Most active investors · All time

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

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HV CapitalLatest Oct 14

Rabot Energy · $50M Series B Ore Energy · $43M Series A

2rounds

0led

Climate tech 2

Series A 1, Series B 1

Oct 14, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Rabot Energy $50M Series B Ore Energy $43M Series A

Avaana CapitalLatest Oct 13

NuSynth Technologies · ₹365M Seed Drivn’s Indian entity · ₹450M Seed

2rounds

2led

Industrial tech 1Mobility 1

Seed 2

Oct 13, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

NuSynth Technologies ₹365M Seed Drivn’s Indian entity ₹450M Seed

BpifranceLatest Oct 13

CarbonFarm · €7M Series A Verley · €32M Series A

2rounds

0led

Climate tech 1Foodtech 1

Series A 2

Oct 13, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

CarbonFarm €7M Series A Verley €32M Series A

SC Climate Tech Ventures ILatest Oct 13

CarbonFarm · €7M Series A Cubicup · €2M Funding round

2rounds

1led

Climate tech 1Proptech 1

Series A 1, Undisclosed 1

Oct 13, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

CarbonFarm €7M Series A Cubicup €2M Funding round

TechmindLatest Oct 13

CarbonFarm · €7M Series A TaiSan · £4.7M Seed

2rounds

0led

Climate tech 2

Seed 1, Series A 1

Oct 13, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

CarbonFarm €7M Series A TaiSan £4.7M Seed

G2 Venture PartnersLatest Oct 12

1KOMMA5° · ~€70M Equity financing Antora Energy · $550M Series C

2rounds

1led

Climate tech 2

Series C+ 1, Undisclosed 1

Oct 12, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

1KOMMA5° ~€70M Equity financing Antora Energy $550M Series C

FujikuraLatest Oct 8

Helical Fusion · ¥3.2B Series B second close Starlight Engine · $37.4M Series A

2rounds

0led

Climate tech 2

Series A 1, Series B 1

Oct 8, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Helical Fusion ¥3.2B Series B second close Starlight Engine $37.4M Series A

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

100

alfa8Latest Sep 29

Reverion · $175M Series B Sage Geosystems · $97M Series B

2rounds

0led

Climate tech 2

Series B 2

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Reverion $175M Series B Sage Geosystems $97M Series B

101

AllianzLatest Sep 29

Reverion · $175M Series B Entrix · €43M Growth

2rounds

0led

Climate tech 2

Growth 1, Series B 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series B 1

Reverion $175M Series B Entrix €43M Growth

102

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

103

Gates FrontierLatest Sep 29

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

2rounds

0led

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

104

KfW CapitalLatest Sep 29

Reverion · $175M Series B Proxima Fusion · €411M Growth

2rounds

0led

Climate tech 2

Growth 1, Series B 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series B 1

Reverion $175M Series B Proxima Fusion €411M Growth

105

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

106

Siemens Financial ServicesLatest Sep 29

Hertha Metals · $133.7M Series A 38 Degrees North · $260M Credit facility

2rounds

0led

Climate tech 1Industrial tech 1

Series A 1, Undisclosed 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

Hertha Metals $133.7M Series A 38 Degrees North $260M Credit facility

107

Triple Impact VenturesLatest Sep 29

Cotierra · €2.6M Funding round Ki 13 · $5M Seed

2rounds

0led

Climate tech 2

Seed 1, Undisclosed 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Cotierra €2.6M Funding round Ki 13 $5M Seed

108

UVC PartnersLatest Sep 29

Reverion · $175M Series B Proxima Fusion · €411M Growth

2rounds

0led

Climate tech 2

Growth 1, Series B 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series B 1

Reverion $175M Series B Proxima Fusion €411M Growth

109

Dylan FieldLatest Sep 24

Solcoa Industries · $75M Seed financing; equity, debt, and equipment financing Panthalassa · $140M Series B

2rounds

0led

Climate tech 1Industrial tech 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 Panthalassa $140M Series B

110

J.P. MorganLatest Sep 24

Solcoa Industries · $75M Seed financing; equity, debt, and equipment financing Heron Power · $60M Credit facility

2rounds

—led

Climate tech 1Industrial tech 1

Seed 1, Undisclosed 1

Sep 24, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Solcoa Industries $75M Seed financing; equity, debt, and equipment financing Heron Power $60M Credit facility

111

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

112

HillwoodLatest Sep 23

American Supercritical · $8M Pre-seed Hexivon · Undisclosed Strategic

2rounds

0led

Climate tech 2

Pre-seed 1, Undisclosed 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Undisclosed 1

American Supercritical $8M Pre-seed Hexivon Undisclosed Strategic

113

Riot VenturesLatest Sep 23

American Supercritical · $8M Pre-seed Valar Atomics · $1B Series B

2rounds

0led

Climate tech 2

Pre-seed 1, Series B 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Series B 1

American Supercritical $8M Pre-seed Valar Atomics $1B Series B

114

Sofinnova PartnersLatest Sep 23

EnginZyme · SEK 75M Equity round P2 Science · $23M Undisclosed

2rounds

0led

Biotech 1Climate tech 1

Undisclosed 2

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Undisclosed 2

EnginZyme SEK 75M Equity round P2 Science $23M Undisclosed

115

Active Impact InvestmentsLatest Sep 21

Fluxnium, Inc. · $7M Seed Branch Energy · $33M Series B

2rounds

0led

Climate tech 2

Seed 1, Series B 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Fluxnium, Inc. $7M Seed Branch Energy $33M Series B

116

DCVCLatest Sep 21

Rainmaker · $100M Series B Chariot Defense · $34M Series A

2rounds

0led

Climate tech 1Defense tech 1

Series A 1, Series B 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Rainmaker $100M Series B Chariot Defense $34M Series A

117

Dream VenturesLatest Sep 21

Rainmaker · $100M Series B Valar Atomics · $1B Series B

2rounds

0led

Climate tech 2

Series B 2

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Rainmaker $100M Series B Valar Atomics $1B Series B

118

Love VenturesLatest Sep 21

Metris Energy · $5M Seed Verna · $4M Undisclosed

2rounds

0led

Climate tech 1Enterprise software 1

Seed 1, Undisclosed 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Metris Energy $5M Seed Verna $4M Undisclosed

119

Octopus VenturesLatest Sep 21

Metris Energy · $5M Seed Greenpixie · £4.7M Pre-Series A

2rounds

1led

Climate tech 2

Seed 1, Undisclosed 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Metris Energy $5M Seed Greenpixie £4.7M Pre-Series A

120

NRW.BANKLatest Sep 18

NUNOS · €570K Pre-Seed Co-Reactive · €6.5M Seed

2rounds

0led

Agritech 1Climate tech 1

Pre-seed 1, Seed 1

Sep 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

NUNOS €570K Pre-Seed Co-Reactive €6.5M Seed

“—” 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.