byMediaBoost

Monthly edition

May 2026

190 rounds and $18.4B raised. The biggest: Isomorphic Labs, $2.1B.

Compared with April 2026

Rounds
190 +4%
Capital raised
$18.4B -23%
Median round
$17.2M -14%

The month in charts

AI took 57% of the capital this month, down from 65% in April. $18.4B in all, down 23% on April.

Mega-rounds against the rest

46 of 190 rounds made 85% of the capital.

24% of the rounds were of $100M or more 24%of the rounds46 of 19085% of the capital came from rounds of $100M or more 85%of the capital$15.5B of $18.4B
Rounds of $100M or more, May 2026
RoundsCapital
$100M or more46$15.5B
The rest144$2.8B

Capital raised per day

The busiest day: Tue 12 May, $2.8B across 16 rounds.

Capital raised per day, May 2026 Fri 1 May: $300M, 5 rounds; Sat 2 May: $1.4M, 1 round; Sun 3 May: $128M, 2 rounds; Mon 4 May: $988M, 6 rounds; Tue 5 May: $972M, 13 rounds; Wed 6 May: $196M, 9 rounds; Thu 7 May: $1.4B, 10 rounds; Fri 8 May: $1.1B, 3 rounds; Sat 9 May: $0K, 0 rounds; Sun 10 May: $1.6M, 1 round; Mon 11 May: $1.4B, 9 rounds; Tue 12 May: $2.8B, 16 rounds; Wed 13 May: $980M, 11 rounds; Thu 14 May: $619M, 10 rounds; Fri 15 May: $1B, 7 rounds; Sat 16 May: $0K, 0 rounds; Sun 17 May: $0K, 0 rounds; Mon 18 May: $256M, 11 rounds; Tue 19 May: $937M, 10 rounds; Wed 20 May: $653M, 10 rounds; Thu 21 May: $523M, 8 rounds; Fri 22 May: $1.2B, 7 rounds; Sat 23 May: $112M, 1 round; Sun 24 May: $250M, 1 round; Mon 25 May: $60.7M, 5 rounds; Tue 26 May: $362M, 8 rounds; Wed 27 May: $1.2B, 6 rounds; Thu 28 May: $293M, 6 rounds; Fri 29 May: $252M, 9 rounds; Sat 30 May: $107M, 2 rounds; Sun 31 May: $151M, 3 rounds $1B$2B$3B 1 4 11 18 25 $2.8B W19$4.7B W20$6.9B W21$4B W22$2.4B
Capital raised per day, May 2026
DayRoundsCapitalBiggest round
Fri 1 May5$300MRogo, $160M
Sat 2 May1$1.4MNovorbisItus, $1.4M
Sun 3 May2$128MReserv, $125M
Mon 4 May6$988MSierra, $950M
Tue 5 May13$972MBlitzy, $200M
Wed 6 May9$196MTessera Labs, $60M
Thu 7 May10$1.4BKalshi, $1B
Fri 8 May3$1.1BIneffable, $1.1B
Sat 9 May0$0K
Sun 10 May1$1.6MHakim Health, $1.6M
Mon 11 May9$1.4BVoltaGrid, $1B
Tue 12 May16$2.8BIsomorphic Labs, $2.1B
Wed 13 May11$980MRecursive, $650M
Thu 14 May10$619MMind Robotics, $400M
Fri 15 May7$1BRecursive Superintelligence, $650M
Sat 16 May0$0K
Sun 17 May0$0K
Mon 18 May11$256MFull-Life Technologies, $150M
Tue 19 May10$937MDecart, $300M
Wed 20 May10$653MAmca, $300M
Thu 21 May8$523MMercury, $200M
Fri 22 May7$1.2BHark, $700M
Sat 23 May1$112MEarthian AI, $112M
Sun 24 May1$250MExa Labs, $250M
Mon 25 May5$60.7MPolsia, $30M
Tue 26 May8$362MZERON, $200M
Wed 27 May6$1.2BCognition, $1B
Thu 28 May6$293MOishii, $150M
Fri 29 May9$252MFonoa, $110M
Sat 30 May2$107MCorgi, $106M
Sun 31 May3$151MXCENA, $135M

Where the capital went

AI raised $10.4B, 57% of the capital. Choose a sector to filter the rounds below.

Capital by sector, May 2026 57% AI AI $10.4B 69 rounds 57% Enterprise software $1.5B 16 rounds 8% Robotics & Hardware $1.4B 9 rounds 7% Fintech $936M 23 rounds 5% Climate & Energy $639M 10 rounds 3% Other sectors $3.4B 63 rounds 19%
Capital by sector, May 2026
SectorCapitalShareRounds
AI$10.4B57%69
Other$2.7B15%43
Enterprise software$1.5B8%16
Robotics & Hardware$1.4B7%9
Fintech$936M5%23
Climate & Energy$639M3%10
Health$560M3%11
Consumer$74.7M<1%4
Cybersecurity$72.3M<1%5

The 10 biggest rounds

The 10 biggest rounds raised $9.6B, 52% of the total.

The 10 biggest rounds, May 2026Isomorphic Labs: $2.1B; Ineffable: $1.1B; Cognition: $1B; VoltaGrid: $1B; Kalshi: $1B; Sierra: $950M; Hark: $700M; Recursive Superintelligence: $650M; Recursive: $650M; Mind Robotics: $400M Isomorphic Labs $2.1B · Series B Ineffable $1.1B · Seed Cognition $1B VoltaGrid $1B · Strategic Kalshi $1B Sierra $950M Hark $700M Recursive Superintelligence $650M Recursive $650M Mind Robotics $400M

Everyone who raised

190 companies raised $18.4B. A bigger tile is a bigger round.

Every company that raised, May 2026FPHEACAFMVBOThe 57 biggest rounds, May 2026

The 57 biggest of 190. Open on a wider screen for all of them, or see every round below.

Most active investors

Andreessen Horowitz joined 13 rounds, leading 6, more than any other investor.

Most active investors, May 2026Andreessen Horowitz: 13 rounds, 6 led; Sequoia Capital: 11 rounds, 4 led; Index Ventures: 9 rounds, 5 led; Lightspeed Venture Partners: 9 rounds, 4 led; General Catalyst: 7 rounds, 4 led; Accel: 7 rounds, 3 led; NVIDIA: 7 rounds, 0 led; GV: 6 rounds, 4 led; Y Combinator: 5 rounds, 0 led; Thrive Capital: 4 rounds, 2 ledLedJoined Andreessen Horowitz 13 rounds · 6 led Sequoia Capital 11 rounds · 4 led Index Ventures 9 rounds · 5 led Lightspeed Venture Partners 9 rounds · 4 led General Catalyst 7 rounds · 4 led Accel 7 rounds · 3 led NVIDIA 7 rounds GV 6 rounds · 4 led Y Combinator 5 rounds Thrive Capital 4 rounds · 2 led

The investor race

Ranked by rounds joined so far. Andreessen Horowitz finished first with 13 rounds over May 2026. The lead changed hands once.

The investor race, May 2026Andreessen Horowitz: ranks 3, 2, 1, 1, 1, 13 rounds; Sequoia Capital: ranks 1, 1, 4, 3, 2, 11 rounds; Index Ventures: ranks 4, 5, 3, 4, 3, 9 rounds; Lightspeed Venture Partners: ranks 2, 3, 2, 2, 4, 9 rounds; General Catalyst: ranks 5, 4, 5, 5, 5, 7 rounds W18W19W20W21W22 Andreessen Horowitz 13 rounds · 6 led Sequoia Capital 11 rounds · 4 led Index Ventures 9 rounds · 5 led Lightspeed Venture Pa… 9 rounds · 4 led General Catalyst 7 rounds · 4 led
Rounds joined so far, May 2026
InvestorWeek 18Week 19Week 20Week 21Week 22
Andreessen Horowitz0461213
Sequoia Capital155911
Index Ventures01579
Lightspeed Venture Partners12699
General Catalyst02367

Where the rounds were

United Kingdom raised $4.5B, 24% of the capital. Rounds in 20 countries, 142 with no country disclosed.

Capital by country, May 2026United Kingdom: $4.5B; United States: $1.6B; India: $512M; China: $200M; Ireland: $110M; Turkey: $70M; Romania: $55.4M; Israel: $50M; Italy: $50M; Saudi Arabia: $25M; Belgium: $20.4M; France: $15M United Kingdom $4.5B · 9 rounds United States $1.6B · 6 rounds India $512M · 11 rounds China $200M · 1 round Ireland $110M · 1 round Turkey $70M · 1 round Romania $55.4M · 2 rounds Israel $50M · 1 round

The cities that raised

London raised $5.2B, more than all of North America ($1.6B). Rounds from 51 cities.

Capital by city, May 2026London: $5.2B; San Francisco: $2.5B; New York: $1.9B; Houston: $1B; Palo Alto: $400M; Bengaluru: $394M; El Segundo: $300M; Jersey City: $150M; Portland: $140M; Hyderabad: $120M; Amsterdam: $112M; Dublin: $110M London $5.2B · 18 rounds San Francisco $2.5B · 22 rounds New York $1.9B · 9 rounds Houston $1B · 2 rounds Palo Alto $400M · 1 round Bengaluru $394M · 12 rounds

Rounds by stage

Seed was the most common stage: 36 rounds, median $6.5M. The median round size is under each column.

Rounds by stage, May 2026 19 Pre $2M 36 Seed $6.5M 17 A $21M 24 B $104M 9 C $125M 3 D $52M 1 E+ $100M 81 Other $25M
Rounds by stage, May 2026
StageRoundsMedian round
Pre-Seed19$2M
Seed36$6.5M
Series A17$21M
Series B24$104M
Series C9$125M
Series D3$52M
Series E+1$100M
Other or undisclosed81$25M

Sectors against April 2026

Biggest gain: Enterprise software, +$1.1B. Biggest drop: AI, -$5B. Change in capital raised. Only where both periods have rounds.

Change in capital by sectors, May 2026 against April 2026Enterprise software: +$1.1B; Other: +$931M; Fintech: +$360M; Robotics & Hardware: +$57.5M; Consumer: +$36.4M; Cybersecurity: -$758M; Health: -$800M; Climate & Energy: -$1.4B; AI: -$5B Enterprise software +$1.1B ×3.3 Other +$931M +52% Fintech +$360M +62% Robotics & Hardware +$57.5M +4% Consumer +$36.4M +95% Cybersecurity -$758M -91% Health -$800M -59% Climate & Energy -$1.4B -69% AI -$5B -33%
Sectors against April 2026
SectorsMay 2026April 2026Change
Enterprise software$1.5B$469M+$1.1B
Other$2.7B$1.8B+$931M
Fintech$936M$576M+$360M
Robotics & Hardware$1.4B$1.3B+$57.5M
Consumer$74.7M$38.3M+$36.4M
Cybersecurity$72.3M$831M-$758M
Health$560M$1.4B-$800M
Climate & Energy$639M$2B-$1.4B
AI$10.4B$15.5B-$5B

Countries against April 2026

Biggest gain: United Kingdom, +$3.3B. Biggest drop: China, -$910M. Change in capital raised. Only where both periods have rounds.

Change in capital by countries, May 2026 against April 2026United Kingdom: +$3.3B; India: +$153M; Italy: -$2.6M; France: -$68.5M; Denmark: -$77.9M; Spain: -$128M; United States: -$700M; China: -$910M United Kingdom +$3.3B ×3.9 India +$153M +43% Italy -$2.6M -5% France -$68.5M -82% Denmark -$77.9M -99% Spain -$128M -97% United States -$700M -30% China -$910M -82%
Countries against April 2026
CountriesMay 2026April 2026Change
United Kingdom$4.5B$1.1B+$3.3B
India$512M$359M+$153M
Italy$50M$52.6M-$2.6M
France$15M$83.6M-$68.5M
Denmark$1.2M$79.1M-$77.9M
Spain$3.9M$132M-$128M
United States$1.6B$2.3B-$700M
China$200M$1.1B-$910M

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