# Startup funding in the United States, September 2026: Crusoe's $3.9B Series F leads 116 rounds

> We read 116 equity rounds raised in the United States and announced in September 2026, raising $25B between them: 32% of the rounds we read worldwide that...

Source: https://millionrounds.com/news/monthly/2026-09/united-states (Millionrounds; every figure on the page links to its filing or article)

Equity rounds **116** raised in the United States, 108 with an amount

Raised **$25B** across those rounds

Lead named **83%** of rounds say who led

Share of the world **32%** of rounds; 65% of the money

## The biggest rounds

- [1 **Crusoe** Series F · led by Valor Equity Partners, Atreides Management **$3.9B**](https://millionrounds.com/company/crusoe)
- [2 T **The Boring Co.** Growth **$3.0B**](https://millionrounds.com/company/the-boring-co)
- [3 **Cognition** Series E · led by Andreessen Horowitz, Accel **$2.0B**](https://millionrounds.com/company/cognition)
- [4 **Instinct** Series C **$1.0B**](https://millionrounds.com/company/instinct)
- [5 **Stoke Space Technologies** Series E · led by Spark Capital, Point72 Ventures **$1.0B**](https://millionrounds.com/company/stoke-space-technologies)
- [6 **Groq** Growth · led by Disruptive **$750M**](https://millionrounds.com/company/groq)
- [7 **Angle Health** Series C · led by Vitruvian Partners **$600M**](https://millionrounds.com/company/angle-health)
- [8 **Mach Industries** Series C **$600M**](https://millionrounds.com/company/mach-industries)
- [9 **Harvey** Growth · led by Lightspeed Venture Partners, Diffusion **$550M**](https://millionrounds.com/company/harvey)
- [10 **Temporal** Series E · led by Lightspeed Venture Partners, Tiger Global Management **$550M**](https://millionrounds.com/company/temporal)

## Day by day

Equity rounds raised in the United States and announced each day of September. The busiest day was 15 September, with 11.

1 September 30 September

## 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) *6* **$3.4M** this month **$3.0M** 12 months here

[Seed](https://millionrounds.com/benchmarks/seed/united-states) *25* **$13M** this month **$8.5M** 12 months here

[Series A](https://millionrounds.com/benchmarks/series-a/united-states) *25* **$29M** this month **$25M** 12 months here

[Series B](https://millionrounds.com/benchmarks/series-b/united-states) *19* **$64M** this month **$60M** 12 months here

[Series C](https://millionrounds.com/benchmarks/series-c/united-states) *17* **$150M** this month **$100M** 12 months here

[Series D](https://millionrounds.com/benchmarks/series-d/united-states) *5* **$125M** this month **$170M** 12 months here

[Growth](https://millionrounds.com/benchmarks/growth/united-states) *13* **$350M** 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.

- [**Andreessen Horowitz** Cognition, EliseAI, Félix and 2 more *5 led*](https://millionrounds.com/fund/andreessen-horowitz)
- [**Valor Equity Partners** Crusoe, David, Flow Engineering and 1 more *4 led*](https://millionrounds.com/fund/valor-equity-partners)
- [**Insight Partners** Confido, Luzern Risk, Numeral *3 led*](https://millionrounds.com/fund/insight-venture-partners)
- [**Atreides Management** Crusoe, Flow Engineering *3 led*](https://millionrounds.com/fund/atreides-management)
- [**Sequoia Capital** Cymphony, Profound *2 led*](https://millionrounds.com/fund/sequoia-capital)
- [**General Catalyst** Félix, Proximal *2 led*](https://millionrounds.com/fund/general-catalyst)
- [**Lightspeed Venture Partners** Harvey, Temporal *2 led*](https://millionrounds.com/fund/lightspeed-venture-partners)
- [**Accel** Cognition, Dodge AI *2 led*](https://millionrounds.com/fund/accel)

## In what

- [AI](https://millionrounds.com/news/monthly/2026-09/sector/ai) **75**
- [Big Data & Analytics](https://millionrounds.com/news/monthly/2026-09/sector/big-data) **19**
- [Healthcare](https://millionrounds.com/news/monthly/2026-09/sector/healthcare) **15**
- [Fintech](https://millionrounds.com/news/monthly/2026-09/sector/fintech) **13**
- [Enterprise Software](https://millionrounds.com/news/monthly/2026-09/sector/enterprise-software) **12**
- [Logistics](https://millionrounds.com/news/monthly/2026-09/sector/logistics) **10**
- [Robotics](https://millionrounds.com/news/monthly/2026-09/sector/robotics) **10**
- [Software](https://millionrounds.com/news/monthly/2026-09/sector/software) **9**

AI was the busiest sector in the United States.

## Against the world

- Rounds, the United States **116**
- Rounds, worldwide **357**
- Raised, the United States **$25B**
- Raised, worldwide **$39B**

[The whole of September 2026](https://millionrounds.com/news/monthly/2026-09)

## Other countries in September

[46 rounds **United Kingdom** *→*](https://millionrounds.com/news/monthly/2026-09/united-kingdom)[25 rounds **India** *→*](https://millionrounds.com/news/monthly/2026-09/india)[21 rounds **Canada** *→*](https://millionrounds.com/news/monthly/2026-09/canada)[13 rounds **Germany** *→*](https://millionrounds.com/news/monthly/2026-09/germany)[11 rounds **Australia** *→*](https://millionrounds.com/news/monthly/2026-09/australia)[9 rounds **France** *→*](https://millionrounds.com/news/monthly/2026-09/france)[9 rounds **China** *→*](https://millionrounds.com/news/monthly/2026-09/china)

**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)
