Sector portfolio · VC firm · United States
Altimeter's AI portfolio
Altimeter has backed 17 AI startups in rounds we track, $381B between them, shown by the stage each has reached. The best-funded is Openai.
Funding by segment
- Growth$10.0B7
- Series C and later$140B4
- Pre-seed and seed$326M3
- Stage not reported$231B3
Where they are based
- United States16$381B
- Germany1$470M
United States
GermanyFounded
8 without a founding year on record.
Total raised
- Under $1M0
- $1M to $10M0
- $10M to $50M1
- $50M to $250M7
- $250M to $1B2
- $1B and over7
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
8 of 17 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States16
- Germany1
Startups by country, 2 countries in all.
Segment by segment
Growth
7 startups · $10.0B raised
BasetenBaseten is a San Francisco-based company founded in 2019 that specializes in AI inference infrastructure.United States$4.0B
GroqGroq, Inc.United States$3.2B
Thrive HoldingsHoldings owns and operates businesses in critical industries where we believe technology can deliver strategic value to employees United States$2.0B
FactoryUnited States$405M
GleanGlean Technologies, Inc.United States$150M
LiveKitLiveKit offers open source frameworks and a cloud platform for building voice, video, and physical AI agents.United States$145M
SigmaUnited States$82M
Series C and later
4 startups · $140B raised
AnthropicUnited States$134B
CognitionCognition, based in San Francisco, is an artificial intelligence company focused on enhancing software development.United States$3.0B
Cerebras SystemsCerebras Systems develops computing chips with the sole purpose of accelerating AI.United States$3.0B- PPeekUnited States$120M
Pre-seed and seed
3 startups · $326M raised
ArdaARDA is a nonprofit, nonpartisan, Washington, DC-based trade association for the timeshare industry, representing more than 350 prUnited States$233M- EElorianUnited States$55M
SciFinSciFin is an AI-powered revenue intelligence platform that unifies fragmented sales data & CRM information into a single context layer.United States$38M
Stage not reported
3 startups · $231B raised
OpenAIOpenAI is an artificial intelligence research and deployment company based in San Francisco.United States$230B
ParloaParloa is a Berlin-based enterprise software company that specializes in Artificial Intelligence solutions for customer service.Germany$470M
HammerspaceHammerspace is a software company founded in 2018, headquartered in Redwood City, California.United States$100M
How this map is made. Every startup here works in AI and has raised money in a round we track that names Altimeter as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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