What does Refactor Capital invest in?
Refactor Capital invests most often at Seed and Series A (68% of the rounds on record), in sectors such as Transcriptomics, Medicines and Cell Therapy.

United States · Investor
Last cheque observed Feb 2026; 56 cheques on record.
Deploying nowNew fund $50M, May 2026VC firm
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3 cheques in the last 12 months
Mostly Seed and Series A: 68% of its rounds
Sole investor in 1 rounds, median $4.0M
Refactor is a seed-stage hard tech venture firm. Solo GP Zal Bilimoria writes $1-2M checks into founders building in aerospace, energy, bio, health, nuclear, defense, advanced manufacturing, and critical materials.From their own website
Every round we can evidence, newest first56 appearances
1 round
12 rounds
8 rounds
8 rounds
7 rounds
2 rounds
6 rounds
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
Named by the firm itself, on a filing, its Form ADV or its company registration3 named
We also hold 3 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
From the firm's own filings with the SEC, which it must file accurately by law
From their own portfolio page (on their website)
64-X BioAkasaAstranisAvailBerkeley YeastBiorenderCheckerspotClover HealthCurativeEnzymeFactoryFourFloodbaseGranza BioHeadspaceHexiumKipKnowdeLucyMacro OceansOnyx BioOpheliaParallel BioPathAIPicnic HealthPila EnergyRemedy ScientificSolugenThalo LabsAdventrisAtlasBlockfolioBrelleCausal LabsCoinbaseEpana BioGeneral GalacticHeroInferraLoyalMiistOctantOrchid HealthPhytoformPilgrimTBCTempestUniform TeethVital HealthVitra Labs
Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.
The investors most often in the same rounds as Refactor Capital. A count of rooms they were both in, not a relationship either has claimed.
The latest companies Refactor Capital put money into.
1 episode naming Refactor Capital in the title, and 2 more that mention it.

20VC: How a16z Uses NPS To Create Better Founder Experiences, Why Intellectual Curiosity Is The Most Important Investor Trait & Creating A Fund To Last Through The Ages with Zal Bilimoria, Founding Partner @ Refactor Capital
WithZal Bilimoria
MentionsRefactor CapitalGoogle

The Solo GP Playbook: Zal Bilimoria on Fundraising, Portfolio Strategy, and Founder Relationships

How Solugen is Saving the $5 Trillion Chemical Industry (Co-founders Gaurab Chakrabarti & Sean Hunt)
Refactor Capital invests most often at Seed and Series A (68% of the rounds on record), in sectors such as Transcriptomics, Medicines and Cell Therapy.
56 investments on record, 3 of them in the last 12 months, and it led 1. The most recent was in Feb 2026.
Its most recent investments on record: The Biological Computing (Seed, Feb 2026), Curative (Series B, Dec 2025) and Berkeley Yeast (Venture, Dec 2025).
The median round it joins is $10M. It says it writes cheques of $500K to $2.0M.
Sometimes: it led 1 of its 56 investments on record (2%).
Most of the companies it backs are in the United States (93%) and Canada (5%).
Yes: it is actively investing, with 3 investments in the last 12 months.
Most often Y Combinator (10 rounds together), BoxGroup (5 rounds together) and 500 Global (4 rounds together).
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it