Qualcomm ×2Stanford University ×2

Accelerator rootsportfolio companies that came through a program

Y Combinator ×4

9 founders hold a PhD · 6 hold an MBA (of 40 with degree data)

Investments · 19 tracked

founders shown can be your intro path
SpaceXspacex.comNASDAQ: SPCX

Revolutionizing space technology to make life multi-planetary

Hawthorne, US

Elon Musk(Founder)inBret Johnsen(Executive Officer)inGwynne Shotwell(Executive Officer, Director)Tom Mueller(Founder)

BoardAntonio Gracias(Director)inSteve Jurvetson(Director)in

Co-investors1/1 Capital137 Ventures1802 Ventures2080 Ventures3Spoke Capital4DX Ventures+206 more

Andurilanduril.comin

Anduril builds autonomous systems and software for defense and military applications, including attack aviation, unmanned aircraft, and underwater vehicles, unified by an autonomy platform.

AI & Machine LearningDefense TechHardwareRobotics

Palmer Luckey(Founder)inBrian Schimpf(Founder)inTrae Stephens(Founder)inJoe Chen(Founder)Joseph Chen(Founder)inMatt Grimm(Founder)

Co-investors137 Ventures1435 Capital1Flourish Capital8VCAliya Capital PartnersAndreessen Horowitz+103 more

angellistangellist.comin𝕏

AngelList's investor management platform provides tools for venture capital and private equity firms to streamline LP interactions, automate fund operations, and deliver reporting and portfolio updates through a branded digital experience.

Enterprise SoftwareFintechSaaS

Avlok Kohli(CEO)inBabak Nivi(Founder)Naval Ravikant(Founder)

Co-investorsAccelerator VenturesAccompliceAgman PartnersAngel Collective Opportunity FundAtacama VenturesBase Venture Management, Inc.+54 more

Anthropicanthropic.comin𝕏

Anthropic is an AI safety research company that builds reliable, interpretable, and steerable AI systems.

AI & Machine LearningDeep TechDeveloper ToolsEnterprise SoftwareSan Francisco, US

Dario Amodei(Founder)inDaniela Amodei(Founder)inTom Brown(Founder)inJack Clark(Founder)inJared Kaplan(Founder)inChris Olah(Founder)in

Co-investors3Comma Capital7BC Venture Capital7GC & CoA.Capital VenturesAccelAkka+151 more

Boom Supersonicboomsupersonic.comin𝕏

Boom Supersonic develops supersonic aircraft and engines, including the Overture commercial airliner and the Symphony turbofan engine, targeting commercial aviation and advanced infrastructure applications.

Advanced ManufacturingDeep TechHardwareMobility & TransportationSpace TechCentennial, US

Blake Scholl(Founder)inJoshua Krall(Founder)inJoe Wilding(Founder)inJosh Krall(Founder)

Co-investorsAccess Ventures (New York)Activant CapitalAlpha FundsAngel Collective Opportunity FundBessemer Venture PartnersCaruso Ventures+62 more

Canvacanva.com

Design platform; Blackbird invested when it was just an idea and in every round since.

SocialSurry Hills, Nsw, AU

Melanie Perkins(Founder)inClifford Obrecht(Executive Officer, Director)Cliff Obrecht(Founder)inCameron Adams(Founder)inIan LeeJeffrey Story

Co-investors3Spoke Capital500 GlobalAirTree VenturesAlkeon InnovationAlpha Square GroupAthletic Ventures+53 more

Databricksdatabricks.comin𝕏

Databricks provides a unified platform for data engineering, analytics, and artificial intelligence, enabling organizations to build and deploy data and AI applications on cloud infrastructure.

AI & Machine LearningCloud ComputingData & InfrastructureEnterprise SoftwareSan Francisco, US

Ali Ghodsi(Founder)inIon Stoica(Founder)inMatei Zaharia(Founder)inReynold Xin(Founder)inPatrick Wendell(Founder)inAndy Konwinski(Founder)in

Co-investors137 VenturesA.Capital VenturesAglae VenturesAlkeon InnovationAlpha Square GroupAmplify Partners+115 more

Eight Sleepeightsleep.com𝕏

Eight Sleep manufactures a smart bed system called the Pod that provides personalized temperature control, elevation adjustment, and integrated sound for sleep optimization.

ConsumerHardwareIoTWellness & FitnessNew York City, US

Matteo Franceschetti(Founder)inMassimo Andreasi Bassi(Founder)inAlexandra Zatarain(Founder)inAndrea Ballarini(Founder)

BoardNG YiPin(Director)

Co-investorsAntiAzure Capital PartnersBlue Scorpion InvestmentsCapital B Private HoldingsComcast VenturesCota Capital+73 more

Ellevestellevest.comin

Ellevest is a women-founded, women-led SEC-registered investment advisor offering wealth management and financial planning services designed for women and their families.

FemTechFintechImpact & Social Good

Sallie Krawcheck(Founder)inCharlie Kroll(Founder)

Co-investorsAloft VCAlumni VenturesAmplifica CapitalAstiaCleo CapitalContour Venture Partners+25 more

Epic Gamesepicgames.com

American video game company behind Unreal Engine, Fortnite and the Epic Games Store, headquartered in Cary, North Carolina.

Cary, US

Tim Sweeney(Founder)Mark Rein(Founder)

Co-investors1435 CapitalAAF Management Ltd.Advaita CapitalAkkaAliya Capital Partnersalphabet angels+49 more

Magicgetmagic.comin𝕏

Magic provides managed virtual assistant teams for executives and growing businesses, handling administrative tasks like calendar management, email, travel planning, and operational coordination.

AI & Machine LearningConsumerEnterprise SoftwareFuture of WorkSaaSWashington, US

Mike Chen(Founder/CEO)inAaron Kemmer(Founder)inDavid Merriman(Founder)inNic Novak(Founder)inMichael Rubin(Founder/CFO)in

Co-investorsHustle FundMVP VenturesSilicon VenturesSprint VcTop Shelf Equity Funds CY Combinator+10 more

Pipepipe.comin𝕏

Pipe provides working capital and financial tools to small and medium-sized businesses through integrations with software platforms they use daily.

Enterprise SoftwareFintechSaaSSan Francisco, US

Claurelle Rakipovic(Chief Executive Officer)inVijay Vachani(Chief Operating Officer)inJin Han(Chief Administrative Officer)inNate Wiger(Chief Product & Technology Officer)inAnna Moghaddam(VP, Head of People)inHarry Hurst(Founder)

Co-investors1/1 Capital515 VenturesAngel Collective Opportunity FundAnthemis VentureBeyond CapitalBlue Lion+41 more

Possible Financepossiblefinance.comin

Possible Finance offers payday advances and short-term loans to individual borrowers, providing quick cash access without credit checks or hidden fees.

FintechLas Vegas, US

Tyler Conant(Founder)inTony Huang(Founder)

Co-investorsCanvas VenturesFJ LabsHustle FundUnion Bay PartnesUnion Square Ventures (USV)Unlock Venture Partners

Postmanpostman.comin𝕏

Postman is an API platform that helps developers build, test, and manage APIs throughout their lifecycle.

AI & Machine LearningCloud ComputingDeep TechDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Abhinav Asthana(Founder)inAnkit Sobti(Founder)inAbhijit Kane(Founder)in

Co-investorsBattery VenturesInsight PartnersNexus Venture Partners83NorthBond Capital ManagementCoatue Management+16 more

Publicpublic.comin𝕏

Public is a trading platform that allows users to buy and sell cryptocurrencies including Bitcoin, Ethereum, and memecoins through accounts managed by Zero Hash LLC, a New York State-licensed virtual currency business.

AI & Machine LearningCrypto & Web3FintechSaaSNew York, US

Jannick Malling(Founder)inLeif Abraham(Founder)in

Co-investorsAbbhi CapitalAccelAdvancit CapitalAglae VenturesCommonweal VenturesDreamers VC+20 more

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(Founder)inRyan Tseng(Founder)inAndrew Reiter(Founder)inKingsley Afemikhe(Executive Officer)inGary Steele(Chief Executive Officer)in

BoardKeith Dunleavy(Director)

Co-investors515 Ventures645 VenturesAdvaita CapitalAF WPartnersAlpha PartnersAndreessen Horowitz+47 more

Webflowwebflow.comin𝕏

Webflow is a visual content management system and web design platform that enables creative teams to build, design, and publish brand-forward websites without heavy reliance on developers.

Developer ToolsEnterprise SoftwareMarketing TechSaaSSan Francisco, US

Sergie Magdalin(Founder)inVlad Magdalin(Founder)inBryant Chou(Founder)inLinda Tong(Chief Executive Officer)inLinda Tong (CEO)(Founder)

Co-investorsAccelADQAmino CapitalArchetypeAstellaBanyan Ventures+36 more

Writer AIwriter.comin𝕏Nov 2024

Writer offers an enterprise AI platform where companies build and delegate work to AI agents that carry out tasks end-to-end using a company's own context, standards, and brand guidelines.

AI & Machine LearningEnterprise SoftwareMarketing TechSan Francisco, US

May Habib(Founder)inWaseem AlShikh(Founder)in

BoardWhitney Bouck(Director)Sandesh Patnam(Director)Robert Toews(Director)J Zachary Stein(Director)

Co-investorsAcrew CapitalAngel Collective Opportunity FundB Capital GroupB4 CapitalBalderton CapitalBlue Cloud Ventures+27 more

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Brigade Capital Management

Exits · 1

1 IPOs

SpaceXNASDAQ: SPCX

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Altra Venture made?
Altra Venture has 19 tracked investments, 1 of which have exited, including 1 dated in the last 24 months.
What stage does Altra Venture invest at?
Altra Venture invests at the Series B, Growth, Late Stage stages.
What is Altra Venture's typical check size?
Altra Venture typically writes checks of $500K – $25M.
What sectors does Altra Venture focus on?
Altra Venture focuses on AI & Machine Learning, Deep Tech, Defense Tech, Enterprise Software, SaaS, Sector Agnostic.
Where is Altra Venture located?
Altra Venture is headquartered in New York City, US.
Does Altra Venture lead rounds?
Altra Venture typically participates in rounds rather than leading them.
Who does Altra Venture co-invest with?
Altra Venture most often shares deals with Hustle Fund, Y Combinator, Homebrew, among 318 tracked co-investors.

Images

Altra Venture photo

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