OpenAI

Software Development Applications · San Francisco, CA · Founded 2015 · In IPO Registration

Developer of machine learning systems designed for general-purpose artificial intelligence applications. OpenAI is based in San Francisco, CA and was founded in 2015. It is valued at about $1.16 trillion as of Oct 2026, set by secondary market price, up 36% since its later-stage round in Mar 2026. It has raised $178 billion across 25 recorded rounds; the latest was a $520 million debt round in Jul 2026.

PMV mark · valuation
$1.2T
Oct 2026
Secondary market · $/share
$955
Total raised
$178.1B
Last round
Debt - General
Jul 2026

Who backs OpenAI?

220 investors · 3 led rounds
InvestorTypeRole
Amazon.com—lead
The D. E. Shaw GroupHedge fundlead
Robinhood Ventures—lead
Y CombinatorOther
Andreessen HorowitzVenture capital
Sequoia CapitalVenture capital
Mana VenturesVenture capital
Khosla VenturesVenture capital
Insight Partners (New York)PE / buyout
D1 Capital PartnersHedge fund
+ 210 more investors · a free account shows the complete list
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OpenAI investors

220 investors are on record for OpenAI, led by Amazon.com, The D. E. Shaw Group and Robinhood Ventures. By type, the record holds 103 venture capital firms and 10 family offices. 3 of them led at least one round. The later-stage round in Apr 2026 drew 3 investors.

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