# OpenAI: portfolio, investments and team > OpenAI is a vc firm based in United States. 10 investments on record, 4 in the last 12 months, latest Oct 2026. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/openai (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # OpenAI Last cheque observed Oct 2026; 10 cheques on record. Email Deploying now New fund $400M, Aug 2026 VC firm Seed Series B Series A Artificial Intelligence Electronics Hardware Follow OpenAI and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fopenai) Deploying now **80%** of best year **4** **cheques in 12 months**, 10 on record Since the last cheque **11** days **00** hrs **00** min **00** sec Median round **$37M** Rounds led **2 of 10** Mostly in **United States, 100%** Pitch OpenAI ## OpenAI highlights - 01 4 cheques in the last 12 months - 02 Mostly Seed and Series B: 78% of its rounds - 03 Led 2 rounds ## What they do - **Type:** VC firm (from a list, unverified) - **Cheque size:** Not stated - **Sectors:** Artificial Intelligence Electronics Hardware - **Based in:** San Francisco, United States - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **10 appearances** - **2026** 3 rounds - **Oct** **[Pennant](https://millionrounds.com/company/pennant)** Seed · US · Fintech Global **$5.0M** With 6 others - **Jun** **[Acceler8](https://millionrounds.com/company/acceler8)** Seed · US · Monte Carlo Capital **$6.0M** With 9 others - **Mar** **[Red Queen Bio](https://millionrounds.com/company/red-queen-bio)** Seed · US · Crunchbase News **$15M** *Led* - **2025** 4 rounds - **Dec** **[Chai Discovery](https://millionrounds.com/company/chai-discovery)** Series B · US · TechCrunch **$130M** With 11 others - **Oct** **[Valthos](https://millionrounds.com/company/valthos)** Seed · US · TechStartups **$30M** With 2 others - **Jun** **[Amperos Health](https://millionrounds.com/company/amperos-health)** Seed · US · AlleyWatch **$4.2M** With 5 others - **Apr** **[Adaptive Security](https://millionrounds.com/company/adaptive-security)** Series A · US · TechCrunch **$43M** *Led* - **2024** 3 rounds - **Dec** **[Speak](https://millionrounds.com/company/speak)** Series C · US · Crunchbase News **$78M** With 5 others - **Nov** **[Physical Intelligence](https://millionrounds.com/company/physical-intelligence)** US · Crunchbase News **$400M** With 6 others - **Mar** **[Figure AI](https://millionrounds.com/company/figure-ai)** Series B · US · Firms' own news pages **$675M** With 7 others 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. ## The team Named by the firm itself, on a filing, its Form ADV or its company registration **4 named** BW **Bobby Wu** Managing Member of the General Partner i Filing they signed CC **Christopher Charles DeLap** Executive Officer i Filing they signed IH **Ian Hathaway** Manager of the Managing Member of the General Partner i Filing they signed SA **Sam Altman** Manager of the General Partner i Filing they signed We also hold **23** 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. New fund on file **$400M** raised in Aug 2026 From its SEC filing, not a journalist: a firm that has just raised has money to deploy. ## The cheque Seed Series B Series A Median round joined **$37M** the round, not its cheque Led 2 of 10 rounds **20%** - **Sole investor:** Never alone - **Last cheque:** Oct 2026 Rounds by stage said on their site - Seed *5* - Series B *2* - Series A *1* - Series C *1* Cheques by month Led Joined Dec 2023 Nov 2026 Often in the room with - [Founders Fund](https://millionrounds.com/fund/founders-fund) 2 - [Jeff Bezos](https://millionrounds.com/fund/jeff-bezos) 2 - [Lux Capital](https://millionrounds.com/fund/lux-capital) 2 - [NVIDIA](https://millionrounds.com/fund/nvidia) 2 - [Neo](https://millionrounds.com/fund/neo) 2 - [Y Combinator](https://millionrounds.com/fund/y-combinator) 2 **Pitching OpenAI?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Who they invest alongside The investors most often in the same rounds as OpenAI. A count of rooms they were both in, not a relationship either has claimed. [**Founders Fund** VC firm **2** rounds together](https://millionrounds.com/fund/founders-fund)[**Jeff Bezos** Angel **2** rounds together](https://millionrounds.com/fund/jeff-bezos)[**Lux Capital** VC firm **2** rounds together](https://millionrounds.com/fund/lux-capital)[**NVIDIA** Company **2** rounds together](https://millionrounds.com/fund/nvidia)[**Neo** Accelerator **2** rounds together](https://millionrounds.com/fund/neo)[**Y Combinator** Accelerator **2** rounds together](https://millionrounds.com/fund/y-combinator) ## Recently backed The latest companies OpenAI put money into. [**Acceler8** $6.0M · Jun 2026](https://millionrounds.com/company/acceler8)[**Red Queen Bio** $15M · Mar 2026](https://millionrounds.com/company/red-queen-bio)[**Chai Discovery** $130M · Dec 2025](https://millionrounds.com/company/chai-discovery)[**Valthos** $30M · Oct 2025](https://millionrounds.com/company/valthos)[**Adaptive Security** $43M · Apr 2025](https://millionrounds.com/company/adaptive-security)[**Speak** $78M · Dec 2024](https://millionrounds.com/company/speak) ## Quick answers about OpenAI ### What does OpenAI invest in? OpenAI invests most often at Seed and Series B (78% of the rounds on record), in sectors such as Artificial Intelligence, Electronics and Hardware. ### How active is OpenAI? 10 investments on record, 4 of them in the last 12 months, and it led 2. The most recent was in Oct 2026. ### What has OpenAI invested in recently? Its most recent investments on record: Pennant (Seed, Oct 2026), Acceler8 (Seed, Jun 2026) and Red Queen Bio (Seed, Mar 2026). ### How big are OpenAI's cheques? The median round it joins is $37M. ### Does OpenAI lead rounds? Yes: it led 2 of its 10 investments on record (20%). ### Where does OpenAI invest? Most of the companies it backs are in the United States (100%). ### Is OpenAI investing now? Yes: it is actively investing, with 4 investments in the last 12 months. ### Who does OpenAI invest alongside? Most often Founders Fund (2 rounds together), Jeff Bezos (2 rounds together) and Lux Capital (2 rounds together). ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. 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