Altimeter Capital

投资管理

Website ↗

Verified investment lower bound≥$10M

Investment cases13

Manager operating history18 years

Representative investments

Anthropic$965B OpenAI$852B Cognition$48B

2026-09-08

Company round total

Cognition · Series E

超过$2B

Verified round participation

Sources · 1

Do it all with Devin: Announcing our Series E | Cognition ↗2026-10-22

2026-06-22

Company round total

Baseten · Series F

$1.5B

Verified round participation

Sources · 1

Announcing our Series F ↗2026-10-22

2026-06-22

Company round total

Groq · 增长融资

$650M

A portfolio financing event does not establish this investor participated.

2025年与NVIDIA非独家许可，不等于公司整体收购

Sources · 1

Groq Raises $650M to Scale Its AI Inference Cloud Business | Groq is the premier neocloud for fast inference ↗2026-10-22

2026-05-28

Company round total

Anthropic · Series H

$65B

Verified round participation

包含此前已承诺的hyperscaler投资15000，其中Amazon5000，不能重复累计

Sources · 1

Anthropic raises $65B Series H at $965B valuation \ Anthropic ↗2026-10-22

2026-05-27

Company round total

Cognition · 未命名轮次

超过$1B

A portfolio financing event does not establish this investor participated.

Sources · 1

More Devins in More Places | Cognition ↗2026-10-22

2026-05-14

IPO / listing

Cerebras Systems · IPO / 上市

项目上市信息；不据此推断该机构参与IPO。

Sources · 1

Cerebras ↗2026-10-22

2026-05-06

Company round total

XBOW · Series C扩募后整轮总额

整轮含此前120及追加35$155M

A portfolio financing event does not establish this investor participated.

公司5月公告明确追加35至3月同一C轮120，最后整轮合计155百万美元。此行金额是整轮总额，投资方栏仅列最后追加部分；3月领投及参与方见历史交割记录。不得再将120+155重复累计。

Sources · 1

XBOW Raises $35M to Scale Autonomous Security | XBOW ↗2026-10-23

2026-03-31

Company round total

OpenAI · 未命名轮次最终扩募

承诺资本$122B

Verified round participation

2026-03-31公司宣布已关闭融资，1220亿美元为承诺资本，不能据此认定全部资金已经到账。

Sources · 1

OpenAI raises $122 billion to accelerate the next phase of AI | OpenAI ↗2026-10-22

2026-03-18

Company round total

XBOW · Series C首次交割

$120M

Verified round participation

同一C轮首次120百万美元。随后追加35，最后整轮合计155；不是三笔可累加融资。

Sources · 1

XBOW Raises $120M to Scale AI Pentesting | XBOW ↗2026-10-23

2026-03-10

Company round total

Nexthop AI · Series B

$500M

Verified round participation

按公告/报道原精度；并不表示实际到账日。仅归属本轮明确披露的投资方。

Sources · 1

Nexthop AI accelerates into Hypergrowth with Oversubscribed $500M Series B Funding, catapulting the company’s valuation to $4.2 Billion – Nexthop.ai ↗2026-10-23

2026-02-12

Company round total

Anthropic · Series G

$30B

Verified round participation

含先前公布的Microsoft和NVIDIA部分投资，累计统计需去重

Sources · 1

Anthropic raises $30B Series G at $380B valuation \ Anthropic ↗2026-10-22

2026-02

Company round total

Cerebras Systems · Series H

约$1B

A portfolio financing event does not establish this investor participated.

2026年1–2月分次交割；源文件整轮约10亿美元，日期取区间末月。资本方仅列此轮单家金额已核部分，非完整投资人名单。

Sources · 1

Cerebras 2026 S-1/A：G/H轮分机构认购代价，印刷页172–173 ↗2026-10-23

2026-01-23

Company round total

Baseten · Series E

$300M

Verified round participation

Sources · 1

Announcing Baseten's $300M Series E ↗2026-10-22

2026-01-22

Company round total

LiveKit · Series C

$100M

Verified round participation

已核公告或报道日；只列来源明确归属本轮的投资者，完整历史轮次仍有缺口。

Sources · 1

LiveKit's Series C: towards the voice-driven era of computing | LiveKit ↗2026-10-22

2026-01-15

Company round total

Parloa · Series D

$350M

Verified round participation

公司公告累计超过560；早期轮次未全部拆录

Sources · 1

Parloa Valued at $3 Billion with $350M Series D to Lead Agentic AI for Customer Experience ↗2026-10-22

2025-11-19

Company round total

Profluent · Series B

$106M

Verified round participation

已核公告或报道日；只列来源明确归属本轮的投资者，完整历史轮次仍有缺口。

Sources · 1

Buy and Sell Profluent Stock, $502.78M Valuation - Forge ↗2026-10-22

2025-10

Company round total

Cerebras Systems · Series G

约$1.1B

A portfolio financing event does not establish this investor participated.

2025年9–10月分次交割；源文件整轮约11亿美元，日期取区间末月。资本方仅列此轮单家金额已核部分，非完整投资人名单。

Sources · 1

Cerebras 2026 S-1/A：G/H轮分机构认购代价，印刷页172–173 ↗2026-10-23

2025-09-17

Company round total

Groq · 未命名轮次

$750M

Verified round participation

Sources · 1

Groq Raises $750 Million as Inference Demand Surges ↗2026-10-22

2025-09-02

Company round total

Anthropic · Series F

$13B

Verified round participation

Sources · 1

Anthropic raises $13B Series F at $183B valuation \ Anthropic ↗2026-10-22

2025-06-10

Company round total

Glean · Series F

超过$150M

A portfolio financing event does not establish this investor participated.

其余参投机构未完整摘录

Sources · 1

Glean raises $150M Series F at $7.2B valuation to transform how companies use AI to accelerate innovation ↗2026-10-22

2025-04-10

Company round total

LiveKit · Series B

$45M

Verified round participation

补录可与后续轮次区分的历史轮次；不据此推断每轮的全部参与者。

Sources · 1

LiveKit's tools power real-time communications, including OpenAI's Voice Mode | TechCrunch ↗2026-10-22

2025

Company round total

Baseten · Series D

$150M

A portfolio financing event does not establish this investor participated.

Sources · 1

Announcing Baseten’s $150M Series D ↗2026-10-22

2024-10-03

Company round total

OpenAI · 循环信贷额度

未提款$4B

A portfolio financing event does not establish this investor participated.

授信关闭时未提款；银行作为信贷参与方，不标为股权投资基金

Sources · 1

New Credit Facility Enhances Financial Flexibility | OpenAI ↗2026-10-22

2024-10-02

Company round total

OpenAI · 未命名股权轮

$6.6B

A portfolio financing event does not establish this investor participated.

金额由公司确认；本次原文未列全体投资人，未把2026年承诺额当作唯一门槛证据

Sources · 1

New funding to scale the benefits of AI | OpenAI ↗2026-10-22

2024-09-10

Company round total

Glean · Series E

超过$260M

Verified round participation

Sources · 1

Glean Announces Over $260 Million Series E and Next-Generation Prompting as it Brings Work AI to the Enterprise | Glean Press ↗2026-10-22

2024-09

Company round total

Cerebras Systems · Series F-1

$85M

A portfolio financing event does not establish this investor participated.

2024年7–9月分次完成，原文合计4,000万加4,500万美元；不含G42未来承诺。资本方仅列此轮单家金额已核部分，非完整投资人名单。

Sources · 1

Cerebras 2024 S-1：F轮认购代价与Alpha Wave F-1，印刷页150–151 ↗2026-10-23

2024-02

Company round total

Unlearn · Series C

$50M

Verified round participation

按公告/报道原精度；并不表示实际到账日。仅归属本轮明确披露的投资方。

Sources · 1

DCVC | Unlearn Raises $50 Million Series C to Optimize Clinical… ↗2026-10-23

2023-05-23

Company round total

Anthropic · Series C

$450M

A portfolio financing event does not establish this investor participated.

股权融资与云计算采购承诺分别处理

Sources · 1

Anthropic raises $450 million in Series C \ Anthropic ↗2026-10-22

2021-12

Company round total

Cerebras Systems · Series F

约$254.4M

Verified round participation

2021年10–12月分次交割；源文件整轮认购代价约2.544亿美元，日期取区间末月，不是一次新付款。资本方仅列此轮单家金额已核部分，非完整投资人名单。

Sources · 1

Cerebras 2024 S-1：F轮认购代价与Alpha Wave F-1，印刷页150–151 ↗2026-10-23

2021-12

Investor contribution

Cerebras Systems · Altimeter Capital · Series F

$10M

F轮在2021年10–12月多次交割；日期标为交割区间末月。金额直接取单家认购代价，不是整轮2.544亿美元。

Sources · 1

Cerebras 2024 S-1：F轮认购代价与Alpha Wave F-1，印刷页150–151 ↗2026-10-23