# Startup funding in the United States, October 2026: Lambda's $4.0B Growth leads 281 rounds > We read 281 equity rounds raised in the United States and announced in October 2026, raising $27B between them: 38% of the rounds we read worldwide that... Source: https://millionrounds.com/news/monthly/2026-10/united-states (Millionrounds; every figure on the page links to its filing or article) Equity rounds **281** raised in the United States, 267 with an amount Raised **$27B** across those rounds Lead named **87%** of rounds say who led Share of the world **38%** of rounds; 45% of the money ## The biggest rounds - [1 **Lambda** Growth · led by Coatue, Clarus Ventures **$4.0B**](https://millionrounds.com/company/lambda) - [2 **Re:Build** Growth · led by General Catalyst, JP Morgan Chase **$2.1B**](https://millionrounds.com/company/re-build) - [3 **Ramp** Growth · led by Thrive Capital, Dragoneer Investment **$1.9B**](https://millionrounds.com/company/ramp) - [4 **Tenstorrent** Series E · led by InnovationX, Trace Capital **$1.5B**](https://millionrounds.com/company/tenstorrent) - [5 **Kalshi** Series G · led by Sequoia Capital, Wellington Management **$1.0B**](https://millionrounds.com/company/kalshi) - [6 **Flapping Airplanes** Series A · led by Index Ventures, Lux Capital **$1.0B**](https://millionrounds.com/company/flapping-airplanes) - [7 **TypeSafe AI** Series A · led by Andreessen Horowitz **$870M**](https://millionrounds.com/company/typesafe-ai) - [8 M **Modal Labs Inc.** Series D · led by Accel **$750M**](https://millionrounds.com/company/modal-labs-inc) - [9 **Bedrock Robotics** Series C · led by Emergence Capital, CapitalG **$600M**](https://millionrounds.com/company/bedrock-robotics) - [10 **Oratomic** Series B · led by General Catalyst, Khosla Ventures **$475M**](https://millionrounds.com/company/oratomic) ## Day by day Equity rounds raised in the United States and announced each day of October. The busiest day was 20 October, with 28. 1 October 31 October ## By stage, against the year Each stage's median this month beside its twelve-month median: the United States's own where we hold enough rounds for a benchmark, otherwise the worldwide one. [Pre-seed](https://millionrounds.com/benchmarks/pre-seed/united-states) *22* **$3.0M** this month **$3.0M** 12 months here [Seed](https://millionrounds.com/benchmarks/seed/united-states) *92* **$6.5M** this month **$8.5M** 12 months here [Series A](https://millionrounds.com/benchmarks/series-a/united-states) *74* **$20M** this month **$25M** 12 months here [Series B](https://millionrounds.com/benchmarks/series-b/united-states) *28* **$54M** this month **$60M** 12 months here [Series C](https://millionrounds.com/benchmarks/series-c/united-states) *14* **$100M** this month **$100M** 12 months here [Series D](https://millionrounds.com/benchmarks/series-d/united-states) *15* **$169M** this month **$170M** 12 months here [Growth](https://millionrounds.com/benchmarks/growth/united-states) *29* **$40M** this month **$200M** 12 months here ## The most active leads Firms that led two or more of the month's rounds in the United States. - [**General Catalyst** Casap, Collective, Different and 4 more *7 led*](https://millionrounds.com/fund/general-catalyst) - [**Sequoia Capital** Blacksmith, Catalyst, Kalshi and 2 more *5 led*](https://millionrounds.com/fund/sequoia-capital) - [**Andreessen Horowitz** Armadin, Dream Technologies Inc., Eka Robotics Inc. and 2 more *5 led*](https://millionrounds.com/fund/andreessen-horowitz) - [**Accel** Arda Industries Inc., Armadin, Modal Labs Inc. and 2 more *5 led*](https://millionrounds.com/fund/accel) - [**Khosla Ventures** Arda Industries Inc., Arena, Broccoli AI and 2 more *5 led*](https://millionrounds.com/fund/khosla-ventures) - [**Lightspeed Venture Partners** Arena, Gardens Interactive, Warp Sciences and 1 more *4 led*](https://millionrounds.com/fund/lightspeed-venture-partners) - [**Forerunner Ventures** Alta, Marklo, SuperMe and 1 more *4 led*](https://millionrounds.com/fund/forerunner-ventures) - [**A16z Speedrun** Forgepoint Inc., Jooba, Loops and 1 more *4 led*](https://millionrounds.com/fund/a16z-speedrun) ## In what - [AI](https://millionrounds.com/news/monthly/2026-10/sector/ai) **175** - [Fintech](https://millionrounds.com/news/monthly/2026-10/sector/fintech) **38** - [Healthcare](https://millionrounds.com/news/monthly/2026-10/sector/healthcare) **32** - [Robotics](https://millionrounds.com/news/monthly/2026-10/sector/robotics) **28** - [Software](https://millionrounds.com/news/monthly/2026-10/sector/software) **26** - [Manufacturing](https://millionrounds.com/news/monthly/2026-10/sector/manufacturing) **21** - [Biotech](https://millionrounds.com/news/monthly/2026-10/sector/biotech) **17** - [Enterprise Software](https://millionrounds.com/news/monthly/2026-10/sector/enterprise-software) **16** AI was the busiest sector in the United States. ## Against the world - Rounds, the United States **281** - Rounds, worldwide **733** - Raised, the United States **$27B** - Raised, worldwide **$59B** [The whole of October 2026](https://millionrounds.com/news/monthly/2026-10) ## Other countries in October [74 rounds **India** *→*](https://millionrounds.com/news/monthly/2026-10/india)[56 rounds **United Kingdom** *→*](https://millionrounds.com/news/monthly/2026-10/united-kingdom)[31 rounds **China** *→*](https://millionrounds.com/news/monthly/2026-10/china)[25 rounds **Japan** *→*](https://millionrounds.com/news/monthly/2026-10/japan)[24 rounds **South Korea** *→*](https://millionrounds.com/news/monthly/2026-10/south-korea)[18 rounds **Canada** *→*](https://millionrounds.com/news/monthly/2026-10/canada)[17 rounds **France** *→*](https://millionrounds.com/news/monthly/2026-10/france) **How this roundup is made** It is written from the rounds we read that month in named articles and filings, counted by the country the company raised in. Only equity rounds with a stage count; debt, grants and public companies' raises do not. Each month the eight countries with the most equity rounds get their own roundup. We read more sources every month, so compare medians, not totals. [How we read rounds](https://millionrounds.com/methodology) · [Report a mistake](https://millionrounds.com/corrections)