Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
Scores, valuations, and signals for Klarna, OpenAI, and 370+ companies. 5-min read every Tuesday.
Klarna IPO'd on NYSE (KLAR) on Sept 10, 2025 at $40/share ($15.1B valuation). Europe's BNPL leader with 111M+ active consumers and 500K+ retail partners. Stock at $13.99 (Apr 2026), down 65% from IPO.
| Industry | Fintech |
| Stage | Recent IPO |
| IPO Status | Public |
| Valuation | $5.52B |
| Total Funding | $4.6B |
| Headquarters | Stockholm, Sweden |
OpenAI is valued at $852B — the world's most valuable AI company, backed by $27B in funding. Track IPO readiness score, funding rounds, and timeline.
| Industry | Artificial Intelligence |
| Stage | Pre-IPO |
| IPO Status | Pre-IPO |
| Valuation | $852B |
| Total Funding | $55.4B |
| Headquarters | San Francisco, CA |
Klarna is valued at $5.52B. OpenAI is valued at $852B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
Klarna has raised $4.6B. OpenAI has raised $55.4B.
Klarna is currently already public. OpenAI is currently pre-IPO. Track both on TechStackIPO for S-1 filings and IPO announcements.
Klarna operates in Fintech, while OpenAI operates in Artificial Intelligence.
Klarna is a Fintech company valued at $5.52B with $4.6B raised. OpenAI is a Artificial Intelligence company valued at $852B with $55.4B 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 Klarna and OpenAI 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.