Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
Scores, valuations, and signals for Climeworks, SpaceX, and 370+ companies. 5-min read every Tuesday.
Swiss direct air capture company removing CO2 directly from the atmosphere using modular DAC units.
| Industry | Climate & Energy |
| Stage | Series D+ |
| IPO Status | Private |
| Valuation | $2B |
| Total Funding | $785M |
| Headquarters | Zurich, Switzerland |
Aerospace and defense company with proprietary reusable rocket technology. Confidential S-1 filed April 2026 targeting $75B Nasdaq IPO at $1.75T valuation. $20B projected 2026 revenue, $14B EBITDA. Government contracts with NASA and DoD.
| Industry | Aerospace & Defense |
| Stage | Pre-IPO |
| IPO Status | Pre-IPO |
| Valuation | $1.75T |
| Total Funding | $11.9B |
| Headquarters | Hawthorne, CA |
Climeworks is valued at $2B. SpaceX is valued at $1.75T. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
Climeworks has raised $785M. SpaceX has raised $11.9B.
Climeworks is currently private. SpaceX is currently pre-IPO. Track both on TechStackIPO for S-1 filings and IPO announcements.
Climeworks operates in Climate & Energy, while SpaceX operates in Aerospace & Defense.
Climeworks is a Climate & Energy company valued at $2B with $785M raised. SpaceX is a Aerospace & Defense company valued at $1.75T with $11.9B 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 Climeworks and SpaceX 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.