# OpenAI funding: rounds and investors

> OpenAI has raised $230B across 11 rounds since 2019. Investors include SoftBank BB Corp, Coatue and Andreessen Horowitz. Every round with its source.

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

United States · [Funded startup](https://millionrounds.com/companies)

# Who invested in *OpenAI*

11 rounds we have observed, with the 35 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI Big Data & Analytics Cloud Construction

Raised this month Valuation: $840B, Mar 2026

Follow OpenAI and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fopenai)

Funding summary Updated 5 Nov 2026

**$230B** raised across 11 rounds since 2019, from 67 sources

**$110B** Growth

- **Latest round:** Round, $20B Oct 2026
- **Led by:** United Arab Emirates investors
- **Biggest round:** $110B Growth · Mar 2026
- **Step-up i:** 266.7×
- **Investors:** 35 (17 led)

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2020 2021 2022 2023 2024 2025 2026

**$1.0B** Round

**$10M** Round

**$40B** Growth

**$8.3B** Round

**$3.0B** Round

**$75M** Venture

**$20B** Round

**$11B** Round

- **First round:** Round, $1.0B
- **Biggest round:** $110B
- **Usual gap between rounds:** 4 months

## The rounds

- **Oct 2026** Round **$20B** *1 new* *6 returning* [United Arab Emirates investors](https://millionrounds.com/fund/united-arab-emirates-investors) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Coatue](https://millionrounds.com/fund/coatue-management) [SoftBank BB Corp](https://millionrounds.com/fund/softbank) [MGX](https://millionrounds.com/fund/mgx) Reported by Wowtale and 7 others
- **Oct 2026** Round **$11B** *1 new* *6 returning* [Coatue](https://millionrounds.com/fund/coatue-management) Lead [UAE investor group](https://millionrounds.com/fund/uae-investor-group) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Founders Fund](https://millionrounds.com/fund/founders-fund) [SoftBank BB Corp](https://millionrounds.com/fund/softbank) [MGX](https://millionrounds.com/fund/mgx) Reported by Business Upturn and 7 others
- **Apr 2026** Venture **$75M** *1 new* *4 returning* [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [NVIDIA](https://millionrounds.com/fund/nvidia) [Thrive Capital](https://millionrounds.com/fund/thrive-capital-2) [TPG](https://millionrounds.com/fund/tpg) Source recorded
- **Mar 2026** Growth **$110B** *4 new* *9 returning* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) Lead [NVIDIA](https://millionrounds.com/fund/nvidia) Lead [TPG](https://millionrounds.com/fund/tpg) Lead [SoftBank BB Corp](https://millionrounds.com/fund/softbank) Lead [T. Rowe Price](https://millionrounds.com/fund/t-rowe-price) Lead [Amazon](https://millionrounds.com/fund/amazon) Lead [MGX](https://millionrounds.com/fund/mgx) Lead [D. E. Shaw Ventures](https://millionrounds.com/fund/d-e-shaw-ventures) Lead [SoftBank's Vision Fund](https://millionrounds.com/fund/softbank-s-vision-fund) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Microsoft](https://millionrounds.com/fund/microsoft) [Thrive Capital](https://millionrounds.com/fund/thrive-capital) Reported by Crunchbase News and 11 others SEC filing: $3.0M sold
- **Jan 2026** Growth **$30B** *4 new* *4 returning* [Coatue](https://millionrounds.com/fund/coatue-management) Lead [SoftBank BB Corp](https://millionrounds.com/fund/softbank) Lead [Investors from the UAE](https://millionrounds.com/fund/investors-from-the-uae) Lead [UAE investors](https://millionrounds.com/fund/uae-investors) Lead [BlackRock](https://millionrounds.com/fund/blackrock) [NVIDIA](https://millionrounds.com/fund/nvidia) [MGX](https://millionrounds.com/fund/mgx) [inversores de Emiratos Árabes Unidos](https://millionrounds.com/fund/inversores-de-emiratos-arabes-unidos) Reported by Crypto Briefing and 12 others
- **Nov 2025** Round **$3.0B** *1 new* [Blue Owl Capital](https://millionrounds.com/fund/blue-owl-capital) Lead Reported by TechStartups
- **Oct 2025** Round **$6.6B** No investor was named in the report. Reported by Crunchbase News
- **Aug 2025** Round **$8.3B** *8 new* *5 returning* [Dragoneer Investment](https://millionrounds.com/fund/dragoneer-investment-group) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) [Coatue](https://millionrounds.com/fund/coatue-management) [Fidelity](https://millionrounds.com/fund/fidelity) [TPG](https://millionrounds.com/fund/tpg) [T. Rowe Price](https://millionrounds.com/fund/t-rowe-price) [Thrive Capital](https://millionrounds.com/fund/thrive-capital) [Blackstone Group](https://millionrounds.com/fund/blackstone-group) [Altimeter](https://millionrounds.com/fund/altimeter-capital) [D1 Capital Partners](https://millionrounds.com/fund/d1-capital-partners) Reported by TechCrunch and 3 others
- **Feb 2025** Growth **$40B** *3 new* *4 returning* [SoftBank BB Corp](https://millionrounds.com/fund/softbank) Lead [Founders Fund](https://millionrounds.com/fund/founders-fund) [Coatue](https://millionrounds.com/fund/coatue-management) [Microsoft](https://millionrounds.com/fund/microsoft) [Thrive Capital](https://millionrounds.com/fund/thrive-capital) [Altimeter](https://millionrounds.com/fund/altimeter-capital) [Magnetar Capital](https://millionrounds.com/fund/magnetar-capital) Reported by Crunchbase News and 8 others
- **Oct 2024** Round **$10M** *11 new* *1 returning* [Thrive Capital](https://millionrounds.com/fund/thrive-capital) Lead [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Fidelity](https://millionrounds.com/fund/fidelity) [NVIDIA](https://millionrounds.com/fund/nvidia) [SoftBank BB Corp](https://millionrounds.com/fund/softbank) [JP Morgan Chase](https://millionrounds.com/fund/j-p-morgan-chase) [Santander](https://millionrounds.com/fund/santander) [Wells Fargo](https://millionrounds.com/fund/wells-fargo-bank-office) [Microsoft](https://millionrounds.com/fund/microsoft) [Altimeter](https://millionrounds.com/fund/altimeter-capital) [MGX](https://millionrounds.com/fund/mgx) [Boman Group](https://millionrounds.com/fund/boman-group) Reported by Crunchbase News and 8 others
- **Jul 2019** Round **$1.0B** *1 new* [Microsoft](https://millionrounds.com/fund/microsoft) Reported by FinSMEs

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Round** 2025 **Round** 2025 **Round** 2025 **Growth** 2026 **Growth** 2026 **Venture** 2026 **Round** 2026 **Round** 2026 [SoftBank BB Corp](https://millionrounds.com/fund/softbank) L L [Coatue](https://millionrounds.com/fund/coatue-management) L L [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) L [MGX](https://millionrounds.com/fund/mgx) L [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [NVIDIA](https://millionrounds.com/fund/nvidia) L [Thrive Capital](https://millionrounds.com/fund/thrive-capital) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Microsoft](https://millionrounds.com/fund/microsoft) [TPG](https://millionrounds.com/fund/tpg) L

## Everyone who backed them

[SoftBank BB Corp](https://millionrounds.com/fund/softbank) Corporate VC **6** rounds, led 3

[Coatue](https://millionrounds.com/fund/coatue-management) VC firm **5** rounds, led 2

[Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **5** rounds, led 1

[MGX](https://millionrounds.com/fund/mgx) Growth equity **5** rounds, led 1

[Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) VC firm **5** rounds

[NVIDIA](https://millionrounds.com/fund/nvidia) Company **4** rounds, led 1

[Thrive Capital](https://millionrounds.com/fund/thrive-capital) Accelerator **4** rounds, led 1

[Founders Fund](https://millionrounds.com/fund/founders-fund) VC firm **4** rounds

[Microsoft](https://millionrounds.com/fund/microsoft) Corporate VC **4** rounds

[TPG](https://millionrounds.com/fund/tpg) Private equity **3** rounds, led 1

[Altimeter](https://millionrounds.com/fund/altimeter-capital) VC firm **3** rounds

[T. Rowe Price](https://millionrounds.com/fund/t-rowe-price) Private equity **2** rounds, led 1

[Fidelity](https://millionrounds.com/fund/fidelity) VC firm **2** rounds

[Amazon](https://millionrounds.com/fund/amazon) Company **1** round, led 1

[Dragoneer Investment](https://millionrounds.com/fund/dragoneer-investment-group) Private equity **1** round, led 1

[D. E. Shaw Ventures](https://millionrounds.com/fund/d-e-shaw-ventures) Growth equity **1** round, led 1

[Blue Owl Capital](https://millionrounds.com/fund/blue-owl-capital) Private equity **1** round, led 1

[SoftBank's Vision Fund](https://millionrounds.com/fund/softbank-s-vision-fund) Investment firm **1** round, led 1

[Investors from the UAE](https://millionrounds.com/fund/investors-from-the-uae) Growth equity **1** round, led 1

[UAE investor group](https://millionrounds.com/fund/uae-investor-group) Investment firm **1** round, led 1

[UAE investors](https://millionrounds.com/fund/uae-investors) Growth equity **1** round, led 1

[United Arab Emirates investors](https://millionrounds.com/fund/united-arab-emirates-investors) Investment firm **1** round, led 1

[Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **1** round

[Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) VC firm **1** round

[Insight Partners](https://millionrounds.com/fund/insight-venture-partners) VC firm **1** round

[BlackRock](https://millionrounds.com/fund/blackrock) Asset manager **1** round

[Thrive Capital](https://millionrounds.com/fund/thrive-capital-2) Family office **1** round

[JP Morgan Chase](https://millionrounds.com/fund/j-p-morgan-chase) Corporate VC **1** round

[Santander](https://millionrounds.com/fund/santander) VC firm **1** round

[Wells Fargo](https://millionrounds.com/fund/wells-fargo-bank-office) Corporate VC **1** round

[Blackstone Group](https://millionrounds.com/fund/blackstone-group) Private equity **1** round

[D1 Capital Partners](https://millionrounds.com/fund/d1-capital-partners) Hedge fund **1** round

[Magnetar Capital](https://millionrounds.com/fund/magnetar-capital) Hedge fund **1** round

[Boman Group](https://millionrounds.com/fund/boman-group) Investment firm **1** round

[inversores de Emiratos Árabes Unidos](https://millionrounds.com/fund/inversores-de-emiratos-arabes-unidos) Growth equity **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=openai).

## Also claim to have backed them

These 40 firms list OpenAI as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Soma Capital](https://millionrounds.com/fund/soma-capital) VC firm Per its own site

[Madrona Venture Group](https://millionrounds.com/fund/madrona) VC firm Per its own site

[Tribe Capital](https://millionrounds.com/fund/tribe-capital) VC firm Per its own site

[K5 Global](https://millionrounds.com/fund/k5-global) Private equity Per its own site

[Iconiq Capital](https://millionrounds.com/fund/iconiq-capital-3) Growth equity Per its own site

[Alpha Wave Global](https://millionrounds.com/fund/alpha-wave-global) Private equity Per its own site

[Advent International](https://millionrounds.com/fund/advent-international) Private equity Per its own site

[ICONIQ Capital](https://millionrounds.com/fund/iconiq-capital) Family office Per its own site

[Glynn Capital Management](https://millionrounds.com/fund/glynn-capital) VC firm Per its own site

[SGH CAPITAL](https://millionrounds.com/fund/sgh-capital) VC firm Per its own site

[A.Capital Ventures](https://millionrounds.com/fund/a-capital-ventures) VC firm Per its own site

[Rosecliff Ventures](https://millionrounds.com/fund/rosecliff) VC firm Per its own site

[Scooter Braun](https://millionrounds.com/fund/scooter-braun) Angel Per its own site

[Bright Pixel](https://millionrounds.com/fund/bright-pixel-capital) Corporate VC Per its own site

[Eastlink Capital](https://millionrounds.com/fund/eastlink-capital) VC firm Per its own site

[ANTI FUND](https://millionrounds.com/fund/anti-fund) VC firm Per its own site

[Greg Brockman](https://millionrounds.com/fund/greg-brockman) Investment firm Per its own site

[Litquidity Ventures](https://millionrounds.com/fund/litquidity-ventures) VC firm Per its own site

[Blake Byers](https://millionrounds.com/fund/blake-byers) Angel Per its own site

[Alpha Funds](https://millionrounds.com/fund/alpha-funds) VC firm Per its own site

[Byers Capital](https://millionrounds.com/fund/byers-capital) Family office Per its own site

[Sonae IM](https://millionrounds.com/fund/sonae-im) Corporate VC Per its own site

[Bain Capital Private Equity](https://millionrounds.com/fund/bain-capital-private-equity) Private equity Per its own site

[Firestreak Ventures](https://millionrounds.com/fund/firestreak-ventures) VC firm Per its own site

[Galdana Ventures](https://millionrounds.com/fund/galdana-ventures) Fund of funds Per its own site

[K3 Ventures](https://millionrounds.com/fund/k3-ventures) VC firm Per its own site

[Pittco Management](https://millionrounds.com/fund/pittco-management) Family office Per its own site

[SparkLabs Group](https://millionrounds.com/fund/sparklabs-group) VC firm Per its own site

[Tareyton Ventures](https://millionrounds.com/fund/tareyton-ventures) VC firm Per its own site

[Thomas Dimson](https://millionrounds.com/fund/thomas-dimson) Growth equity Per its own site

[Valkyrie](https://millionrounds.com/fund/valkyrie-2) VC firm Per its own site

[A'Z Angels](https://millionrounds.com/fund/a-z-angels) VC firm Per its own site

[AAL VC](https://millionrounds.com/fund/aal-vc) VC firm Per its own site

[AI Grant](https://millionrounds.com/fund/ai-grant) Accelerator Per its own site

[Abhay](https://millionrounds.com/fund/abhay) Angel network Per its own site

[Acquinox Capital](https://millionrounds.com/fund/acquinox-capital) Private equity Per its own site

[Allatus](https://millionrounds.com/fund/allatus) Accelerator Per its own site

[Archangel Fund](https://millionrounds.com/fund/archangel-fund) VC firm Per its own site

[Arctic Ventures](https://millionrounds.com/fund/arctic-ventures-2) VC firm Per its own site

[Ataraxia Capital](https://millionrounds.com/fund/ataraxia-capital) VC firm Per its own site

## Quick answers about OpenAI

### Who invested in OpenAI?

OpenAI's investors include SoftBank BB Corp, Coatue, Andreessen Horowitz, MGX and Sequoia Capital, and 30 more on record. Coatue led its latest round.

### How much has OpenAI raised?

OpenAI has raised $230B across 11 rounds since 2019.

### When did OpenAI last raise?

OpenAI's most recent round was an Undisclosed round of $11B in Oct 2026, led by Coatue.

### What was OpenAI's biggest round?

OpenAI's largest round on record is $110B (Growth), in Mar 2026, led by Andreessen Horowitz.

### Who backed OpenAI first?

OpenAI's first round on record, in Jul 2019, was backed by Microsoft.

### What stage is OpenAI at?

OpenAI's latest named round is an Undisclosed round, in Oct 2026.

### Where is OpenAI based?

OpenAI is based in the United States.

### Who led OpenAI's rounds?

Blue Owl Capital led the Undisclosed round in 2025; Coatue led the Growth in 2026; Andreessen Horowitz led the Growth in 2026; United Arab Emirates investors led the Undisclosed round in 2026.

## Companies like OpenAI

In the same sector, and raised in the last eighteen months.

[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava)

## Books about them

- Empire of AI: Dreams and Nightmares in Sam Altman's OpenAI Karen Hao · 2025 4.02 from 15,740 ratings on Goodreads About the book From a brilliant longtime AI insider with intimate access to the world of Sam Altman's OpenAI from the beginning, an eye-opening account of arguably the most fateful tech arms race in history, reshaping the planet in real time, from the cockpit of the company that is driving the… On AmazonListen on Audible
- The Optimist: Sam Altman, OpenAI, and the Race to Invent the Future Keach Hagey · 2025 3.79 from 1,312 ratings on Goodreads About the book From an acclaimed Wall Street Journal reporter comes the first biography of the enigmatic leader of the AI revolution, charting his ascent within the tech world as well as his ambitions for this powerful new technology. On November 30, 2022, OpenAI released ChatGPT, a chatbot… On AmazonListen on Audible

More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list).

As an Amazon Associate we earn from qualifying purchases.

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app
