Altimeter is a private equity firm. Based in Menlo Park, California, United States. The known portfolio counts 10 companies, including Anthropic, OpenAI, Hadrian, Cerebras Systems, Parloa and Elorian.
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Investment focus
Contacts
Who to pitch at Altimeter
Altimeter portfolio companies (10)
- Anthropic
- OpenAI
- Hadrian
- Cerebras Systems
- Parloa
- Elorian
- XBOW
- Inferact
- Nexthop AI
- LiveKit
Co-investors
Funds that share portfolio companies with Altimeter.
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About Altimeter
The firm's listing covers sectors AI, Commerce, FinTech and Hardware, and focus areas AI Infrastructure, Analytics, Cloud Infrastructure and Computer Vision; known deals cluster at Growth, Seed and Series B.
Of the 7 people on file at Altimeter, Brad Gerstner (Founder and CEO Altimeter Capital) and Jamin Ball (Partner) are listed as the contacts to approach first.
Altimeter shares portfolio companies with 20 other investment firms, among them Irving Investors, TPG Capital BD and MGX.
Frequently asked questions
What is Altimeter?
Altimeter is a private equity firm based in Menlo Park, California, United States, with a known portfolio of 10 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Altimeter invest in?
Listed sectors include AI, Commerce, FinTech and Hardware; listed focus areas include AI Infrastructure, Analytics, Cloud Infrastructure and Computer Vision. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Altimeter invest at?
The known deals of Altimeter include Growth, Seed and Series B rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Altimeter?
2 of the 7 people on file at Altimeter are listed as contacts for the firm. All 7 have their own profile page.
How do I contact Altimeter?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 7 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal