Daily edition

Thursday 4 September 2025

44 rounds and $1.3B raised. The biggest: Sierra, $350M.

vs Thu 28 Aug

The day in charts

AI took 70% of the capital on this day, up from 3% on Thu 28 Aug. $1.3B in all, up 22% on Thu 28 Aug.

The 5 biggest rounds raised $775M, 59% of the total.

3 of 44 rounds made 46% of the capital.

Rounds of $100M or more, Thursday 4 September 2025
	Rounds	Capital
$100M or more	3	$615M
The rest	41	$708M

AI raised $925M, 70% of the capital. Choose a sector to filter the rounds below.

Capital by sector, Thursday 4 September 2025
Sector	Capital	Share	Rounds
AI	$925M	70%	27
Health	$182M	14%	4
Web3	$77.1M	6%	2
Enterprise software	$76.1M	6%	4
Other	$42.6M	3%	3
Climate & Energy	$11.6M	<1%	2
Fintech	$8M	<1%	1
Consumer	$794K	<1%	1

United States raised $1.1B, 80% of the capital. Rounds in 14 countries.

8VC joined 3 rounds, leading 1, more than any other investor.

Seed was the most common stage: 11 rounds, median $5M. The median round size is under each column.

San Francisco raised $388M, more than all of Europe ($144M). Rounds from 21 cities.

This day against the 13 days before it. The biggest: Tue 2 Sept, $13.6B.

Capital raised per day, Thursday 4 September 2025
Day	Rounds	Capital	Biggest round
Fri 22 Aug	9	$143M	Starian, $117M
Sat 23 Aug	0	$0K
Sun 24 Aug	1	$150K	Zaher AI, $150K
Mon 25 Aug	25	$336M	Paragraf, $55M
Tue 26 Aug	24	$344M	Aerospacelab, $65.3M
Wed 27 Aug	20	$185M	Leal Therapeutics, $30M
Thu 28 Aug	13	$1.1B	Commonwealth Fusion Systems, $863M
Fri 29 Aug	7	$52M	Deftpower, $14.6M
Sat 30 Aug	0	$0K
Sun 31 Aug	0	$0K
Mon 1 Sept	11	$152M	LayerX, $100M
Tue 2 Sept	28	$13.6B	Anthropic, $13B
Wed 3 Sept	24	$1.1B	IQM Quantum Computers, $300M
Thu 4 Sept	44	$1.3B	Sierra, $350M