/Investor DB

Fred Ehrsam — Full Portfolio

6 tracked investments · listed companies and verified rows first

Klyneklyne.aiin𝕏✓ verified

Klyne develops binding affinity models for molecular prediction and offers a low-cost virtual screening service aimed at hit discovery and hit-to-lead optimization projects in drug discovery labs.

AI & Machine LearningBiotechDeep Tech

Co-investorsFifty Years

Additiveadditive.aiinJan 2025acquired by Thomson Reuters

Additive provides a GenAI tool that extracts tax data from K-1, K-3, and related forms (including state forms, 199A, 926, and others), converting PDF tax packages into Excel workpapers or JSON via a web app, Excel add-in, or API.

AI & Machine LearningFintechSaaS

Venky Iyer(Founder)in

Co-investorsMantis CapitalACORN BIOVENTURESAM VenturesBreakthrough VictoriaElad GilImmad Akhund+2 more

Chai Discoverychaidiscovery.comAug 2025

Chai Discovery builds a computer-aided design suite using artificial intelligence to design new molecules and drugs.

AI & Machine LearningBiotechDeep TechSan Francisco, US

Joshua Meier(Founder)inJack Dent(Founder)inJosh Meier(CEO)Jacques Boitreaud(Founder)Jacques Boutreau(Founder)Joshua Meier Jack Dent(Founder)

Co-investorsAmplify PartnersAvenir Growth CapitalavraBain Capital VenturesBattery VenturesDCVC (Data Collective)+30 more

Neuralink-LogoArtboard-1neuralink.comJul 2021

Neurotechnology company developing implantable brain-computer interfaces for people with paralysis and vision loss.

BiotechFremont, US

ELON MUSK(Executive Officer)inBen Rapoport(Founder)Benjamin Rapoport(Founder)DJ Seo(Founder)Dongjin Seo(Founder)Elon Musk(Founder)

Co-investors1802 VenturesAdvaita CapitalAliya Capital PartnersAurum Venture PartnersBeyond CapitalCraft Ventures+37 more

Orchid Healthorchidhealth.comin𝕏May 2021

Orchid offers whole genome sequencing-based genetic screening of embryos during IVF as well as preconception testing for couples, analyzing DNA to identify predispositions to monogenic diseases, chromosomal abnormalities, and polygenic risks.

BiotechDigital HealthFemTechSan Francisco, US

Alexandra Meyer(President and Chief Executive Officer of Issuer)

BoardEmily Anhalt(Director of Issuer)

Co-investorsBalaji SrinivasanBlockchain CoinvestorsCarnrite VenturesEnsemble LabsHartmann CapitalPebblebed+2 more

The Interaction Company of Californiainteraction.coin𝕏Acquired

Interaction is building Poke.com.

Sector Agnostic

Marvin von Hagen(Founder)inFelix M. Schlegel(Founder)in

Co-investorsEarlybird Venture CapitalGeneral CatalystZ-FellowsBek VenturesCory LevyGeneral Atlantic+5 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.