# Altimeter: portfolio, investments and team

> Altimeter is a vc firm based in United States. 60 investments on record, 19 in the last 12 months, latest Oct 2026. Portfolio, stages, co-investors and team.

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

United States · [Investor](https://millionrounds.com/investors)

# Altimeter

Last cheque observed Oct 2026; 60 cheques on record.

Email

Deploying now New fund $313M, Oct 2026 VC firm

Buyout Growth Pre-IPO Technology

Follow Altimeter and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Faltimeter-capital)

Deploying now

**100%** of best year **19** **cheques in 12 months**, 60 on record

Since the last cheque **3** days **00** hrs **00** min **00** sec

Median round **$280M** Rounds led **14 of 60** Mostly in **United States, 87%**

Pitch Altimeter

## Altimeter highlights

- 01 19 cheques in the last 12 months
- 02 Mostly Growth and Series C: 51% of its rounds
- 03 Led 14 rounds

## What they do

> Altimeter is a technology-focused investment firm... manages a variety of funds that invest in the public and private markets From their own website

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** Not stated
- **Stages:** Buyout Growth Pre-IPO Seed Series A Series B
- **Sectors:** Technology
- **Based in:** Menlo Park, United States
- **Cold pitches:** Not accepted

## The record

Every round we can evidence, newest first **60 appearances**

- **2026** 18 rounds
- **Oct** **[Anthropic](https://millionrounds.com/company/anthropic)** Series H · US · Google News search **$65B** *Led*
- **Oct** **[Arda](https://millionrounds.com/company/arda)** US · Google News search **$230M** *Led*
- **Oct** **[Arda Industries Inc.](https://millionrounds.com/company/arda-industries-inc)** Series A · US · Google News search **$232M** *Led*
- **Sept** **[Factory](https://millionrounds.com/company/factory)** Growth · US · Google News search **$200M** With 14 others
- **Sept** **[Cognition](https://millionrounds.com/company/cognition)** Series E · US · TechCrunch **$2.0B** With 18 others
- **Sept** **[SciFin](https://millionrounds.com/company/scifin)** Seed · US · Madrona Venture Group **$38M** *Led*
- **Aug** **[Castelion](https://millionrounds.com/company/castelion)** Series C · US · Crunchbase News **$800M** With 7 others
- **Aug** **[Thrive Holdings](https://millionrounds.com/company/thrive-holdings)** Growth · US · TechCrunch **$2.0B** *Led*
- **Aug** **[Hadrian](https://millionrounds.com/company/hadrian)** Growth · US · Crunchbase News **$1.4B** With 16 others
- **Aug** **[Volta](https://millionrounds.com/company/volta)** Series A · Ventureburn **$300M** *Led*
- **Aug** **[Base Power](https://millionrounds.com/company/base-power)** Series D · US · TechCrunch **$1.0B** With 14 others
- **Jun** **[Baseten](https://millionrounds.com/company/baseten)** Growth · US · Crunchbase News **$1.5B** *Led*
- **May** **[Sigma](https://millionrounds.com/company/sigma)** Growth · US · Ventureburn **$80M** With 11 others
- **May** **[Anthropic](https://millionrounds.com/company/anthropic)** Series H · US · Crunchbase News **$50B** *Led*
- **Apr** **[Elorian](https://millionrounds.com/company/elorian)** Seed · US · TechCrunch **$55M** *Led*
- **Mar** **[Nexthop AI](https://millionrounds.com/company/nexthop-ai)** Series B · US · Ventureburn **$500M** With 4 others
- **Feb** **[Anthropic](https://millionrounds.com/company/anthropic)** Growth · US · Crunchbase News **$30B** With 19 others
- **Jan** **[LiveKit](https://millionrounds.com/company/livekit)** Growth · US · TechCrunch **$100M** With 6 others
- **2025** 15 rounds
- **Dec** **[Boom Supersonic](https://millionrounds.com/company/boom-supersonic)** Series B · US · TechCrunch **$300M** With 8 others
- **Oct** **[Rapyd](https://millionrounds.com/company/rapyd)** Series F · GB · Ventureburn **$500M** With 15 others
- **Sept** **[Cerebras Systems](https://millionrounds.com/company/cerebras-systems)** Series G · US · Crunchbase News **$1.1B** With 7 others
- **Sept** **[Groq](https://millionrounds.com/company/groq)** Growth · US · TDK Ventures **$750M** With 11 others
- **Sept** **[Anthropic](https://millionrounds.com/company/anthropic)** Series F · US · Crunchbase News **$13B** With 21 others
- **Aug** **[Vulcan Elements](https://millionrounds.com/company/vulcan-elements)** Series A · US · TechStartups **$65M** *Led*
- **Aug** **[OpenAI](https://millionrounds.com/company/openai)** US · TechCrunch **$8.3B** With 12 others
- **Jul** **[Hadrian](https://millionrounds.com/company/hadrian)** Series C · US · Crunchbase News **$260M** With 7 others
- **Jul** **[Castelion](https://millionrounds.com/company/castelion)** Series B · US · TechCrunch **$350M** *Led*
- **Jun** **[Glean](https://millionrounds.com/company/glean)** Growth · US · Crunchbase News **$150M** With 17 others
- **May** **[Parloa](https://millionrounds.com/company/parloa)** Series C · DE · Mosaic Ventures **$120M** With 2 others
- **Apr** **[Hammerspace](https://millionrounds.com/company/hammerspace)** US · TechCrunch **$100M** *Led*
- **Apr** **[Base Power](https://millionrounds.com/company/base-power)** Series B · US · Crunchbase News **$200M** With 7 others
- **Feb** **[OpenAI](https://millionrounds.com/company/openai)** Growth · US · Crunchbase News **$40B** With 6 others
- **Jan** **[Parloa](https://millionrounds.com/company/parloa)** Series D · DE · TechCrunch **$350M** With 5 others
- **2024** 1 round
- **Oct** **[OpenAI](https://millionrounds.com/company/openai)** US · Crunchbase News **$10M** With 11 others
- **2019** 6 rounds
- **Nov** **[Clumio](https://millionrounds.com/company/clumio)** Series C · US · FinSMEs **$135M** *Led*
- **Nov** **[Sigma Computing](https://millionrounds.com/company/sigma-computing)** US · FinSMEs **$30M** With 1 other
- **Oct** **[Udaan](https://millionrounds.com/company/udaan)** Series D · IN · TechCrunch **$585M** With 7 others
- **Aug** **[Udaan](https://millionrounds.com/company/udaan)** Series D · SG · Entrackr **$300M** With 2 others
- **Aug** **[Cockroach Labs](https://millionrounds.com/company/cockroach-labs)** Series C · US · TechCrunch **$55M** *Led*
- **Feb** **[Blue Hexagon](https://millionrounds.com/company/blue-hexagon)** Series B · US · FinSMEs **$31M** With 1 other

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

## The team

Named by the firm itself, on a filing, its Form ADV or its company registration **9 named**

BG **Brad Gerstner** Managing Member of the General Partner i Filing they signed

BT **Bradley Thomas Gerstner** CEO/Limited Partner i Form ADV

JJ **John James Kiernan** Chief Financial Officer i Filing they signed

JK **John Kiernan III** Chief Financial Officer i Filing they signed

MN **Mara Nicole Davis** Chief Compliance Officer i Form ADV

MT **Matt Tolve** Vice President i Filing they signed

MT **Matthew Tolve** Executive Officer i Filing they signed

NB **Niall Brooks** Director i Filing they signed

SD **Scott Dakers** Director i Filing they signed

We also hold **15** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

## What the register says

From the firm's own filings with the SEC, which it must file accurately by law

**$19B** assets it manages Oct 2026

**Registered** investment adviser full reporting to the SEC

- **Legal name:** Altimeter Capital Management, LP
- **SEC number:** CRD 160017

Funds on its Form ADV

**19** private funds, **$11B** in gross assets · filed Mar 2024

Venture **17** Hedge **2**

- Altimeter Partners Fund, L.P. *Hedge* 317 investors $5.9B
- Altimeter Growth Partners Fund VI, L.P. *Venture* 339 investors $1.6B
- Altimeter Growth Partners Fund III, L.P. *Venture* 64 investors $842M
- Altimeter Growth Partners Fund V, L.P. *Venture* 136 investors $764M
- Altimeter Growth Partners Fund IV, L.P. *Venture* 88 investors $480M
- Altimeter LONG Opportunities Fund, L.P. *Hedge* 3 investors $275M
- Altimeter Private Partners Fund II, L.P. *Venture* 35 investors $219M
- Altimeter Private Partners Fund I, L.P. *Venture* 27 investors $181M
- Altimeter Growth Castle Fund L.P. *Venture* 8 investors $127M
- Altimeter Growth Cascade Fund, L.P. *Venture* 26 investors $118M

And 9 more on the filing.

New fund on file

**$313M**

raised in Oct 2026

From its SEC filing, not a journalist: a firm that has just raised has money to deploy.

## The cheque

Buyout Growth Pre-IPO

Median round joined **$280M** the round, not its cheque

Led 14 of 60 rounds **23%**

- **Sole investor:** Never alone
- **Last cheque:** Oct 2026

Rounds by stage said on their site

- Growth said *10*
- Series C *9*
- Series B said *7*
- Series A said *6*
- Series D *5*
- Buyout said *-*
- Pre-IPO said *-*

Cheques by month Led Joined

Nov 2023 Oct 2026

Often in the room with

- [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) 14
- [General Catalyst](https://millionrounds.com/fund/general-catalyst) 13
- [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) 12
- [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) 11
- [Coatue](https://millionrounds.com/fund/coatue-management) 9
- [Accel](https://millionrounds.com/fund/accel) 8

**Pitching Altimeter?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque.

Add to your CRM *→*

## Who they invest alongside

The investors most often in the same rounds as Altimeter. A count of rooms they were both in, not a relationship either has claimed.

[**Andreessen Horowitz** VC firm **14** rounds together](https://millionrounds.com/fund/andreessen-horowitz)[**General Catalyst** VC firm **13** rounds together](https://millionrounds.com/fund/general-catalyst)[**Sequoia Capital** VC firm **12** rounds together](https://millionrounds.com/fund/sequoia-capital)[**Lightspeed Venture Partners** VC firm **11** rounds together](https://millionrounds.com/fund/lightspeed-venture-partners)[**Coatue** VC firm **9** rounds together](https://millionrounds.com/fund/coatue-management)[**Accel** VC firm **8** rounds together](https://millionrounds.com/fund/accel)[**Battery Ventures** VC firm **8** rounds together](https://millionrounds.com/fund/battery-ventures)[**T. Rowe Price** Private equity **8** rounds together](https://millionrounds.com/fund/t-rowe-price)[**Fidelity** VC firm **7** rounds together](https://millionrounds.com/fund/fidelity)[**Founders Fund** VC firm **7** rounds together](https://millionrounds.com/fund/founders-fund)[**Khosla Ventures** VC firm **7** rounds together](https://millionrounds.com/fund/khosla-ventures)[**NVIDIA** Company **7** rounds together](https://millionrounds.com/fund/nvidia)

## Recently backed

The latest companies Altimeter put money into.

[**Anthropic** $65B · Oct 2026](https://millionrounds.com/company/anthropic)[**Arda** $230M · Oct 2026](https://millionrounds.com/company/arda)[**Factory** $200M · Sept 2026](https://millionrounds.com/company/factory)[**Cognition** $2.0B · Sept 2026](https://millionrounds.com/company/cognition)[**SciFin** $38M · Sept 2026](https://millionrounds.com/company/scifin)[**Castelion** $800M · Aug 2026](https://millionrounds.com/company/castelion)

## On podcasts

6 episodes naming Altimeter in the title, and 4 more that mention it.

- [Sourcery](https://millionrounds.com/podcasts/sourcery) 8 Oct 2025 · 38 min Base Power Raises $1B led by Addition, with Trust Ventures, Valor Equity, Thrive, Lightspeed, a16z, Altimeter, Stepstone, Elad Gil Mentions [Addition](https://millionrounds.com/fund/addition)[Altimeter](https://millionrounds.com/fund/altimeter-capital)[Elad Gil](https://millionrounds.com/fund/elad-gil) *+5* Apple PodcastsShow page
- [Sourcery](https://millionrounds.com/podcasts/sourcery) 27 Aug 2025 · 59 min Inside OpenAI’s $500B Valuation | Altimeter’s Largest Bet Mentions [Altimeter](https://millionrounds.com/fund/altimeter-capital) Apple PodcastsShow page
- [Sourcery](https://millionrounds.com/podcasts/sourcery) 16 May 2025 · 55 min How Altimeter Is Investing $100M+ Checks | Anduril, SpaceX, K2 Space Mentions [Altimeter](https://millionrounds.com/fund/altimeter-capital)[Erik Kriessmann](https://millionrounds.com/person/erik-kriessmann) Apple PodcastsShow page
- [This Week in Startups](https://millionrounds.com/podcasts/this-week-in-startups) 15 Nov 2024 · 1h 2m Misaligned Incentives Between GPs and Founders with Altimeter's Jamin Ball | E2045 With [Jamin Ball](https://millionrounds.com/person/jamin-ball) Mentions [Altimeter](https://millionrounds.com/fund/altimeter-capital) Apple PodcastsShow page
- [This Week in Startups](https://millionrounds.com/podcasts/this-week-in-startups) 13 Sept 2024 · 35 min Relationship Advice of the Investor Sort with Meghan Reynolds of Altimeter | E2008 With [Meghan Reynolds](https://millionrounds.com/person/meghan-reynolds) Mentions [Altimeter](https://millionrounds.com/fund/altimeter-capital) Apple PodcastsShow page
- [Venture Unlocked](https://millionrounds.com/podcasts/venture-unlocked) 19 Apr 2024 · 25 min LP Unlocked shorts: What We're Hearing about Venture Liquidity with Meghan Reynolds of Altimeter With [Meghan Reynolds](https://millionrounds.com/person/meghan-reynolds) Mentions [Altimeter](https://millionrounds.com/fund/altimeter-capital) Apple PodcastsShow page

### Mentioned in

- [Sourcery](https://millionrounds.com/podcasts/sourcery) 27 Sept 2026 · 47 min 10 of The Wildest Hot Takes From the All-In Summit 2026 Apple PodcastsShow page
- [Sourcery](https://millionrounds.com/podcasts/sourcery) 19 Jul 2026 · 57 min Dylan Patel, SemiAnalysis, Nebius, Glean, Legora.. 12 Hot Takes From The Biggest Names in AI Apple PodcastsShow page
- [TBPN](https://millionrounds.com/podcasts/tbpn) 11 Mar 2026 · 2h 46m Oracle Rips, Ellison's Tech-First Vision, Fertilizer Crisis | Apoorv Agrawal, Owen Jennings, Amjad Masad, Shardul Shah, Mike Blue, Brian Taylor, Ivan Soto-Wright Apple PodcastsShow page
- [TBPN](https://millionrounds.com/podcasts/tbpn) 16 Sept 2025 · 3h 8m Elon Doubles Down, 𝕏 Timeline Reactions | Andrew Yang, Ishan Mukherjee, Tony Holdstock, Tomer London, Andrei Serban, Tim Higgins Apple PodcastsShow page

## Quick answers about Altimeter

### What does Altimeter invest in?

Altimeter invests most often at Growth and Series C (51% of the rounds on record), in sectors such as Technology.

### How active is Altimeter?

60 investments on record, 19 of them in the last 12 months, and it led 14. The most recent was in Oct 2026.

### What has Altimeter invested in recently?

Its most recent investments on record: Anthropic (Series H, Oct 2026), Arda (Undisclosed round, Oct 2026) and Arda Industries Inc. (Series A, Oct 2026).

### How big are Altimeter's cheques?

The median round it joins is $280M.

### Does Altimeter lead rounds?

Yes: it led 14 of its 60 investments on record (23%).

### Where does Altimeter invest?

Most of the companies it backs are in the United States (87%) and Germany (5%).

### Is Altimeter investing now?

Yes: it is actively investing, with 19 investments in the last 12 months.

### Who does Altimeter invest alongside?

Most often Andreessen Horowitz (14 rounds together), General Catalyst (13 rounds together) and Sequoia Capital (12 rounds together).

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