/Investor DB

HF0 — Full Portfolio

14 tracked investments · listed companies and verified rows first

Engramengram.co✓ verified

Engram Biosciences is an applied neurobiology research lab that builds tools and models to aggregate human brain data at scale, operating a 10,000 sq ft automated lab.

AI & Machine LearningBiotechDeep Tech

Co-investorsBoxGroupCharlie SonghurstLong Journey VenturesSV AngelValor Equity PartnersNew Era Ventures ApS

Markopolo AImarkopolo.aiin𝕏✓ verified

Markopolo is an AI-powered marketing platform for consumer brands that predicts customer behavior and autonomously triggers interventions, with an "Agentic Commerce" system that assigns each customer an AI agent.

AI & Machine LearningDirect to ConsumerE-commerceMarketing Tech

Ru(Cofounder)Tas(Cofounder)

Co-investorsDekko ISHO Venture CapitalJoa CapitalStartup BangladeshTranspose Platform Management

Neuralmachineneuralmachine.com✓ verified

Neural Machine develops technology to connect humans and machines, aiming to create a new form of "human computing" that extends the human mind.

AI & Machine LearningDeep TechHardware

Co-investorsSignalFireEvolution VC PartnersSHORV1 VC

The Networkthenetwork.com✓ verified

The Network is building infrastructure for human connection, developing new ways to discover and understand people.

AI & Machine LearningSocialSan Francisco, US

Andres Kupervaser-GouldinTomas CerdeirainPedro Sotomayorin

Co-investorsBedrockScript CapitalShrug Capital

Thetopvoicesthetopvoices.comin✓ verified

Stake is a digital real estate investment platform that enables global property ownership by providing access to curated real estate funds and fractional ownership opportunities.

AI & Machine LearningB2B MarketplacesDeveloper ToolsFintechMedia & EntertainmentMobility & TransportationPropTechSaaSDubai, AE

Vytis Šliažas(CEO and co-founder)Manar Mahmassani(Co-Founder and Co-CEO)Rami Tabbara(Co-Founder and Co-CEO)

Co-investors359 Capital645 VenturesCarya Venture PartnersEmirates NBDSuperhero CapitalWa'ed Ventures+1 more

Aquariaaquaria.worldin𝕏Nov 2024 · $112M

Aquaria develops atmospheric water generation technology that harvests drinking water from the air.

CleantechClimate TechHardware

Co-investorsEvolution VenturesSoma CapitalTranspose Platform ManagementBow CapitalMistletoeUmami Capital

Catalyx Spacecatalyx.spacein𝕏

Catalyx builds standardized infrastructure for deploying sensor payloads into orbit, offering common power, thermal, and data interfaces along with continuous monitoring and real-time data transmission.

Deep TechHardwareIoTSpace TechSan Francisco, US

Rifath Shaarook(Founder)inRifath Shaarook Saqib Hussain(Founder)

Co-investorsArka Venture LabsPrana Tech VenturesNivesha VenturesOutlander VCTogether FundTranspose Platform Management+5 more

Clerk Chatclerk.chatin𝕏Oct 2024 · $7M

Clerk Chat is a business messaging platform that adds AI to telecommunication, letting companies send and receive text messages (including RCS and messaging within Microsoft Teams, Webex, and Zoom) for sales, support, and marketing.

AI & Machine LearningEnterprise SoftwareFuture of WorkMarketing TechSaaSSales TechSan Francisco, US

Alexander Haque(Founder)inStella Fulman(Co-Founder)Will Chertoff(Founder)inIgor Boshoer(Founder)

Co-investorsMento vcSoma CapitalTranspose Platform ManagementAltaIR CapitalRace Capital

Ephemeralephemeral.tattooJul 2026 · $4.5M

Ephemeral develops biodegradable tattoo ink designed to fade over time, offering a non-permanent alternative to traditional tattoos without laser removal.

BiotechConsumerNew MaterialsBrooklyn, US

Co-investorsCanaan PartnersFlucas VenturesGaingelsAbstract VenturesEmbassy VenturesMax Ventures+2 more

Final Round AIfinalroundai.comin𝕏Jan 2025 · $6.9M

Final Round AI provides AI tools for interview preparation, including mock interviews, real-time interview assistance, resume building, and LinkedIn optimization.

AI & Machine LearningFuture of WorkHR TechSaaSSan Francisco, US

Jay Ma(Founder)Michael Guan(Founder)

Co-investorsAlumni VenturesBasecamp FundLevel One FundLinear CapitalMento vcRitual Capital+7 more

Fyxerfyxer.comin𝕏

Fyxer is an email productivity tool that integrates with Gmail and Outlook to help teams manage communications and reduce time spent in email.

AI & Machine LearningEnterprise SoftwareFuture of WorkSaaS

Archie Hollingsworth(Founder)Matt Ffrench(Founder)Matthew Ffrench(Founder)Richard Hollingsworth(Founder)

Co-investors20VCCompanion M Gmb HForewordMadrona Venture GroupTenacity Capital GlobalTranspose Platform Management+2 more

Hamilton AIhamilton.ai

Hamilton AI provides an autonomous platform for private aviation operators that ingests data from interactions across email, calls, meetings, and product use to surface business-relevant insights and automation tailored to the aviation business model.

AI & Machine LearningEnterprise SoftwareSaaSTravel & Hospitality

Wouter Witvoet(Founder)in

Co-investorsBling CapitalCorrelation VenturesCambrian VenturesFJ LabsTTV CapitalWEEKEND

Tenkaratenkara.aiin𝕏Mar 2026 · $7M

Tenkara provides operations management software for manufacturers, offering visibility and automation for supplier coordination, freight management, pricing, ERP data, and compliance documentation.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareSaaS

Ben Stern(CEO)inBenjamin Stern(Founder)

Co-investorsTrue VenturesNight CapitalScribble VenturesSF1WndrCo

Other

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

Voice AI

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.