Most active investors · All time

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

Y Combinator (YC)Latest Oct 13

Clueso · $10M Series A Santé · $15M Series A

52rounds

0led

Fintech 11AI 8Enterprise software 7

Series A 52

Oct 13, 2026

Details

New companies 52 · Follow-on 0

Stages: Series A 52

Clueso $10M Series A Santé $15M Series A Flai $27M Series A

Andreessen Horowitz (a16z)Latest Oct 20

Eka Robotics · $150M Series A TypeSafe AI · $870M Series A

29rounds

9led

AI 9Enterprise software 4Healthtech 3

Series A 29

Oct 20, 2026

Details

New companies 29 · Follow-on 0

Stages: Series A 29

Eka Robotics $150M Series A TypeSafe AI $870M Series A Sharp Performance $18M Series A

General CatalystLatest Oct 20

Baba · $40M Series A Melius · $20M Series A

24rounds

1led

Healthtech 8Fintech 4Defense tech 3

Series A 24

Oct 20, 2026

Details

New companies 23 · Follow-on 1

Stages: Series A 24

Baba $40M Series A Melius $20M Series A Disha (formerly Curelink) ₹438.8M Series A

LightspeedLatest Oct 22

Warp Sciences · $215M Series A Zenzap · Undisclosed Series A (incremental amount undisclosed)

21rounds

4led

Enterprise software 6AI 5Fintech 4

Series A 21

Oct 22, 2026

Details

New companies 21 · Follow-on 0

Stages: Series A 21

Warp Sciences $215M Series A Zenzap Undisclosed Series A (incremental amount undisclosed)Avarra $17M Series A

Alumni VenturesLatest Oct 15

Chariot Claims · $10M Series A RegCell, Inc. · $44M Series A

21rounds

0led

Defense tech 4AI 3Enterprise software 3

Series A 21

Oct 15, 2026

Details

New companies 21 · Follow-on 0

Stages: Series A 21

Chariot Claims $10M Series A RegCell, Inc. $44M Series A Lightfield $47M Series A

Bessemer Venture PartnersLatest Oct 21

Mach9 · $34M Series A Zenzap · Undisclosed Series A (incremental amount undisclosed)

19rounds

5led

Fintech 4AI 3Enterprise software 3

Series A 19

Oct 21, 2026

Details

New companies 17 · Follow-on 2

Stages: Series A 19

Mach9 $34M Series A Zenzap Undisclosed Series A (incremental amount undisclosed)Graph AI $13.3M Series A

AccelLatest Oct 20

Arda Industries · $160M Series A Arivihan · ₹958.6M Series A

17rounds

2led

AI 5Cybersecurity 3Industrial tech 3

Series A 17

Oct 20, 2026

Details

New companies 16 · Follow-on 1

Stages: Series A 17

Arda Industries $160M Series A Arivihan ₹958.6M Series A Nuance Labs $50M Series A

Khosla VenturesLatest Oct 20

Arda Industries · $160M Series A Hertha Metals · $133.7M Series A

14rounds

3led

AI 4Defense tech 2Industrial tech 2

Series A 14

Oct 20, 2026

Details

New companies 14 · Follow-on 0

Stages: Series A 14

Arda Industries $160M Series A Hertha Metals $133.7M Series A Astrus $12M Series A

Index VenturesLatest Oct 21

Flapping Airplanes · $1B Series A Duvo · $32M Series A

12rounds

3led

Fintech 6AI 2Climate tech 1

Series A 12

Oct 21, 2026

Details

New companies 11 · Follow-on 1

Stages: Series A 12

Flapping Airplanes $1B Series A Duvo $32M Series A Nomos €20M Series A

8VCLatest Oct 20

Arda Industries · $160M Series A Vals AI · $40M Series A

12rounds

0led

AI 3Fintech 3Biotech 2

Series A 12

Oct 20, 2026

Details

New companies 12 · Follow-on 0

Stages: Series A 12

Arda Industries $160M Series A Vals AI $40M Series A Luminary $22M Series A

CRVLatest Oct 6

Melius · $20M Series A Raindrop · Undisclosed Series A

11rounds

2led

AI 3Healthtech 3Consumer 1

Series A 11

Oct 6, 2026

Details

New companies 11 · Follow-on 0

Stages: Series A 11

Melius $20M Series A Raindrop Undisclosed Series A Cradlewise $12M Series A

Menlo VenturesLatest Oct 22

Warp Sciences · $215M Series A Sleuth · $22M Series A

10rounds

0led

AI 4Enterprise software 3Defense tech 2

Series A 10

Oct 22, 2026

Details

New companies 9 · Follow-on 1

Stages: Series A 10

Warp Sciences $215M Series A Sleuth $22M Series A Sapiom $35M Series A

First Round CapitalLatest Oct 21

Mach9 · $34M Series A Flai · $27M Series A

10rounds

1led

Enterprise software 4Fintech 2AI 1

Series A 10

Oct 21, 2026

Details

New companies 10 · Follow-on 0

Stages: Series A 10

Mach9 $34M Series A Flai $27M Series A Healia $14M Series A

FelicisLatest Oct 20

Arda Industries · $160M Series A Magentic · $18M Series A

10rounds

2led

Enterprise software 3AI 2Defense tech 2

Series A 10

Oct 20, 2026

Details

New companies 10 · Follow-on 0

Stages: Series A 10

Arda Industries $160M Series A Magentic $18M Series A Sleuth $22M Series A

Salesforce VenturesLatest Oct 7

Flyle · ¥1.9B Series A Emerald AI · $150M Series A

10rounds

0led

AI 3Enterprise software 3Climate tech 1

Series A 10

Oct 7, 2026

Details

New companies 10 · Follow-on 0

Stages: Series A 10

Flyle ¥1.9B Series A Emerald AI $150M Series A GenerativeX $4M Series A

Insight PartnersLatest Sep 17

Kastle · $24M Series A Graph AI · $13.3M Series A

10rounds

2led

Enterprise software 3Fintech 3Biotech 2

Series A 10

Sep 17, 2026

Details

New companies 10 · Follow-on 0

Stages: Series A 10

Kastle $24M Series A Graph AI $13.3M Series A TwoStep Therapeutics $62.5M Series A

Spark CapitalLatest Sep 16

Rune · $40M Series A Piston · $15M Series A

10rounds

2led

Climate tech 3Fintech 3Healthtech 2

Series A 10

Sep 16, 2026

Details

New companies 9 · Follow-on 1

Stages: Series A 10

Rune $40M Series A Piston $15M Series A Piston $15M Series A

GV (Google Ventures)Latest Oct 16

Estuary Biotherapeutics · $93M Series A MokN · $15M Series A

9rounds

0led

AI 2Biotech 2Cybersecurity 2

Series A 9

Oct 16, 2026

Details

New companies 9 · Follow-on 0

Stages: Series A 9

Estuary Biotherapeutics $93M Series A MokN $15M Series A Nectar Social $30M Series A

BoxGroupLatest Oct 14

Fragment · $12M Series A Antioch · $32M Series A

9rounds

0led

AI 2Fintech 2Climate tech 1

Series A 9

Oct 14, 2026

Details

New companies 9 · Follow-on 0

Stages: Series A 9

Fragment $12M Series A Antioch $32M Series A Light $46M Series A

MayfieldLatest Oct 22

Warp Sciences · $215M Series A Velaura AI · $110M Series A

8rounds

0led

Hardware 4AI 2Biotech 1

Series A 8

Oct 22, 2026

Details

New companies 7 · Follow-on 1

Stages: Series A 8

Warp Sciences $215M Series A Velaura AI $110M Series A Bespoke Labs $40M Series A

RA Capital ManagementLatest Oct 16

Estuary Biotherapeutics · $93M Series A Solstice Oncology · $225M Series A

8rounds

3led

Biotech 6Climate tech 1Healthtech 1

Series A 8

Oct 16, 2026

Details

New companies 8 · Follow-on 0

Stages: Series A 8

Estuary Biotherapeutics $93M Series A Solstice Oncology $225M Series A Typewriter Therapeutics $56M Series A

FJ LabsLatest Oct 15

Chariot Claims · $10M Series A Sharp Performance · $18M Series A

8rounds

0led

Fintech 3Enterprise software 2Climate tech 1

Series A 8

Oct 15, 2026

Details

New companies 8 · Follow-on 0

Stages: Series A 8

Chariot Claims $10M Series A Sharp Performance $18M Series A Bidbus $15M Series A

Draper AssociatesLatest Oct 6

Avarra · $17M Series A Aurelius Systems · $40M Series A

8rounds

0led

Defense tech 2AI 1Biotech 1

Series A 8

Oct 6, 2026

Details

New companies 8 · Follow-on 0

Stages: Series A 8

Avarra $17M Series A Aurelius Systems $40M Series A Syntax Bio $14.4M Series A+

Coinbase VenturesLatest Aug 5

Sapiom · $35M Series A Cyclops · $20M Series A

8rounds

—led

Fintech 7AI 1

Series A 8

Aug 5, 2026

Details

New companies 7 · Follow-on 1

Stages: Series A 8

Sapiom $35M Series A Cyclops $20M Series A Velocity $38M Series A

Lux CapitalLatest Oct 22

Warp Sciences · $215M Series A Flapping Airplanes · $1B Series A

7rounds

1led

Biotech 3AI 2Defense tech 1

Series A 7

Oct 22, 2026

Details

New companies 7 · Follow-on 0

Stages: Series A 7

Warp Sciences $215M Series A Flapping Airplanes $1B Series A Layup Parts $42M Series A

Sequoia CapitalLatest Oct 9

TypeSafe AI · $870M Series A Magentic · $18M Series A

7rounds

1led

AI 4Fintech 2Enterprise software 1

Series A 7

Oct 9, 2026

Details

New companies 7 · Follow-on 0

Stages: Series A 7

TypeSafe AI $870M Series A Magentic $18M Series A Trajectory $40M Series A

CreandumLatest Oct 6

Procuros · €20M Series A Jack & Jill · $40M Series A

7rounds

0led

Enterprise software 3Fintech 2Business services 1

Series A 7

Oct 6, 2026

Details

New companies 6 · Follow-on 1

Stages: Series A 7

Procuros €20M Series A Jack & Jill $40M Series A Passionfroot $15M Series A

Bain Capital VenturesLatest Sep 22

Ande · Undisclosed Series A Feathery · $30M Series A

7rounds

—led

Cybersecurity 2AI 1Enterprise software 1

Series A 7

Sep 22, 2026

Details

New companies 7 · Follow-on 0

Stages: Series A 7

Ande Undisclosed Series A Feathery $30M Series A TerraFirma $115M Series A

Pear VCLatest Sep 22

Vals AI · $40M Series A Piston · $15M Series A

7rounds

0led

AI 2Fintech 2Healthtech 2

Series A 7

Sep 22, 2026

Details

New companies 6 · Follow-on 1

Stages: Series A 7

Vals AI $40M Series A Piston $15M Series A Piston $15M Series A

Founders FundLatest Aug 26

Voya Energy · $35M Series A Hydra Host · $100M Series A

7rounds

—led

Defense tech 3AI 2Climate tech 2

Series A 7

Aug 26, 2026

Details

New companies 7 · Follow-on 0

Stages: Series A 7

Voya Energy $35M Series A Hydra Host $100M Series A Poetic $50M 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.