Altimeter Capital Management
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Altimeter Capital Management

https://altimeter.com
Last activity: 09.09.2026
Active
Portfolio
18
Mentions
160
Investment Type: Venture Capital
Investment Stage: Series C

Portfolio 18

DateNameWebsiteTotal RaisedLocation
20.08.2026Castelioncastelion.com$1.46BUnited Sta...
05.08.2026Voltavolta.com$300MUnited Sta...
18.06.2026Basetenbaseten.co$2.09BUnited Sta...
10.03.2026Nexthop.ainexthop.ai$610MUnited Sta...
26.01.2026Inferactinferact.ai$150MUnited Sta...
22.01.2026LiveKitlivekit.io$167MUnited Sta...
14.12.2025K2 Spacek2space.com$875.5MUnited Sta...
20.11.2025Profluent ...profluent.bio$150MUnited Sta...
24.10.2025Crusoe Ene...crusoeenergy.com$5.82BUnited Sta...
30.09.2025Cerebras S...cerebras.net$8.03BUnited Sta...
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Mentions in press and media 160

DateTitleDescription
13.09.2026Deep Tech Dominates: Capital Floods AI Infrastructure, 3D Generative ModelsVenture capital surges into deep tech, funneling massive investments into AI infrastructure and critical "control points." Tripo AI secured $446 million for its 3D generative foundation models, highlighting a strategic pivot towar...
10.09.2026AI Reshapes Global Tech: Cognition Leads $48 Billion Software RevolutionCognition AI secured $2 billion, reaching a $48 billion valuation in just four months. Its Devin AI redefines software engineering. It operates as an autonomous agent, planning, writing, testing, and deploying code. This massive investment ...
09.09.2026Cognition AI raises $2B at $48B valuation, nearly doubling its value in just four monthsCognition AI has raised $2 billion at a $48 billion valuation, nearly doubling its value in four months and making the maker of Devin one of the most highly valued private AI companies in the software industry. The Series E round was led by...
04.09.2026SciFin Launches With $44M Seed Round SAN FRANCISCO, CA, SciFin, which helps revenue teams turn fragmented information into timely action, has emerged from stealth and announced $44 million in seed funding. >> Click here for more funding data on SciFin >> To export...
02.09.2026SciFin Raises $44M in Seed FundingSciFin, a San Jose, CA-based provider of an AI platform for enterprise revenue teams, raised $44M in Seed funding The round was co-led by Altimeter and Madrona with participation from Foundation Capital, S32, Zetta Ventures, and others. The...
01.09.2026Venture Capital & Startup Funding Roundup, September 1, 2026: Andreessen Horowitz; General Catalyst, Sequoia Capital & MoreVenture investors spent the past 12 hours buying control points rather than another layer of generic AI applications. The largest deal in this edition, Tripo AI’s roughly RMB 3 billion financing, targets 3D-native foundation models and the ...
23.08.2026US Defense Tech Leader Castelion Bags $1 Billion for Hypersonic ProductionCastelion, a vital defense technology company, just secured a staggering $1 billion in Series C funding. This massive capital injection will dramatically accelerate the production of its flagship low-cost, mass-producible hypersonic strike ...
21.08.2026Castelion Raises $1 Billion Series C At $13 Billion Valuation As U.S. Military Contracts Top $500 MillionCastelion has raised a $1 billion Series C financing at a $13 billion valuation to scale production of its Blackbeard hypersonic strike missile and accelerate development of longer-range strike weapons and defensive systems. The financing i...
21.08.2026Castelion Reaches $13 Billion Valuation for Mass Production of Hypersonic MissilesSet Trending Topics as a preferred source on Google. Castelion, a rocket startup founded by former SpaceX executives, has closed a $1 billion Series C funding round at a valuation of $13 billion, TechCrunch reports. Founded in 2022, the you...
20.08.2026Castelion Raises $1 Billion in Series C FundingCastelion, a Torrance, CA-based defense technology company, raised $1 Billion in Series C financing. The round, consisting of $800M in equity financing and $250M in committed financing for a revolving credit facility, was co-led by JPMorgan...
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