OpenAI Stock for Accredited Investors

By UpMarket Research  |  Last updated: September 2026
CEO Sam Altman Founded 2015 HQ San Francisco, US

OpenAI is a private artificial intelligence company founded in December 2015 in San Francisco by Sam Altman, Elon Musk, Greg Brockman and others. It develops the GPT family of large language models and the ChatGPT product. Since October 28, 2025, its for-profit business has operated as OpenAI Group PBC, a public benefit corporation controlled by the nonprofit OpenAI Foundation (Reuters, CNBC). As of March 31, 2026, OpenAI was valued at $852 billion post-money after a $122 billion funding round (OpenAI, Bloomberg). OpenAI is not publicly traded.

Accredited investors can request OpenAI access through UpMarket.

Latest Price
$852B
Funding round, 03/31/26, OpenAI and Bloomberg
UpMarket Estimate
$1.03T
Based on UpMarket valuation model

OpenAI Leadership Team

Sam Altman
CEO
Greg Brockman
President
Sarah Friar
CFO

UpMarket Investment Curation Process

  • Full diligence on every offering

    UpMarket curates and conducts independent diligence on every investment opportunity before it reaches the platform.

  • Strategy, fees & legal reviewed in full

    We review every offering's strategy, risk management, liquidity, fees, valuation methodology, tax matters, and all third-party providers: legal counsel, auditor, administrator, and custodian.

  • Disciplined managers only

    We offer investments exclusively from disciplined managers that pursue unique strategies across an array of asset classes.

  • Built around your objectives

    Our goal is to empower you to build a portfolio that best meets your individual investment objectives.

OpenAI Stock FAQ

No. OpenAI is a private company and does not trade on any public stock exchange. Its most recently reported valuation was set in its Series G round (February 2026, source: Sacra).

OpenAI does not have a public stock price because it is privately held. The most recent known share price comes from its last funding round. That round closed on March 31, 2026 at an $852 billion post-money valuation (OpenAI, Bloomberg). Pre-IPO share prices on the secondary market may differ from the last round price depending on supply, demand, and market conditions.

Accredited investors can indicate interest in OpenAI shares through UpMarket by filling out the form on this page or creating an account at upmarket.co. All pre-IPO offerings are subject to availability, and the minimum investment is $50,000. UpMarket is a FINRA-registered broker-dealer.

Pre-IPO investments carry significant risks. Shares are illiquid, meaning there is no public market to sell them quickly. There is no guaranteed exit timeline or return. These investments are speculative, and investors should be prepared for the possibility of total loss. Valuations of private companies can fluctuate substantially between funding rounds. Investors should consult their financial advisor and review all offering documents before investing.

In a pre-IPO transaction, accredited investors purchase shares from existing shareholders (such as employees, early investors, or other holders) through secondary market platforms. The company itself does not issue new shares in these transactions. UpMarket facilitates these trades as a FINRA-registered broker-dealer, handling compliance, documentation, and settlement on behalf of both parties.

There are two primary exit paths for pre-IPO holdings: selling shares on the secondary market to another buyer, or holding until the company completes an IPO or is acquired. Both paths are subject to transfer restrictions, company approval (right of first refusal), and market conditions. The timing of any exit is unpredictable, and investors should plan for a multi-year holding period.

The minimum investment for most pre-IPO offerings on UpMarket is $50,000. This amount may vary depending on the specific offering and share availability. There are no fees to create an UpMarket account or browse available investments.

UpMarket's valuation estimate of $1.03T is derived from a proprietary model that incorporates multiple data sources: funding round data (Caplight), revenue estimates (Sacra), secondary market pricing, and public company comparables. The model applies a private company discount to the public comp multiple to account for illiquidity and information asymmetry. This estimate is not investment advice and may differ substantially from the price at which shares actually trade.

OpenAI develops the GPT models and ChatGPT and was valued at $852 billion in its March 31, 2026 funding round. Accredited investors can request OpenAI access through UpMarket.