Index
OpenAI — Equity Stake: 27%
Verdictconfirmed99%
1 check · 4/29/20261 → confirmed
Our claim
entire record- Subject
- OpenAI
- Property
- Equity Stake
- Value
- 27%
- As Of
- October 2025
- Notes
- Microsoft equity stake in OpenAI Group PBC after restructuring; valued at approximately $135B on $500B valuation. Down from previous 32.5% stake. Microsoft invested $13.8B total ($11.6B funded as of September 2025).
Source evidence
1 src · 1 checkconfirmed99%primaryHaiku 4.5 · 4/11/2026
NoteThe source explicitly states multiple times that Microsoft received a 27% stake in OpenAI as part of the for-profit restructuring deal. This is mentioned in the headline, subheading, and body text. The claim matches the source material exactly.
Case № f_FZb1inTwrQFiled 4/29/2026Confidence 99%