✦ AI AI Company Comparison

OpenAI vs Rubrik — IPO & Funding Comparison

Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.

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Some data on this page may be outdated. We're verifying.
OpenAI: verified May 26, 2026. Data for Rubrik last verified: May 20, 2026.
Metric OpenAI Rubrik
Valuation$852B$7B
Total Funding$55.4B$553M
IPO StatusPre-IPOPublic
SectorArtificial IntelligenceCybersecurity
StagePre-IPOPublic
HeadquartersSan Francisco, CAPalo Alto, CA
CEOSam AltmanBipul Sinha
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OpenAI

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.

IndustryArtificial Intelligence
StagePre-IPO
IPO StatusPre-IPO
Valuation$852B
Total Funding$55.4B
HeadquartersSan Francisco, CA

Rubrik

Cloud data security company providing backup, ransomware recovery, and data observability.

IndustryCybersecurity
StagePublic
IPO StatusPublic
Valuation$7B
Total Funding$553M
HeadquartersPalo Alto, CA

Frequently Asked Questions

What are the valuations of OpenAI and Rubrik? +

OpenAI is valued at $852B. Rubrik is valued at $7B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.

How much has each company raised? +

OpenAI has raised $55.4B. Rubrik has raised $553M.

What is the IPO status of OpenAI and Rubrik? +

OpenAI is currently pre-IPO. Rubrik is currently already public. Track both on TechStackIPO for S-1 filings and IPO announcements.

Are OpenAI and Rubrik in the same sector? +

OpenAI operates in Artificial Intelligence, while Rubrik operates in Cybersecurity.

What are the main differences between OpenAI and Rubrik? +

OpenAI is a Artificial Intelligence company valued at $852B with $55.4B raised. Rubrik is a Cybersecurity company valued at $7B with $553M raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.

How can I invest in OpenAI or Rubrik before their IPO? +

Accredited investors can access pre-IPO shares in OpenAI and Rubrik 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.