Private Market View

OpenAI

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

PA Mark · $/share
$688
Sep 2026
Implied valuation
$475.5B
Total raised
$178.1B
Last round
Debt - General
Jul 2026

Key facts

as of Sep 2026
  • OpenAI is valued at approximately $475.5B (~$688/share) as of Sep 2026, per Private Market View’s composite mark.
  • It has raised $178.1B across 24 recorded rounds; the latest was Later Stage VC ($122.0B) in Mar 2026.
  • Notable investors include Y Combinator, Andreessen Horowitz, Sequoia Capital, Mana Ventures, Khosla Ventures — 194 tracked in total.
  • 10 institutional filers report fund marks on OpenAI across 98 filings.
  • Private Market View tracks 42 recorded secondary trades in OpenAI shares.
  • 11 investment vehicles were formed to buy OpenAI shares in the last 12 months, reporting $19.1M sold to 218 investors, per SEC Form D filings.
  • Status: In IPO Registration.
PA Mark — composite indicative price
MEDIUM confidence
~$688per share
implies $475.5B valuation · as of Sep 2026 · the exact daily mark is a member feature
Composed from 13 inputs:N-PORT marks 73%3rd-party trades 27%
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  • ·Post-money valuations for all 24 rounds
  • ·The complete investor list — 194 names
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Recorded secondary trades

42 on record · Jan 2024 – Jun 2026

42 trades between Jan 2024 and Jun 2026. Exact dates, prices and structures are available to Pro members.

Jan 2024peak 7 prints / monthJun 2026
Counts and months are public. The prints are the product.Unlock 42 trade prints

Institutional fund marks

10 filers · latest Jun 2026

10 SEC-registered funds reported 98 fair-value marks on OpenAI between Apr 2025 and Jun 2026. Filer-level marks and implied $/share are available to Pro members.

Unlock 98 fund marks

Funding rounds

24 rounds
Jul 2026Debt - General$520.0M▮
Jun 2026IPO—▮
Mar 2026Later Stage VC$122.0B▮
Dec 2025Later Stage VC—▮
Oct 2025Secondary Transaction - Private$6.6B▮
Full funding history →

Secondary demand: investment vehicles

from SEC Form D filings

In the last 12 months, 11 investment vehicles were formed to buy OpenAI shares, reporting $19.1M sold to 218 investors across 11 sponsors. Most recent filing May 2026. Vehicles like these are how secondary buyers pool demand for a name; a rising count is a demand signal.

The vehicle list — each sponsor, filing date, amount sold and investor count — is a Pro table. Unlock the 11 vehicles →
Companies with the most vehicle activity →

Leadership

Latest analysis

from our research

About OpenAI

Developer of machine learning systems designed for general-purpose artificial intelligence applications. The company's systems provide large-scale language models, multimodal input handling, code generation, natural language understanding, API integration, plugin extensibility, and continuous model updates, enabling enterprises, developers and researchers to build, test and deploy intelligent systems that support automation, content generation, data analysis and interactive problem-solving across various domains.

Industry
Software Development Applications
Sector
Artificial Intelligence
HQ
San Francisco, CA, United States
Founded
2015
Employees
4,500
Ownership
In IPO Registration