byMediaBoost

Monthly edition

October 2026

343 rounds and $38.4B raised. The biggest: DeepSeek, $15B.

Month still running: figures so far, compared once it ends

Rounds
343
Capital raised
$38.4B
Median round
$15M

The month in charts

AI took 68% of the capital this month so far, up from 57% in September. DeepSeek alone raised $15B, 39% of it.

Mega-rounds against the rest

50 of 343 rounds made 85% of the capital.

15% of the rounds were of $100M or more 15%of the rounds50 of 34385% of the capital came from rounds of $100M or more 85%of the capital$32.8B of $38.4B
Rounds of $100M or more, October 2026
RoundsCapital
$100M or more50$32.8B
The rest293$5.6B

Capital raised per day

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

Capital raised per day, October 2026 Thu 1 Oct: $628M, 14 rounds; Fri 2 Oct: $404M, 5 rounds; Sat 3 Oct: $103M, 3 rounds; Sun 4 Oct: $38M, 1 round; Mon 5 Oct: $843M, 18 rounds; Tue 6 Oct: $1.1B, 26 rounds; Wed 7 Oct: $1B, 25 rounds; Thu 8 Oct: $1.1B, 18 rounds; Fri 9 Oct: $1.5B, 8 rounds; Sat 10 Oct: $54M, 2 rounds; Sun 11 Oct: $122M, 2 rounds; Mon 12 Oct: $264M, 9 rounds; Tue 13 Oct: $964M, 29 rounds; Wed 14 Oct: $1.3B, 28 rounds; Thu 15 Oct: $480M, 22 rounds; Fri 16 Oct: $469M, 4 rounds; Sat 17 Oct: $0K, 0 rounds; Sun 18 Oct: $0K, 0 rounds; Mon 19 Oct: $273M, 10 rounds; Tue 20 Oct: $2.7B, 18 rounds; Wed 21 Oct: $2.2B, 20 rounds; Thu 22 Oct: $15.7B, 18 rounds; Fri 23 Oct: $450M, 7 rounds; Sat 24 Oct: $0K, 0 rounds; Sun 25 Oct: $34M, 1 round; Mon 26 Oct: $734M, 12 rounds; Tue 27 Oct: $4.5B, 15 rounds; Wed 28 Oct: $287M, 11 rounds; Thu 29 Oct: $975M, 17 rounds $10B$20B 1 5 12 19 26 $15.7B W40$1.2B W41$5.7B W42$3.5B W43$21.5B W44$6.5B
Capital raised per day, October 2026
DayRoundsCapitalBiggest round
Thu 1 Oct14$628MArmadin, $256M
Fri 2 Oct5$404MPaleBlueDot AI, $200M
Sat 3 Oct3$103MVolantis, $88M
Sun 4 Oct1$38Mdoxx.net, $38M
Mon 5 Oct18$843MSignSplit, $400M
Tue 6 Oct26$1.1BVinci, $250M
Wed 7 Oct25$1BLedgebrook, $200M
Thu 8 Oct18$1.1BManus, $500M
Fri 9 Oct8$1.5BTypeSafe, $870M
Sat 10 Oct2$54MKONST, $30M
Sun 11 Oct2$122MVEIR, $110M
Mon 12 Oct9$264MHone, $60M
Tue 13 Oct29$964MICON, $200M
Wed 14 Oct28$1.3BModal Labs, $750M
Thu 15 Oct22$480MStand, $70M
Fri 16 Oct4$469MOMass Therapeutics, $310M
Sat 17 Oct0$0K
Sun 18 Oct0$0K
Mon 19 Oct10$273MNouscom, $135M
Tue 20 Oct18$2.7BTenstorrent, $1.5B
Wed 21 Oct20$2.2BFlapping Airplanes, $1B
Thu 22 Oct18$15.7BDeepSeek, $15B
Fri 23 Oct7$450MWarp Sciences, $215M
Sat 24 Oct0$0K
Sun 25 Oct1$34MMave, $34M
Mon 26 Oct12$734MBedrock Robotics, $600M
Tue 27 Oct15$4.5BRe:Build, $2.1B
Wed 28 Oct11$287MFoundry, $100M
Thu 29 Oct17$975MFuriosaAI, $620M

Where the capital went

AI raised $25.9B, 68% of the capital. Choose a sector to filter the rounds below.

Capital by sector, October 2026 68% AI AI $25.9B 150 rounds 68% Health $1.1B 36 rounds 3% Robotics & Hardware $1.1B 20 rounds 3% Fintech $857M 25 rounds 2% Climate & Energy $770M 16 rounds 2% Other sectors $8.6B 96 rounds 22%
Capital by sector, October 2026
SectorCapitalShareRounds
AI$25.9B68%150
Other$7.5B20%58
Health$1.1B3%36
Robotics & Hardware$1.1B3%20
Fintech$857M2%25
Climate & Energy$770M2%16
Enterprise software$571M1%16
Consumer$341M<1%18
Cybersecurity$174M<1%4

The 10 biggest rounds

The 10 biggest rounds raised $25.1B, 65% of the total.

The 10 biggest rounds, October 2026DeepSeek: $15B; Re:Build: $2.1B; Re:Build Manufacturing: $2.1B; Tenstorrent: $1.5B; Flapping Airplanes: $1B; TypeSafe: $870M; Modal Labs: $750M; FuriosaAI: $620M; Bedrock Robotics: $600M; Legora: $550M DeepSeek $15B Re:Build $2.1B Re:Build Manufacturing $2.1B Tenstorrent $1.5B Flapping Airplanes $1B · Series A TypeSafe $870M Modal Labs $750M · Series D FuriosaAI $620M Bedrock Robotics $600M · Series C Legora $550M · Series E

Everyone who raised

343 companies raised $38.4B. A bigger tile is a bigger round.

Every company that raised, October 2026IDMSHHWRAZCSDNSFThe 57 biggest rounds, October 2026IDM

The 57 biggest of 343. Open on a wider screen for all of them, or see every round below.

Most active investors

Y Combinator joined 16 rounds, more than any other investor.

Most active investors, October 2026Y Combinator: 16 rounds, 0 led; Accel: 9 rounds, 5 led; Andreessen Horowitz: 9 rounds, 5 led; General Catalyst: 9 rounds, 4 led; Sequoia Capital: 8 rounds, 4 led; Khosla Ventures: 7 rounds, 4 led; Index Ventures: 7 rounds, 2 led; Antler: 7 rounds, 1 led; SV Angel: 7 rounds, 0 led; 3one4 Capital: 6 rounds, 4 ledLedJoined Y Combinator 16 rounds Accel 9 rounds · 5 led Andreessen Horowitz 9 rounds · 5 led General Catalyst 9 rounds · 4 led Sequoia Capital 8 rounds · 4 led Khosla Ventures 7 rounds · 4 led Index Ventures 7 rounds · 2 led Antler 7 rounds · 1 led SV Angel 7 rounds 3one4 Capital 6 rounds · 4 led

The investor race

Ranked by rounds joined so far. Y Combinator finished first with 16 rounds over October 2026. The lead changed hands twice.

The investor race, October 2026Y Combinator: ranks 3, 3, 3, 3, 1, 16 rounds; Accel: ranks 2, 4, 2, 1, 2, 9 rounds; Andreessen Horowitz: ranks 1, 1, 1, 2, 3, 9 rounds; General Catalyst: ranks 4, 5, 5, 5, 4, 9 rounds; Sequoia Capital: ranks 5, 2, 4, 4, 5, 8 rounds W40W41W42W43W44 Y Combinator 16 rounds Accel 9 rounds · 5 led Andreessen Horowitz 9 rounds · 5 led General Catalyst 9 rounds · 4 led Sequoia Capital 8 rounds · 4 led
Rounds joined so far, October 2026
InvestorWeek 40Week 41Week 42Week 43Week 44
Y Combinator136916
Accel11699
Andreessen Horowitz27799
General Catalyst01259
Sequoia Capital03478

Where the rounds were

China raised $15.5B, 40% of the capital. Rounds in 35 countries, 129 with no country disclosed.

Capital by country, October 2026China: $15.5B; United States: $9.5B; South Korea: $620M; Sweden: $553M; France: $475M; United Kingdom: $388M; India: $358M; Switzerland: $204M; Uruguay: $180M; Germany: $141M; Brazil: $136M; Israel: $89M China $15.5B · 2 rounds United States $9.5B · 90 rounds South Korea $620M · 1 round Sweden $553M · 2 rounds France $475M · 10 rounds United Kingdom $388M · 20 rounds India $358M · 31 rounds Switzerland $204M · 6 rounds

The cities that raised

San Francisco raised $2.7B, more than all of Europe ($2B). Rounds from 95 cities.

Capital by city, October 2026San Francisco: $2.7B; Palo Alto: $749M; New York: $714M; Seoul: $620M; Emeryville: $545M; Singapore: $535M; Paris: $404M; Boston: $380M; London: $374M; Austin: $349M; Mountain View: $320M; Oxford: $310M San Francisco $2.7B · 41 rounds Palo Alto $749M · 5 rounds New York $714M · 24 rounds Seoul $620M · 1 round Emeryville $545M · 2 rounds Singapore $535M · 4 rounds

Rounds by stage

Series A was the most common stage: 71 rounds, median $16.8M. The median round size is under each column.

Rounds by stage, October 2026 36 Pre $2.2M 67 Seed $6.1M 71 A $17M 31 B $50M 13 C $70M 12 D $143M 5 E+ $180M 5 Growth $21M 103 Other $17M
Rounds by stage, October 2026
StageRoundsMedian round
Pre-Seed36$2.2M
Seed67$6.1M
Series A71$16.8M
Series B31$50M
Series C13$70M
Series D12$143M
Series E+5$180M
Growth5$21M
Other or undisclosed103$17M

Sectors against September 2026

Biggest gain: AI, +$5.1B. Biggest drop: Robotics & Hardware, -$2.3B. Change in capital raised, October 2026 so far against the whole of September 2026. Only where both periods have rounds.

Change in capital by sectors, October 2026 against September 2026AI: +$5.1B; Other: +$963M; Consumer: +$277M; Enterprise software: -$54.1M; Fintech: -$185M; Climate & Energy: -$234M; Cybersecurity: -$673M; Health: -$778M; Robotics & Hardware: -$2.3B AI +$5.1B +24% Other +$963M +15% Consumer +$277M ×5.4 Enterprise software -$54.1M -9% Fintech -$185M -18% Climate & Energy -$234M -23% Cybersecurity -$673M -79% Health -$778M -41% Robotics & Hardware -$2.3B -68%
Sectors against September 2026
SectorsOctober 2026September 2026Change
AI$25.9B$20.8B+$5.1B
Other$7.5B$6.6B+$963M
Consumer$341M$63.6M+$277M
Enterprise software$571M$626M-$54.1M
Fintech$857M$1B-$185M
Climate & Energy$770M$1B-$234M
Cybersecurity$174M$847M-$673M
Health$1.1B$1.9B-$778M
Robotics & Hardware$1.1B$3.4B-$2.3B

Countries against September 2026

Biggest gain: China, +$14.4B. Biggest drop: France, -$3.2B. Change in capital raised, October 2026 so far against the whole of September 2026. Only where both periods have rounds.

Change in capital by countries, October 2026 against September 2026China: +$14.4B; United States: -$66.9M; United Kingdom: -$303M; India: -$309M; Israel: -$472M; Portugal: -$549M; Netherlands: -$774M; France: -$3.2B China +$14.4B ×14 United States -$66.9M -1% United Kingdom -$303M -44% India -$309M -46% Israel -$472M -84% Portugal -$549M -95% Netherlands -$774M -93% France -$3.2B -87%
Countries against September 2026
CountriesOctober 2026September 2026Change
China$15.5B$1.1B+$14.4B
United States$9.5B$9.5B-$66.9M
United Kingdom$388M$690M-$303M
India$358M$667M-$309M
Israel$89M$561M-$472M
Portugal$31.4M$580M-$549M
Netherlands$60.4M$835M-$774M
France$475M$3.7B-$3.2B

All rounds

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