Most active investors · All time

Ranked by rounds participated in, from announcements across all periods. Lead counts include only confirmed lead roles.

Browse by month

SiteGround CapitalLatest Oct 6

Type One Energy · $200M Series B Mazama Energy · $135M Series B

2rounds

0led

Climate tech 2

Series B 2

Oct 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Type One Energy $200M Series B Mazama Energy $135M Series B

Climentum CapitalLatest Oct 5

Rodinia Generation · €4M Investment round Rodinia Generation · €3M Seed

2rounds

0led

Industrial tech 2

Seed 1, Undisclosed 1

Oct 5, 2026

Details

New companies 1 · Follow-on 1

Stages: Seed 1, Undisclosed 1

Rodinia Generation €4M Investment round Rodinia Generation €3M Seed

Danish Export and Investment Fund (EIFO)Latest Oct 5

Rodinia Generation · €4M Investment round Rodinia Generation · €3M Seed

2rounds

0led

Industrial tech 2

Seed 1, Undisclosed 1

Oct 5, 2026

Details

New companies 1 · Follow-on 1

Stages: Seed 1, Undisclosed 1

Rodinia Generation €4M Investment round Rodinia Generation €3M Seed

Greenfield PartnersLatest Oct 5

RobCo · Undisclosed Primary investment and employee secondary transaction RobCo · $100M Series C

2rounds

0led

Industrial tech 2

Series C+ 1, Undisclosed 1

Oct 5, 2026

Details

New companies 1 · Follow-on 1

Stages: Series C+ 1, Undisclosed 1

RobCo Undisclosed Primary investment and employee secondary transaction RobCo $100M Series C

Kindred CapitalLatest Oct 5

RobCo · Undisclosed Primary investment and employee secondary transaction RobCo · $100M Series C

2rounds

0led

Industrial tech 2

Series C+ 1, Undisclosed 1

Oct 5, 2026

Details

New companies 1 · Follow-on 1

Stages: Series C+ 1, Undisclosed 1

RobCo Undisclosed Primary investment and employee secondary transaction RobCo $100M Series C

Garage CapitalLatest Oct 2

Hestus, Inc. · $7.4M Seed Daedal Systems · $4M Funding

2rounds

0led

Hardware 1Industrial tech 1

Seed 1, Undisclosed 1

Oct 2, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Hestus, Inc. $7.4M Seed Daedal Systems $4M Funding

Insight PartnersLatest Oct 2

Hestus, Inc. · $7.4M Seed BeyondMath · $18.5M Seed

2rounds

0led

AI 1Industrial tech 1

Seed 2

Oct 2, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Hestus, Inc. $7.4M Seed BeyondMath $18.5M Seed

Doerr CapitalLatest Sep 29

Hertha Metals · $133.7M Series A Mazama Energy · $135M Series B

2rounds

2led

Climate tech 1Industrial tech 1

Series A 1, Series B 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Hertha Metals $133.7M Series A Mazama Energy $135M Series B

Possible VenturesLatest Sep 29

Reverion · $175M Series B Transition Metal Solutions · $6M Seed

2rounds

0led

Climate tech 1Industrial tech 1

Seed 1, Series B 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Reverion $175M Series B Transition Metal Solutions $6M Seed

100

UVC PartnersLatest Sep 29

Reverion · $175M Series B Synera · $40M Series B

2rounds

0led

AI 1Climate tech 1

Series B 2

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Reverion $175M Series B Synera $40M Series B

101

Foothill VenturesLatest Sep 25

Overlord Labs, Inc. · $4.4M Seed extension CarbonSix · $40M Series A

2rounds

0led

Hardware 1Industrial tech 1

Seed 1, Series A 1

Sep 25, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Overlord Labs, Inc. $4.4M Seed extension CarbonSix $40M Series A

102

Bain Capital VenturesLatest Sep 24

Solcoa Industries · $75M Seed financing; equity, debt, and equipment financing Mind Robotics · $400M Series B

2rounds

1led

Industrial tech 1Robotics 1

Seed 1, Series B 1

Sep 24, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Solcoa Industries $75M Seed financing; equity, debt, and equipment financing Mind Robotics $400M Series B

103

Gigascale CapitalLatest Sep 24

Solcoa Industries · $75M Seed financing; equity, debt, and equipment financing Cocoon Carbon · $15M Series A

2rounds

0led

Climate tech 1Industrial tech 1

Seed 1, Series A 1

Sep 24, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Solcoa Industries $75M Seed financing; equity, debt, and equipment financing Cocoon Carbon $15M Series A

104

Mizuho Capital Co., Ltd.Latest Sep 24

AIONA, Inc. · ¥140M J-KISS and loan financing Power Laser Technology Inc. · ~¥1.2B Seed

2rounds

0led

Industrial tech 2

Seed 1, Undisclosed 1

Sep 24, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

AIONA, Inc. ¥140M J-KISS and loan financing Power Laser Technology Inc. ~¥1.2B Seed

105

ArchangelsLatest Sep 23

CSignum · £2.6M Follow-on funding iGii · €26.5M Series B

2rounds

0led

Hardware 1Industrial tech 1

Series B 1, Undisclosed 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Undisclosed 1

CSignum £2.6M Follow-on funding iGii €26.5M Series B

106

At One VenturesLatest Sep 23

Mojave Energy Systems · $19M Series B Ravel · $8.2M Seed

2rounds

0led

Climate tech 2

Seed 1, Series B 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Mojave Energy Systems $19M Series B Ravel $8.2M Seed

107

European Investment BankLatest Sep 23

Reactive Technologies · €19M EIB venture debt Morphotonics · >€40M Series B

2rounds

0led

Climate tech 1Industrial tech 1

Series B 1, Undisclosed 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Undisclosed 1

Reactive Technologies €19M EIB venture debt Morphotonics >€40M Series B

108

firstminute capitalLatest Sep 23

StandardX · £10M Seed Reimagine Robotics · Undisclosed Pre-seed disclosure

2rounds

0led

Industrial tech 1Robotics 1

Pre-seed 1, Seed 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

StandardX £10M Seed Reimagine Robotics Undisclosed Pre-seed disclosure

109

Myriad Venture PartnersLatest Sep 23

Mojave Energy Systems · $19M Series B CVector · $5M Seed

2rounds

0led

Climate tech 1Industrial tech 1

Seed 1, Series B 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Mojave Energy Systems $19M Series B CVector $5M Seed

110

Silent VenturesLatest Sep 23

American Supercritical · $8M Pre-seed Furientis · $5M Pre-seed

2rounds

2led

Climate tech 1Defense tech 1

Pre-seed 2

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 2

American Supercritical $8M Pre-seed Furientis $5M Pre-seed

111

Vsquared VenturesLatest Sep 23

StandardX · £10M Seed ABZ Innovation · $8.2M Undisclosed

2rounds

1led

Industrial tech 1Robotics 1

Seed 1, Undisclosed 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

StandardX £10M Seed ABZ Innovation $8.2M Undisclosed

112

Yamaha Motor VenturesLatest Sep 23

Axya · CA$17M Series A Foundation Alloy · $22M Series A

2rounds

0led

Enterprise software 1Industrial tech 1

Series A 2

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

Axya CA$17M Series A Foundation Alloy $22M Series A

113

Ernij NextLatest Sep 22

Morphotonics · >€40M Series B Smart Robotics · €10M Series A

2rounds

0led

Industrial tech 1Robotics 1

Series A 1, Series B 1

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Morphotonics >€40M Series B Smart Robotics €10M Series A

114

ACT Venture PartnersLatest Sep 21

Productive Machines · Undisclosed Growth investment NxLite · $13.1M Series A

2rounds

0led

Climate tech 1Industrial tech 1

Growth 1, Series A 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series A 1

Productive Machines Undisclosed Growth investment NxLite $13.1M Series A

115

Constellation Technology VenturesLatest Sep 21

Fluxnium, Inc. · $7M Seed Blue Energy · Undisclosed Strategic

2rounds

0led

Climate tech 2

Seed 1, Undisclosed 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Fluxnium, Inc. $7M Seed Blue Energy Undisclosed Strategic

116

Mercia VenturesLatest Sep 21

Productive Machines · Undisclosed Growth investment Astral Systems · £23M Series A

2rounds

0led

Industrial tech 2

Growth 1, Series A 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series A 1

Productive Machines Undisclosed Growth investment Astral Systems £23M Series A

117

Activate CapitalLatest Sep 17

Crusoe · $3.9B Series F (initial close; anticipated total)Antora Energy · $550M Series C

2rounds

0led

AI 1Climate tech 1

Series C+ 2

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Crusoe $3.9B Series F (initial close; anticipated total)Antora Energy $550M Series C

118

AP VenturesLatest Sep 17

Ravel · $8.2M Seed Rubi · $7.5M Undisclosed

2rounds

0led

Climate tech 2

Seed 1, Undisclosed 1

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Ravel $8.2M Seed Rubi $7.5M Undisclosed

119

ARK InvestLatest Sep 17

Crusoe · $3.9B Series F (initial close; anticipated total)K2 Space · $500M Series D

2rounds

0led

AI 1Space tech 1

Series C+ 2

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Crusoe $3.9B Series F (initial close; anticipated total)K2 Space $500M Series D

120

Atreides ManagementLatest Sep 17

Crusoe · $3.9B Series F (initial close; anticipated total)Sila · $300M Growth

2rounds

1led

AI 1Climate tech 1

Growth 1, Series C+ 1

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series C+ 1

Crusoe $3.9B Series F (initial close; anticipated total)Sila $300M Growth

“—” in Led means every role for that investor in this period is undisclosed; it does not mean zero leads. New companies counts the first participation in a company in our records; follow-on counts later participation.