Microsoft MSFT
OpenAI's largest backer and primary cloud partner via Azure, holding roughly a 27% stake and reselling OpenAI models through Copilot. The closest large-cap public proxy for OpenAI.
Buy MSFT →OpenAI's financials & how to track them
OpenAI is private, so there's no public share price. But its revenue run-rate, valuation, and a set of public proxy stocks give investors plenty to track. Live charts below.
Run-rate revenue $25B annualized, early 2026
Valuation $852B Mar 2026 round
Total raised ~$180B since 2015
Public ticker None yet private company
OpenAI is not cash-flow positive and does not publicly report GAAP results. Run-rate is an annualized figure from reporting and company statements.
The closest things to "OpenAI stock" you can trade today
You can't buy OpenAI on a public exchange. The nearest tradeable exposure is through its largest strategic investors, both of which hold meaningful equity stakes and are deep infrastructure partners.
Microsoft (MSFT)
OpenAI's largest backer and primary cloud partner, holding roughly a 27% stake and reselling OpenAI models through Azure and Copilot. The closest large-cap public proxy for OpenAI upside.
Open live chart on TradingView →NVIDIA (NVDA)
Made a $30B equity investment in OpenAI and supplies the GPUs that train and serve its models. Direct exposure to OpenAI's compute build-out.
Open live chart on TradingView →Charts by TradingView. Open a free account to set price alerts and track these proxies.
Other AI stocks you can buy today
OpenAI does not trade yet, so many investors get exposure to the same trend through related public companies: its own backers, the chipmakers powering every model, rival-linked names, and recent AI-era IPOs like SpaceX. Full breakdown and broker links are on the how to buy page.
Direct OpenAI backers & partners
Public companies that invested in OpenAI or supply its compute. The closest listed exposure to OpenAI itself.
NVIDIA NVDA
Made a $30B equity investment in OpenAI and supplies the GPUs that train and serve its models. Direct exposure to OpenAI's compute build-out.
Buy NVDA → Amazon AMZN
Struck a $50B strategic partnership with OpenAI plus a $38B, seven-year agreement to run workloads on AWS Trainium compute.
Buy AMZN → Oracle ORCL
Stargate operations and hosting partner with a multi-year cloud commitment reported around $300B; co-owns the flagship Abilene data center.
Buy ORCL →Recent AI-era IPOs
Newly public companies riding the same AI wave OpenAI will list into. A read on how the market prices frontier-AI growth.
SpaceX SPCX
SpaceX fully owns xAI, the maker of the Grok models, after acquiring it in early 2026, which makes it one of the most direct public-market routes into a frontier lab alongside its space business. It recently completed a record-setting IPO.
Buy SPCX →Rival-linked names
Public stocks tied to OpenAI's main rival, Anthropic. Useful for tracking the competitive side of the AI race.
Alphabet (Google) GOOGL
Backer of OpenAI rival Anthropic and a direct competitor through Gemini. A way to track the other side of the frontier-model race.
Buy GOOGL →AI chips & infrastructure
The picks-and-shovels layer. Every frontier lab, OpenAI included, runs on these chips and data-center suppliers.
Broadcom AVGO
Custom AI silicon and networking supplier for hyperscale data centers, including the build-out OpenAI's compute partners depend on.
Buy AVGO → AMD AMD
The main alternative AI accelerator supplier as labs diversify away from a single chip vendor.
Buy AMD → TSMC TSM
Fabricates the advanced chips behind the AI boom, including Nvidia GPUs and custom accelerators.
Buy TSM →What the public S-1 will finally reveal
- Audited revenue, gross margin, and operating losses
- Compute and R&D cost structure
- Share classes and voting/governance terms
- Customer and revenue concentration
- Detailed risk factors
Track filings on our IPO page.