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

211

HelenaLatest May 12

Star Catcher Industries · $65M Series A Positron AI · $230M Series B

2rounds

—led

AI 1Space tech 1

Series A 1, Series B 1

May 12, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Star Catcher Industries $65M Series A Positron AI $230M Series B

212

JamJar InvestmentsLatest May 7

Meatly · £10.4M Series A Tewke · £1.5M Seed

2rounds

—led

Climate tech 1Foodtech 1

Seed 1, Series A 1

May 7, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Meatly £10.4M Series A Tewke £1.5M Seed

213

IQ CapitalLatest May 6

Nyobolt · $60M Series C Rivan · $34M Undisclosed

2rounds

—led

Climate tech 2

Series C+ 1, Undisclosed 1

May 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

Nyobolt $60M Series C Rivan $34M Undisclosed

214

LatitudeLatest May 6

Nyobolt · $60M Series C Fuse Energy · $70M Undisclosed

2rounds

0led

Climate tech 2

Series C+ 1, Undisclosed 1

May 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

Nyobolt $60M Series C Fuse Energy $70M Undisclosed

215

Scania InvestLatest May 6

Nyobolt · $60M Series C Rocsys · $13M Series A+

2rounds

—led

Climate tech 1Robotics 1

Series A 1, Series C+ 1

May 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Nyobolt $60M Series C Rocsys $13M Series A+

216

Amazon's Climate Pledge FundLatest May 5

Moment Energy · >$40M Series B X-energy · $700M Series C-1 (final close)

2rounds

1led

Climate tech 2

Series B 1, Series C+ 1

May 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Moment Energy >$40M Series B X-energy $700M Series C-1 (final close)

217

Evok InnovationsLatest May 5

Moment Energy · >$40M Series B DISA Technologies · $33M Strategic

2rounds

—led

Climate tech 2

Series B 1, Undisclosed 1

May 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Undisclosed 1

Moment Energy >$40M Series B DISA Technologies $33M Strategic

218

Resilience ReserveLatest May 4

Panthalassa · $140M Series B Positron AI · $230M Series B

2rounds

—led

AI 1Climate tech 1

Series B 2

May 4, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Panthalassa $140M Series B Positron AI $230M Series B

219

Susquehanna Sustainable InvestmentsLatest May 4

Panthalassa · $140M Series B Derapi · $7M Seed

2rounds

—led

Climate tech 2

Seed 1, Series B 1

May 4, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Panthalassa $140M Series B Derapi $7M Seed

220

UnlessLatest May 4

Panthalassa · $140M Series B Positron AI · $230M Series B

2rounds

—led

AI 1Climate tech 1

Series B 2

May 4, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Panthalassa $140M Series B Positron AI $230M Series B

221

VeritenLatest Apr 30

DISA Technologies · $33M Strategic Helix Earth · $12M Seed2

2rounds

—led

Climate tech 2

Seed 1, Undisclosed 1

Apr 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

DISA Technologies $33M Strategic Helix Earth $12M Seed2

222

TesiLatest Apr 24

Verda · $117M Undisclosed Capalo AI · €11M Series A

2rounds

—led

AI 1Climate tech 1

Series A 1, Undisclosed 1

Apr 24, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

Verda $117M Undisclosed Capalo AI €11M Series A

223

Ananda Impact VenturesLatest Apr 23

Decade Energy · €22M Undisclosed AIRMO · €5M Seed

2rounds

1led

Climate tech 2

Seed 1, Undisclosed 1

Apr 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Decade Energy €22M Undisclosed AIRMO €5M Seed

224

Contrarian VenturesLatest Apr 23

Decade Energy · €22M Undisclosed Delfos Energy · €3M Seed+

2rounds

—led

AI 1Climate tech 1

Seed 1, Undisclosed 1

Apr 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Decade Energy €22M Undisclosed Delfos Energy €3M Seed+

225

Kopa VenturesLatest Apr 23

VREY · €3.3M Seed AIRMO · €5M Seed

2rounds

0led

Climate tech 2

Seed 2

Apr 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

VREY €3.3M Seed AIRMO €5M Seed

226

Angel InvestLatest Apr 21

Bubble Robotics · $5M Pre-Seed Einklang · €2.2M Seed

2rounds

—led

Climate tech 1Robotics 1

Pre-seed 1, Seed 1

Apr 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

Bubble Robotics $5M Pre-Seed Einklang €2.2M Seed

227

FundomoLatest Apr 20

Rivan · $34M Undisclosed Standard Nuclear · $140M Series A

2rounds

—led

Climate tech 2

Series A 1, Undisclosed 1

Apr 20, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

Rivan $34M Undisclosed Standard Nuclear $140M Series A

228

Fine Structure VenturesLatest Apr 13

pH7 Technologies · CA$55M Series B DG Matrix · $60M Series A

2rounds

—led

Climate tech 2

Series A 1, Series B 1

Apr 13, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

pH7 Technologies CA$55M Series B DG Matrix $60M Series A

229

TWG GlobalLatest Apr 13

Slate Auto · $650M Series C BluePath Finance · Undisclosed Strategic

2rounds

—led

Climate tech 1Mobility 1

Series C+ 1, Undisclosed 1

Apr 13, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

Slate Auto $650M Series C BluePath Finance Undisclosed Strategic

230

Climate InvestmentLatest Apr 9

Membrane Technology & Research · $27M Series B Via Separations · $36M Undisclosed

2rounds

—led

Climate tech 2

Series B 1, Undisclosed 1

Apr 9, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Undisclosed 1

Membrane Technology & Research $27M Series B Via Separations $36M Undisclosed

231

Hartree PartnersLatest Apr 9

Membrane Technology & Research · $27M Series B Hydrosat · $60M Series B and additional equity

2rounds

1led

Climate tech 1Space tech 1

Series B 2

Apr 9, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Membrane Technology & Research $27M Series B Hydrosat $60M Series B and additional equity

232

Wireframe VenturesLatest Apr 8

Sora Fuel · $14.6M Undisclosed Cocoon Carbon · $15M Series A

2rounds

—led

Climate tech 2

Series A 1, Undisclosed 1

Apr 8, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

Sora Fuel $14.6M Undisclosed Cocoon Carbon $15M Series A

233

Molten VenturesLatest Apr 1

Manna Air Delivery · $50M Series B SatVu · £30M Series A

2rounds

—led

Logistics 1Space tech 1

Series A 1, Series B 1

Apr 1, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Manna Air Delivery $50M Series B SatVu £30M Series A

234

BNP Paribas Solar Impulse Venture FundLatest Mar 25

Entrix · €43M Growth OroraTech · Undisclosed Series B extended to €37m cumulative total

2rounds

1led

Climate tech 1Space tech 1

Growth 1, Series B 1

Mar 25, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series B 1

Entrix €43M Growth OroraTech Undisclosed Series B extended to €37m cumulative total

235

General CatalystLatest Mar 19

Claros · $30M Seed Chariot Defense · $34M Series A

2rounds

—led

Climate tech 1Defense tech 1

Seed 1, Series A 1

Mar 19, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Claros $30M Seed Chariot Defense $34M Series A

236

Trenches CapitalLatest Mar 19

Claros · $30M Seed Chariot Defense · $34M Series A

2rounds

—led

Climate tech 1Defense tech 1

Seed 1, Series A 1

Mar 19, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Claros $30M Seed Chariot Defense $34M Series A

237

RedstoneLatest Mar 18

Homaio · €3.6M Seed Carbonaide · €3.7M Undisclosed

2rounds

—led

Climate tech 2

Seed 1, Undisclosed 1

Mar 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Homaio €3.6M Seed Carbonaide €3.7M Undisclosed

238

Samsung VenturesLatest Mar 17

GridBeyond · €12M Growth Amperon · Undisclosed Undisclosed

2rounds

—led

Climate tech 2

Growth 1, Undisclosed 1

Mar 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Undisclosed 1

GridBeyond €12M Growth Amperon Undisclosed Undisclosed

239

Understorey VenturesLatest Mar 17

Rubi · $7.5M Undisclosed Transition Metal Solutions · $6M Seed

2rounds

—led

Climate tech 1Industrial tech 1

Seed 1, Undisclosed 1

Mar 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Rubi $7.5M Undisclosed Transition Metal Solutions $6M Seed

240

Sabanci Climate VenturesLatest Mar 16

Halcyon · $21M Series A DG Matrix · $60M Series A

2rounds

—led

Climate tech 2

Series A 2

Mar 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

Halcyon $21M Series A DG Matrix $60M Series A

“—” 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.