Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
Scores, valuations, and signals for Form Energy, Stripe, and 370+ companies. 5-min read every Tuesday.
Form Energy is the long-duration energy storage company building multi-day iron-air batteries that can store renewable energy for up to 100 hours — solving the intermittency problem of solar and wind. Valued at $3.4B with $800M raised, Form Energy has signed contracts with major utilities including Xcel Energy and Georgia Power. Major energytech IPO candidate as long-duration storage becomes critical for 100% renewable energy grids globally.
| Industry | Climate Tech |
| Stage | Series G |
| IPO Status | Pre-IPO |
| Valuation | $1.8B (est.) |
| Total Funding | $1.7B |
| Headquarters | Somerville, MA |
Stripe is a global financial infrastructure platform for businesses. Following its May 2026 IPO, the company is publicly traded on the NYSE with a market cap exceeding $180B.
| Industry | Fintech |
| Stage | Pre-IPO |
| IPO Status | Private |
| Valuation | $159B |
| Total Funding | $9.4B |
| Headquarters | San Francisco, CA |
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Form Energy is valued at $1.8B (est.). Stripe is valued at $159B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
Form Energy has raised $1.7B. Stripe has raised $9.4B.
Form Energy is currently pre-IPO. Stripe is currently private. Track both on TechStackIPO for S-1 filings and IPO announcements.
Form Energy operates in Climate Tech, while Stripe operates in Fintech.
Form Energy is a Climate Tech company valued at $1.8B (est.) with $1.7B raised. Stripe is a Fintech company valued at $159B with $9.4B raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.
Accredited investors can access pre-IPO shares in Form Energy and Stripe through secondary market platforms, pre-IPO funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace section tracks available access options for both companies. Pre-IPO investments carry higher risk and limited liquidity.