# OpenAI Startup Fund: portfolio, investments and team

> OpenAI Startup Fund is a vc firm based in United States. 7 investments on record, 2 in the last 12 months, latest Oct 2026.

Source: https://millionrounds.com/fund/openai-startup-fund (Millionrounds; every figure on the page links to its filing or article)

United States · [Investor](https://millionrounds.com/investors)

# OpenAI Startup Fund

Last cheque observed Oct 2026; 7 cheques on record.

Email

VC firm Deploying now

Seed Series A Series B AI

Follow OpenAI Startup Fund and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fopenai-startup-fund)

Deploying now

**40%** of best year **2** **cheques in 12 months**, 7 on record

Since the last cheque **13** days **00** hrs **00** min **00** sec

Median round **$78M** Rounds led **3 of 7** Mostly in **United States, 86%**

Pitch OpenAI Startup Fund

## OpenAI Startup Fund highlights

- 01 2 cheques in the last 12 months
- 02 Mostly Series A and Series C: 57% of its rounds
- 03 Led 3 rounds

## What they do

> Investing in startups with big ideas about AI. From their own website

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** Not stated
- **Stages:** Seed Series A Series B
- **Sectors:** AI
- **Based in:** San Francisco, United States
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **7 appearances**

- **2026** 2 rounds
- **Oct** **[Coherence Neuro](https://millionrounds.com/company/coherence-neuro)** Series A · US · Google News search **$45M** *Led*
- **Sept** **[Biossil](https://millionrounds.com/company/biossil)** Series B · CA · BetaKit **$153M** *Led*
- **2025** 3 rounds
- **Aug** **[Endex.ai](https://millionrounds.com/company/endex-ai)** Venture · US · TechStartups **$14M** *Led*
- **Jul** **[Ambience Healthcare](https://millionrounds.com/company/ambience-healthcare)** Series C · US · TechStartups **$243M** With 11 others
- **Jun** **[Harvey AI](https://millionrounds.com/company/harvey-ai)** Series E · US · TechCrunch **$300M** With 5 others
- **2024** 2 rounds
- **Dec** **[Speak](https://millionrounds.com/company/speak)** Series C · US · Crunchbase News **$78M** With 5 others
- **Oct** **[Unify](https://millionrounds.com/company/unify)** Series A · US · TechCrunch **$12M** With 6 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 **1 named**

IC **Ian Clay Reid Hathaway** Manager of Openai Startup Fund Management, LLC i Form ADV

We also hold **1** person 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.

## What the register says

From the firm's own filings with the SEC, which it must file accurately by law

**$4.8B** gross assets of its funds Oct 2026

**Exempt** reporting adviser venture or small private funds

- **Legal name:** Openai Startup Fund Management, LLC
- **SEC number:** CRD 318221

## The cheque

Seed Series A Series B

Median round joined **$78M** the round, not its cheque

Led 3 of 7 rounds **43%**

- **Sole investor:** Never alone
- **Last cheque:** Oct 2026

Rounds by stage said on their site

- Series A said *2*
- Series C *2*
- Series B said *1*
- Series E *1*
- Venture *1*
- Seed said *-*

Cheques by month Led Joined

Dec 2023 Nov 2026

Often in the room with

- [Founders Fund](https://millionrounds.com/fund/founders-fund) 3
- [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) 2

**Pitching OpenAI Startup Fund?** 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 Startup Fund. A count of rooms they were both in, not a relationship either has claimed.

[**Founders Fund** VC firm **3** rounds together](https://millionrounds.com/fund/founders-fund)[**Kleiner Perkins** VC firm **2** rounds together](https://millionrounds.com/fund/kleiner-perkins)

## Recently backed

The latest companies OpenAI Startup Fund put money into.

[**Coherence Neuro** $45M · Oct 2026](https://millionrounds.com/company/coherence-neuro)[**Biossil** $153M · Sept 2026](https://millionrounds.com/company/biossil)[**Ambience Healthcare** $243M · Jul 2025](https://millionrounds.com/company/ambience-healthcare)[**Speak** $78M · Dec 2024](https://millionrounds.com/company/speak)[**Unify** $12M · Oct 2024](https://millionrounds.com/company/unify)

## Mentioned on podcasts

Episodes that name OpenAI Startup Fund in their description, not their title.

- [Sourcery](https://millionrounds.com/podcasts/sourcery) 18 Jun 2026 · 45 min Harvey Co-Founder Gabe Pereyra on the Token Pricing Reckoning Coming for AI Mentions [Coatue](https://millionrounds.com/fund/coatue-management)[Elad Gil](https://millionrounds.com/fund/elad-gil)[Google](https://millionrounds.com/fund/google-assistant-investments) *+2* Apple PodcastsShow page
- [Uncapped](https://millionrounds.com/podcasts/uncapped) 1 Apr 2026 · 50 min Uncapped #46 | Brad Lightcap from OpenAI With [Brad Lightcap](https://millionrounds.com/person/brad-lightcap) Mentions [OpenAI Startup Fund](https://millionrounds.com/fund/openai-startup-fund)[Y Combinator](https://millionrounds.com/fund/y-combinator)[Y Combinator Continuity](https://millionrounds.com/fund/y-combinator-continuity) Apple PodcastsShow page
- [Prime Venture Partners Podcast](https://millionrounds.com/podcasts/prime-venture-partners) 10 Jun 2025 · 35 min This Startup Doesn’t Just Use AI, It’s Run by AI | Xiaoyin Qu Mentions [OpenAI Startup Fund](https://millionrounds.com/fund/openai-startup-fund) Apple PodcastsShow page
- [Generative Now](https://millionrounds.com/podcasts/generative-now) 17 Oct 2024 · 40 min Andrew Mason: Craft and Control in AI Content Creation with Descript With [Andrew Mason](https://millionrounds.com/person/andrew-mason) Mentions [OpenAI Startup Fund](https://millionrounds.com/fund/openai-startup-fund) Apple PodcastsShow page

## Quick answers about OpenAI Startup Fund

### What does OpenAI Startup Fund invest in?

OpenAI Startup Fund invests most often at Series A and Series C (57% of the rounds on record), in sectors such as AI.

### How active is OpenAI Startup Fund?

7 investments on record, 2 of them in the last 12 months, and it led 3. The most recent was in Oct 2026.

### What has OpenAI Startup Fund invested in recently?

Its most recent investments on record: Coherence Neuro (Series A, Oct 2026), Biossil (Series B, Sept 2026) and Endex.ai (Venture, Aug 2025).

### How big are OpenAI Startup Fund's cheques?

The median round it joins is $78M.

### Does OpenAI Startup Fund lead rounds?

Yes: it led 3 of its 7 investments on record (43%).

### Where does OpenAI Startup Fund invest?

Most of the companies it backs are in the United States (86%) and Canada (14%).

### Is OpenAI Startup Fund investing now?

Yes: it is actively investing, with 2 investments in the last 12 months.

### Who does OpenAI Startup Fund invest alongside?

Most often Founders Fund (3 rounds together) and Kleiner Perkins (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. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=openai-startup-fund) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=openai-startup-fund)