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- Define Ventures
Define Ventures portfolio
Define Ventures has 7 portfolio companies on record at Recent Funding, with 3 investments in the last 12 months.
About this page
It is a venture capital firm based in San Francisco, US, founded in 2019. It led 4 of the 9 rounds it joined. Its most recent investment on record is Readily's $11M Series A round in October 2026, which it led, alongside Y Combinator. By category, its portfolio leans toward Health and bio (6) and Consumer and social (2). It has co-invested with Flare Capital Partners, Y Combinator and Polaris, most often Flare Capital Partners (3 rounds).
About Define Ventures
Funds raised
| Fund | Fund # | Size | Announced |
|---|---|---|---|
Bay Area | Ifirst fund | $87Mvia Shai Goldman's fund list |
What Define Ventures invests in
- Health and bio · 6 · 86%
- Consumer and social · 2 · 29%
- Legal and compliance · 1 · 14%
- Foundation models and research · 1 · 14%
- Developer tools and cloud · 1 · 14%
- Fintech · 1 · 14%
- Insurance · 1 · 14%
- HR and recruiting · 1 · 14%
Define Ventures recent investments
| Company | Round | Date | Alongside |
|---|---|---|---|
| Series A · $11M · lead | Y Combinator | ||
| Series A · $50M | Nvidia, South Park Commons, Lightspeed India Partners (lead) +2 | ||
| Series B+ · $25M · lead | Endeavour Ventures, Spider Capital, Y Combinator +5 | ||
| Series A · $20M · lead | Intermountain Ventures, Vanderbilt University, Exceptional Capital | ||
| Series B+ · $90M | Flare Capital Partners, Longitude Capital, Polaris +2 | ||
| Series B+ · $50M | Flare Capital Partners, Longitude Capital, Polaris +1 | ||
| Series B+ · $51M | Company Ventures, HarbourVest, Ingleside Investors +5 | ||
| Series B+ · $34M | Company Ventures, HarbourVest, Ingleside Investors +6 |
How Define Ventures invests
Define Ventures portfolio companies
RReadily$11MSeries A · Oct 2026
NNuance Labs$50MSeries A · Sep 2026
AArintra$25MSeries B+ · Aug 2026
FFoundation Health$20MSeries A · Oct 2025
CCohere Health$90MSeries B+ · May 2025
CCentivo$51MSeries B+ · Sep 2021
HHyrobacker
| Company | Round with Define Ventures | Total raised | Latest raise |
|---|---|---|---|
Legal and compliance |
Series A · $11M · lead | $11.5M | Oct 13, 2026 Series A |
Foundation models and research |
Series A · $50M | $60M | Sep 19, 2026 Series A |
Health and bio |
Series B+ · $25M · lead | $46.5M | Aug 26, 2026 Series B+ |
Health and bio |
Series A · $20M · lead | $26M | Oct 9, 2025 Series A |
Fintech |
Series B+ · $90M | $150M | May 17, 2026 Series B+ |
Insurance |
Series B+ · $51M | $194M | Sep 24, 2024 round |
AI agents |
backer | undisclosed | Dec 12, 2024 Series B+ |
Most frequent co-investors
FFlare Capital Partners3 shared rounds · last May 14, 2025
YY Combinator2 shared rounds · last Oct 13, 2026PPolaris2 shared rounds · last May 14, 2025
DDeerfield2 shared rounds · last May 14, 2025
LLongitude Capital2 shared rounds · last May 14, 2025
BBain Capital Ventures2 shared rounds · last Sep 22, 2021
MMaverick Ventures2 shared rounds · last Sep 22, 2021BB Capital2 shared rounds · last Sep 22, 2021
FF-Prime Capital2 shared rounds · last Sep 22, 2021
CCompany Ventures2 shared rounds · last Sep 22, 2021
IIngleside Investors2 shared rounds · last Sep 22, 2021
- HHarbourVest2 shared rounds · last Sep 22, 2021
Similar investors
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DDuquesne Family Office7 companies · 4 deals in 12 mo
IInnovestor7 companies · 4 deals in 12 mo
TTCG Crossover7 companies · 4 deals in 12 mo
UUniversity of Oxford7 companies · 4 deals in 12 mo
Investors whose portfolios on Recent Funding center on the same category (Health and bio).
How this is counted
Firm profile: Fundraising Fox Open Dataset v2026-11, CC BY 4.0. Track-record counts are theirs, not Recent Funding's.
Venture funds Define Ventures raised, from the list of new VC funds compiled by Shai Goldman (Brex). Each size links to the article that states it, or to that list where no article was found. All new funds: new VC funds.
Share is of the 9 rounds on Recent Funding that name Define Ventures. Rounds with no announced date are left out of the year split, and "round" is a round whose stage is not on file.
Portfolio companies are the companies on Recent Funding with a round that lists Define Ventures, which is a subset of its real portfolio. API: /api/v1/investors/define-ventures (get a free API key). More: the most active VC firms and new venture capital funds.
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