Corporate · JP
SoftBank Group
Japanese investment holding company and an investor in AI labs.
- Rounds and deals tracked
- 3
- Led or co-led
- 1
- First tracked
- Mar 31, 2025
- Latest tracked
- Mar 31, 2026
AI rounds and deals
Roles as named in the primary source
| Date | Event | Role | Size | Post-money | Source |
|---|---|---|---|---|---|
| Mar 31, 2026 | OpenAI funding round (March 2026)OpenAI | Co-lead, Strategic | $122B | $852B | OpenAI ↗ |
| Feb 27, 2026 | OpenAI investment from SoftBank, NVIDIA and Amazon (February 2026)OpenAI | Strategic | No amount stated | Not tracked yet | OpenAI ↗ |
| Mar 31, 2025 | OpenAI funding round (March 2025)OpenAI | Investor | $40B | $300B | OpenAI ↗ |
Size is the whole round or deal, not this investor’s share. Amounts per investor appear only when a source states them: $30B (SoftBank, Feb 27, 2026); ≤$40B (SoftBank investment agreement, Mar 31, 2025).
Companies in tracked rounds
Sources
Reviewed Oct 21, 2026
- OpenAI, “OpenAI raises $122 billion to accelerate the next phase of AI”, Mar 31, 2026 · OpenAI
- OpenAI, “Scaling AI for everyone”, Feb 27, 2026 · OpenAI
- SoftBank Group, “Follow-on Investments in OpenAI”, Feb 27, 2026 · SoftBank Group
- SoftBank Group, “Execution of Follow-on Investment (Third Tranche) in OpenAI”, Oct 1, 2026 · SoftBank Group
- OpenAI, “New funding to build towards AGI”, Mar 31, 2025 · OpenAI
- SoftBank Group, “Announcement Regarding Follow-on Investments in OpenAI”, Apr 1, 2025 · SoftBank Group