Weekly edition

Week 43, 2026 (19 Oct to 25 Oct)

74 rounds and $21.5B raised. The biggest: DeepSeek, $15B.

Compared with week 42

Average of the 4 weeks before: 84 rounds, $4.2B a week. This week is ×5.1 on capital.

The week in charts

AI took 92% of the capital this week, up from 51% in week 42. DeepSeek alone raised $15B, 70% of it.

16 of 74 rounds made 95% of the capital.

Rounds of $100M or more, Week 43, 2026 (19 Oct to 25 Oct)
	Rounds	Capital
$100M or more	16	$20.4B
The rest	58	$1.1B

The busiest day: Thu 22 Oct, $15.7B across 18 rounds.

Capital raised per day, Week 43, 2026 (19 Oct to 25 Oct)
Day	Rounds	Capital	Biggest round
Mon 19 Oct	10	$273M	Nouscom, $135M
Tue 20 Oct	18	$2.7B	Tenstorrent, $1.5B
Wed 21 Oct	20	$2.2B	Flapping Airplanes, $1B
Thu 22 Oct	18	$15.7B	DeepSeek, $15B
Fri 23 Oct	7	$450M	Warp Sciences, $215M
Sat 24 Oct	0	$0K
Sun 25 Oct	1	$34M	Mave, $34M

AI raised $19.8B, 92% of the capital. Choose a sector to filter the rounds below.

Capital by sector, Week 43, 2026 (19 Oct to 25 Oct)
Sector	Capital	Share	Rounds
AI	$19.8B	92%	32
Other	$669M	3%	15
Health	$301M	1%	6
Enterprise software	$284M	1%	5
Robotics & Hardware	$251M	1%	6
Cybersecurity	$100M	<1%	1
Fintech	$52.1M	<1%	4
Consumer	$39.5M	<1%	3
Climate & Energy	$19.4M	<1%	2

The 10 biggest rounds raised $19.6B, 91% of the total.

74 companies raised $21.5B. A bigger tile is a bigger round.

The 63 biggest of 74. Open on a wider screen for all of them, or see every round below.

Sequoia Capital joined 3 rounds, leading 2, more than any other investor.

Ranked by rounds joined so far. Y Combinator finished first with 21 rounds over the last 8 weeks. The lead changed hands 5 times.

Rounds joined so far, the last 8 weeks
Investor	Week 36	Week 37	Week 38	Week 39	Week 40	Week 41	Week 42	Week 43
Y Combinator	3	6	6	11	13	15	18	21
Andreessen Horowitz	1	6	7	8	12	17	17	19
Insight Partners	3	5	9	13	15	16	16	18
Accel	1	5	5	7	10	10	15	18
General Catalyst	1	4	10	12	13	14	15	18

China raised $15B, 70% of the capital. Rounds in 20 countries, 31 with no country disclosed.

San Francisco raised $704M, more than all of South America ($130M). Rounds from 33 cities.

Series A was the most common stage: 11 rounds, median $20M. The median round size is under each column.

Biggest gain: AI, +$18B. Biggest drop: Climate & Energy, -$190M. Change in capital raised. Only where both periods have rounds.

Sectors against week 42
Sectors	Week 43, 2026 (19 Oct to 25 Oct)	week 42	Change
AI	$19.8B	$1.8B	+$18B
Enterprise software	$284M	$76.3M	+$208M
Other	$669M	$571M	+$98M
Cybersecurity	$100M	$4M	+$96M
Health	$301M	$262M	+$38.2M
Robotics & Hardware	$251M	$246M	+$4.8M
Fintech	$52.1M	$143M	-$91.1M
Consumer	$39.5M	$185M	-$146M
Climate & Energy	$19.4M	$210M	-$190M

Biggest gain: France, +$155M. Biggest drop: United States, -$324M. Change in capital raised. Only where both periods have rounds.

Countries against week 42
Countries	Week 43, 2026 (19 Oct to 25 Oct)	week 42	Change
France	$250M	$95.2M	+$155M
Spain	$8.4M	$21.9M	-$13.5M
United Kingdom	$2.5M	$19M	-$16.4M
Germany	$9M	$95.7M	-$86.7M
India	$67.5M	$160M	-$92.7M
United States	$526M	$850M	-$324M

MediaBoost gets your round in front of the press, future hires and your next investors.