Primer Ventures — Full Portfolio
3 tracked investments · listed companies and verified rows first
Countable Labs (formerly Enumerix) develops Countable PCR, a DNA quantification technology that provides absolute target counts at single-molecule resolution as an alternative to qPCR, digital PCR, and NGS.
BiotechDeep TechHealthtechMedical DevicesPalo Alto, US
Stephen Fodor(Co-Founder & Board Director)Ari Chaney(Co-Founder & Board Director)inChristina Fan(Co-founder + CTO)inGiovanna Prout(Chief Executive Officer)in
Co-investorsF-Prime CapitalARCH Venture Partners
Miso operates a home services marketplace platform that connects customers with service providers for tasks including housekeeping and moving services.
AI & Machine LearningB2B MarketplacesConsumerFuture of WorkMarketplacesSaaSSeoul, KR
Victor Ching(Founder)inPavel Terentiev(Director)Martin Mrozowski(Founder)Nicholas O'Brien(Founder)Seun Oh(Founder)
Co-investorsY CombinatorAddventureFundersClubKnockout CapitalSazzeGV (Google Ventures)+5 more
TrueNorth operates a digital loadboard and AI-powered freight matching platform that connects brokers with vetted carriers.
AI & Machine LearningEnterprise SoftwareFintechLogistics & Supply ChainSaaSSan Francisco, US
Sanjaya Wijeratne(Founder)inJin Stedge(Founder)in
Co-investorsPJCScribble VenturesY Combinator137 Ventures20VCFifth Down Capital+15 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.

















