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OpenAI

3180 18th Street, San Francisco, CA, 94110, United States

Overview

AI research and deployment company advancing safe artificial intelligence.

Deals · 12mo

15

Links

WebsiteLinkedInX (Twitter)

Stage focus

Seed
Series A
Series B

Geographic focus

United States

Sector focus

Agentic AI
AI Infrastructure
Artificial Intelligence (AI)
Foundational AI
...

Investment portfolio

50rounds
NAMEDATESIZE
Red Queen Bio
Sep 2026Led
$36 MOther Equity
Biossil
Sep 2026Led
$153 MOther Equity
Endex
Aug 2026Led
$14 MOther Equity
Physical Intelligence
Aug 2026Participated
$1.6 BOther Equity
Chai Discovery
Jul 2026Participated
$400 MSeries C
Poetic
Jun 2026Participated
$50 MSeries A
Biossil
Apr 2026Participated
$70 MOther Equity
Anchr
Mar 2026Participated
$6 MSeed
Allonic
Feb 2026Participated
$7 MSeed
Merge Labs
Jan 2026Participated
$252 MSeed
SB Energy
Jan 2026Led
$1.8 BOther Equity
Adaptive Security
Dec 2025Participated
$81 MSeries B
Red Queen Bio
Sep 2026Led
$36 MOther Equity
Biossil
Sep 2026Led
$153 MOther Equity
Endex
Aug 2026Led
$14 MOther Equity
Physical Intelligence
Aug 2026Participated
$1.6 BOther Equity
Chai Discovery
Jul 2026Participated
$400 MSeries C
Poetic
Jun 2026Participated
$50 MSeries A
Biossil
Apr 2026Participated
$70 MOther Equity
Anchr
Mar 2026Participated
$6 MSeed
Allonic
Feb 2026Participated
$7 MSeed
Merge Labs
Jan 2026Participated
$252 MSeed
SB Energy
Jan 2026Led
$1.8 BOther Equity
Adaptive Security
Dec 2025Participated
$81 MSeries B
50
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Deal Distribution

OpenAI: 50 funding rounds are recorded in the selected participation categories.All available history.
OpenAI: 50 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed411
Series A54
Series B36
Series C+16
Other Equity82

Monthly Deal Activity

OpenAI: 50 deals are recorded across 48 months.All available history.
OpenAI: 50 deals are recorded across 48 months. All available history
MonthDeals
Nov '224
Dec '220
Jan '230
Feb '230
Mar '232
Apr '230
May '231
Jun '230
Jul '230
Aug '230
Sep '230
Oct '232
Nov '231
Dec '231
Jan '240
Feb '242
Mar '242
Apr '240
May '240
Jun '243
Jul '241
Aug '242
Sep '241
Oct '242
Nov '241
Dec '241
Jan '250
Feb '251
Mar '251
Apr '251
May '250
Jun '251
Jul '251
Aug '252
Sep '252
Oct '252
Nov '251
Dec '251
Jan '262
Feb '261
Mar '261
Apr '261
May '260
Jun '261
Jul '261
Aug '262
Sep '262
Oct '260

Sector Breakdown

OpenAI: AI & Machine Learning is the largest displayed sector by deal count (39 deals).All available history.

A deal can appear in multiple sectors, so sector totals may overlap. Capital represents disclosed total round sizes, not fund cheque sizes.

OpenAI: AI & Machine Learning is the largest displayed sector by deal count (39 deals). All available history
SectorDeals
AI & Machine Learning39
Enterprise Software14
Hardware & Robotics11
Health & Life Sciences9
Professional Services6
Education & Workforce5
Manufacturing4
Cybersecurity & Privacy3
Transportation & Logistics3
Fintech3
Networks, Cloud & Communication2
Crypto & Blockchain2
Clean Energy & Sustainability1
Data, Analytics & IT1
Space & Frontier Tech1
Consumer & Lifestyle1
Media & Entertainment1
Gaming & eSports1
Developer Tools1

Deal Size Distribution

OpenAI: 50 rounds have a disclosed size in the displayed size bands.All available history.

Undisclosed round sizes are excluded. Capital represents total round sizes, not fund cheque sizes.

OpenAI: 50 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M3
$5M-$10M8
$10M-$25M9
$25M-$50M6
$50M-$100M10
$100M-$250M3
$250M-$500M6
$500M-$1B1
$1B+4

Deals By Geography

OpenAI: United States has the largest recorded deal count among the displayed regions (44 deals).All available history.

Top 3 of 3 regions; European countries are grouped as Europe.

OpenAI: United States has the largest recorded deal count among the displayed regions (44 deals). All available history
RegionDeals
United States44
Europe4
Canada2
OpenAI: 20 co-investors are shown, with Kleiner Perkins sharing 8 recorded deals.All available history.

Co-Investors

Bubble size = shared deals

Click a bubble to open that fund in a new tab.

Shows up to 20 co-investors ranked by shared deals. Deals may be shared with multiple funds, so rows overlap. Capital is total round size, not fund cheque size.

OpenAI: 20 co-investors are shown, with Kleiner Perkins sharing 8 recorded deals. All available history
Co-investorShared deals
Kleiner Perkins8
Sequoia Capital8
Thrive Capital7
Andreessen Horowitz6
Founders Fund6
Conviction4
Khosla Ventures4
Lux Capital4
Abstract Ventures3
Google Ventures3
SV Angel3
Alliance Ventures2
Bain Capital Ventures2
Battery Ventures2
Coatue2
DIMENSION2
Emergence Capital2
General Catalyst2
Index Ventures2
Microsoft2

Investment Strategy

OpenAI: Led accounts for 42% and participating for 58% of round participation.All available history.
OpenAI: Led accounts for 42% and participating for 58% of round participation. All available history
CategoryDeals (count)Share (%)
Led2142%
Participating2958%
OpenAI: Single-lead accounts for 76% and co-led for 24% of lead dynamics.All available history.
OpenAI: Single-lead accounts for 76% and co-led for 24% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead1676%
Co-led524%

Team

Arvind KC

Chief People Officer

Brad Lightcap

COO

Greg Brockman

President, Chairman, & Co-Founder

Hessam Bagherinezhad

Member of Technical Staff

Jakub Pachocki

Chief Scientist

Jason K.

CSO

Sam Altman

Co-Founder and CEO

Sarah Friar

CFO