AC
Altimeter Capital
Venture Capital · Founded 2008 · Boston, United States
Altimeter Capital’s biggest current holdings.
The most valuable companies Altimeter Capital still holds — unicorns and thoroughbreds it has backed, ordered by Dealroom’s latest valuation. Companies that have been acquired or gone public are in Exits instead. Where a cap table names Altimeter Capital directly, the stake and its estimated value are shown too.
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1
Anthropic
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$965B
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2
OpenAI
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$852B
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3
ByteDance
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$550B
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4
Anduril
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$61.0B
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5
Ramp
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$44.0B
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6
Epic Games
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$18.0B
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7
Deel
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$17.3B
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8
ClickHouse
3.5%
$15.0B
$525M
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9
Base Power
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$13.0B
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10
BaseTen
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$13.0B
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11
Checkout.com
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$12.0B
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12
Crusoe
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$10.0B
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Estimated value = Altimeter Capital’s disclosed ownership % × Dealroom’s latest company valuation; direct named stakes only, exited positions excluded. Figures are indicative, not reported marks. Altimeter Capital also appears inside investor groups in Checkout.com, Deel, Loft, Personio, Ro Health, StockX, Udaan, where a standalone stake isn’t disclosed. See the underlying cap tables on Dealroom →
Altimeter Capital’s biggest exits.
Portfolio companies that IPO’d or were acquired at $1B+, with the valuation recorded at exit and — for those still public — their value today. Exit events come from each company’s funding-round history; entry stage from Altimeter Capital’s transaction record.
Where Altimeter Capital’s portfolio is concentrated.
Distribution of portfolio companies by headquarters country, sector, entry stage and current growth stage. Across all 85 portfolio companies. "Stage entered" is the first priced round the investor joined, derived from the investor’s transaction history.
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USA77
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UK4
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Germany3
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India3
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Brazil1
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China1
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Singapore1
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Enterprise Software45
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Fintech11
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Security11
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Health7
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Marketing6
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Media6
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Hosting5
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Transportation5
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Energy3
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Gaming3
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Home Living3
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Jobs Recruitment3
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Series B+69
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Series A9
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Seed5
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Late Growth80
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Breakout Stage9
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Early Growth1
Inside Altimeter Capital’s portfolio.
The 60 highest-funded portfolio companies, of 85 tracked.
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XBWhere Altimeter Capital’s portfolio founders come from.
197 founders across the 90 highest-funded portfolio companies — by current location, university attended, and the companies they worked at before founding. Sourced from the founder records the API links to each portfolio company.
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United States146
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United Kingdom10
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Germany7
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Brazil6
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India6
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Israel3
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Argentina2
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China2
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France2
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Ireland2
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Stanford University12
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Massachusetts Institute of Technology11
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University of California, Berkeley10
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Harvard University9
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Harvard Business School5
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Indian Institute of Technology, Delhi4
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The University of Chicago4
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University of Michigan4
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Cornell University3
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MIT Sloan School of Management3
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Alphabet | Google14
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Microsoft8
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Oracle6
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IBM5
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Modesat5
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Sunopsis5
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Sutter Hill Ventures5
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Tangosol5
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OpenAI4
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Palantir4
Similar investors.
Peers the API surfaces as most similar by portfolio shape, with Dealroom investor rank and portfolio scale.








Key people at Altimeter Capital.




