RECENT FUNDING
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OpenAI Startup Fund portfolio

OpenAI Startup Fund has 15 portfolio companies on record at Recent Funding, with 2 investments in the last 12 months.

Website: openai.fund.
Type: Venture capital.
Portfolio on Recent Funding: 15.
Deals, last 12 months: 2.
Rounds led: 5 of 10.
Capital in their rounds: $479M.
Latest deal: Biossil · Sep 28, 2026.
About this page

It is a venture capital firm based in San Francisco, US, founded in 2022. It led 5 of the 10 rounds it joined. Its most recent investment on record is Biossil's $153M funding round in September 2026, which it led, alongside Panache Ventures, Golden Ventures, Duke University and 4 others. By category, its portfolio leans toward Health and bio (5) and AI agents (4). It has co-invested with Sequoia, Kleiner Perkins and Elad Gil, most often Sequoia (3 rounds).

About OpenAI Startup Fund

Firm type: Venture capital.
Headquarters: San Francisco, US.
Founded: 2022.
Stages: Seed, Series A.
Sectors: AI & Machine Learning, EdTech, Energy, Healthtech, LegalTech, Media & Entertainment, SaaS.
Check size: $1M.
Leads rounds: Yes.

What OpenAI Startup Fund invests in

OpenAI Startup Fund recent investments

CompanyRoundDateAlongside
BBiossilround · $153M · leadPanache Ventures, Golden Ventures, Duke University +4
AAdaptive SecuritySeries B+ · $81MCiti Ventures, Abstract Ventures, Andreessen Horowitz +3
RRed Queen BioSeed · $15M · leadnone named
VValthosSeed · $30M · leadnone named
HHarveySeries B+ · $59MCoatue, Kleiner Perkins, Victor Koch & Partners +5
EEndexSeed · $14M · leadnone named
HHarveySeries B+Coatue, Kleiner Perkins, Sequoia (lead) +4
SSpeakSeries B+ · $20MBuckley Ventures (lead), Khosla Ventures, Paul Graham +3

How OpenAI Startup Fund invests

StageDealsCapital in rounds
Series B+ 6 60%$267M
Seed 3 30%$59M
round 1 10%$153M
YearDealsCapital in rounds
2022 1 10%$27M
2023 1 10%$80M
2024 1 10%$20M
2025 6 60%$199M
2026 1 10%$153M

OpenAI Startup Fund portfolio companies

CompanyRound with OpenAI Startup FundTotal raisedLatest raise
BBiossil
Health and bio
 round · $153M · lead$156.7MSep 28, 2026
round
AAdaptive Security
AI agents
 Series B+ · $81M$124MDec 16, 2025
Series B+
RRed Queen Bio
Health and bio
 Seed · $15M · lead$15MDec 29, 2025
Seed
VValthos
Foundation models and research
 Seed · $30M · lead$30MOct 24, 2025
Seed
HHarvey
AI agents
 Series B+ · $59M$1.15BSep 21, 2026
Series B+
EEndex
AI agents
 Seed · $14M · lead$14MAug 6, 2025
Seed
SSpeak
Voice and audio AI
 Series B+ · $20M$141MMar 28, 2025
Series B+
KKick
Fintech
 backer · source$29MNov 2, 2025
Series A
UUnify
AI agents
 backer · source$52MJul 17, 2025
Series B+
CConversion AI
Sales and marketing
 backer · source$28MOct 7, 2025
Series A
11X
Robotics and hardware
 backer · sourceundisclosedJan 13, 2024
Series B+
DDescript
Voice and audio AI
 backer · source$100MOct 1, 2022
Series B+
MMem backer · source$30MNov 1, 2022
Series A
CChai Discovery
Health and bio
 backer · source$230MJul 14, 2026
round
AAmbience Healthcare
Health and bio
 backerundisclosedMay 14, 2026
Series B+

Most frequent co-investors

Similar investors

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.

Share is of the 10 rounds on Recent Funding that name OpenAI Startup Fund. 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 OpenAI Startup Fund, which is a subset of its real portfolio. API: /api/v1/investors/openai-startup-fund (get a free API key). More: the most active VC firms and new venture capital funds.