Altimeter
AL
AL
Altimeter
About
Key facts
- Portfolio companies
- 17
- Stages
- SeedSeries BSeries CSeries F
- Cheque size
- $1M to $122.0B
Recent investments
| Date | Company | Round | Amount |
|---|---|---|---|
| 9 Nov 2026 | Onodrim | Series A | $300M |
| 20 Oct 2026 | Arda Industries | Funding Round | $232M |
| 1 Sept 2026 | SciFin | Seed | $44M |
| 20 Aug 2026 | Castelion | Series C | $1.0B |
| 6 Aug 2026 | Hadrian | D | $1.4B |
| 3 Aug 2026 | Base Power | Series D | $1.0B |
| 18 Mar 2026 | XBOW | Series C | $120M |
| 1 Jan 2026 | Baseten | Series E | $300M |
| 31 Mar 2025 | ChatGPT (OpenAI) | Series F | $40.0B |
| 4 Aug 2024 | Volta | Seed and Series A | Undisclosed |
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Frequently asked
What companies has Altimeter invested in?
Altimeter has invested in Onodrim, Arda Industries, SciFin, Castelion, Hadrian and 12 more.
SEC filings, insider activity, nonprofit links and pay benchmarks for Altimeter:
