# Altimeter's AI Investments: 17 Startups in Its Portfolio (2026)

> The 17 AI startups Altimeter has backed, by stage: $381B raised between them. From the rounds we track; updated nightly.

Source: https://millionrounds.com/portfolio-maps/altimeter-capital-ai-portfolio (Millionrounds; every figure on the page links to its filing or article)

## Growth

7

- [Baseten](https://millionrounds.com/company/baseten)
- [Groq](https://millionrounds.com/company/groq)
- [Thrive Holdings](https://millionrounds.com/company/thrive-holdings)
- [Factory](https://millionrounds.com/company/factory)
- [Glean](https://millionrounds.com/company/glean)
- [LiveKit](https://millionrounds.com/company/livekit)
- [Sigma](https://millionrounds.com/company/sigma)

## Series C and later

4

- [Anthropic](https://millionrounds.com/company/anthropic)
- [Cognition](https://millionrounds.com/company/cognition)
- [Cerebras Systems](https://millionrounds.com/company/cerebras-systems)
- [*P* Peek](https://millionrounds.com/company/peek)

## Pre-seed and seed

3

- [Arda](https://millionrounds.com/company/arda)
- [*E* Elorian](https://millionrounds.com/company/elorian)
- [SciFin](https://millionrounds.com/company/scifin)

## Stage not reported

3

- [OpenAI](https://millionrounds.com/company/openai)
- [Parloa](https://millionrounds.com/company/parloa)
- [Hammerspace](https://millionrounds.com/company/hammerspace)

## Segment by segment

### Growth

7 startups · $10.0B raised

- [**Baseten**](https://millionrounds.com/company/baseten) Baseten is a San Francisco-based company founded in 2019 that specializes in AI inference infrastructure. United States $4.0B
- [**Groq**](https://millionrounds.com/company/groq) Groq, Inc. United States $3.2B
- [**Thrive Holdings**](https://millionrounds.com/company/thrive-holdings) Holdings owns and operates businesses in critical industries where we believe technology can deliver strategic value to employees United States $2.0B
- [**Factory**](https://millionrounds.com/company/factory) United States $405M
- [**Glean**](https://millionrounds.com/company/glean) Glean Technologies, Inc. United States $150M
- [**LiveKit**](https://millionrounds.com/company/livekit) LiveKit offers open source frameworks and a cloud platform for building voice, video, and physical AI agents. United States $145M
- [**Sigma**](https://millionrounds.com/company/sigma) United States $82M

### Series C and later

4 startups · $140B raised

- [**Anthropic**](https://millionrounds.com/company/anthropic) United States $134B
- [**Cognition**](https://millionrounds.com/company/cognition) Cognition, based in San Francisco, is an artificial intelligence company focused on enhancing software development. United States $3.0B
- [**Cerebras Systems**](https://millionrounds.com/company/cerebras-systems) Cerebras Systems develops computing chips with the sole purpose of accelerating AI. United States $3.0B
- [*P* **Peek**](https://millionrounds.com/company/peek) United States $120M

### Pre-seed and seed

3 startups · $326M raised

- [**Arda**](https://millionrounds.com/company/arda) ARDA is a nonprofit, nonpartisan, Washington, DC-based trade association for the timeshare industry, representing more than 350 pr United States $233M
- [*E* **Elorian**](https://millionrounds.com/company/elorian) United States $55M
- [**SciFin**](https://millionrounds.com/company/scifin) SciFin 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

- [**OpenAI**](https://millionrounds.com/company/openai) OpenAI is an artificial intelligence research and deployment company based in San Francisco. United States $230B
- [**Parloa**](https://millionrounds.com/company/parloa) Parloa is a Berlin-based enterprise software company that specializes in Artificial Intelligence solutions for customer service. Germany $470M
- [**Hammerspace**](https://millionrounds.com/company/hammerspace) Hammerspace 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.

## More portfolio maps

[All portfolios](https://millionrounds.com/portfolio-maps)

[Co-investors **Who invests with Altimeter** 87 co-investors](https://millionrounds.com/portfolio-maps/altimeter-capital-co-investors)[Portfolio map **Altimeter portfolio map** 24 startups · $385B](https://millionrounds.com/portfolio-maps/altimeter-capital-portfolio-map)[Sector portfolio **Techstars' AI portfolio** 336 startups · $4.9B](https://millionrounds.com/portfolio-maps/techstars-ai-portfolio)[Sector portfolio **Alumni Ventures' AI portfolio** 302 startups · $36B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-ai-portfolio)[Sector portfolio **Andreessen Horowitz's AI portfolio** 259 startups · $426B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-ai-portfolio)[Sector portfolio **General Catalyst's AI portfolio** 226 startups · $179B](https://millionrounds.com/portfolio-maps/general-catalyst-ai-portfolio)

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