Most active investors · All time

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

991

ClavystBioLatest Oct 5

Zenflow · $52M Series D Rejoni · $25M Series A

2rounds

0led

Healthtech 2

Series A 1, Series C+ 1

Oct 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Zenflow $52M Series D Rejoni $25M Series A

992

ValkyrieLatest Oct 5

SafeWorld · $12.2M Seed Physical Superintelligence (PSI) · $58M Seed

2rounds

0led

AI 1Robotics 1

Seed 2

Oct 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

SafeWorld $12.2M Seed Physical Superintelligence (PSI) $58M Seed

993

Noam BrownLatest Oct 2

Conway Research · Undisclosed First financing Basis · $100M Series B

2rounds

0led

AI 1Fintech 1

Series B 1, Undisclosed 1

Oct 2, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Undisclosed 1

Conway Research Undisclosed First financing Basis $100M Series B

994

Rock Yard VenturesLatest Oct 2

Hestus, Inc. · $7.4M Seed Iridius · $8.6M Seed

2rounds

0led

Enterprise software 1Industrial tech 1

Seed 2

Oct 2, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Hestus, Inc. $7.4M Seed Iridius $8.6M Seed

995

BAG CollectiveLatest Oct 1

Satlyt · $8M Seed Bluecore Energy · $40M Seed — additional capital within USD50m financing

2rounds

0led

Climate tech 1Space tech 1

Seed 2

Oct 1, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Satlyt $8M Seed Bluecore Energy $40M Seed — additional capital within USD50m financing

996

Flybridge CapitalLatest Oct 1

Augmeta · $3M Seed Freight Hero · $5M Seed

2rounds

0led

Enterprise software 1Logistics 1

Seed 2

Oct 1, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Augmeta $3M Seed Freight Hero $5M Seed

997

Magnetar CapitalLatest Oct 1

Homeward · $120M Series D TerraFirma · $115M Series A

2rounds

0led

Proptech 2

Series A 1, Series C+ 1

Oct 1, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Homeward $120M Series D TerraFirma $115M Series A

998

Parker89Latest Oct 1

Homeward · $120M Series D Mainstay · >$18M Funding

2rounds

0led

Proptech 2

Series C+ 1, Undisclosed 1

Oct 1, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

Homeward $120M Series D Mainstay >$18M Funding

999

Slauson & Co.Latest Oct 1

Satlyt · $8M Seed Bluecore Energy · $40M Seed — additional capital within USD50m financing

2rounds

0led

Climate tech 1Space tech 1

Seed 2

Oct 1, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Satlyt $8M Seed Bluecore Energy $40M Seed — additional capital within USD50m financing

1000

Z FellowsLatest Oct 1

Photon · $4.5M Seed Vela Energy · $1.3M Pre-Seed

2rounds

1led

Climate tech 1Developer tools 1

Pre-seed 1, Seed 1

Oct 1, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

Photon $4.5M Seed Vela Energy $1.3M Pre-Seed

1001

Blank VenturesLatest Sep 30

Charter Space · $5M Seed Novella · $21M Undisclosed

2rounds

0led

Fintech 2

Seed 1, Undisclosed 1

Sep 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Charter Space $5M Seed Novella $21M Undisclosed

1002

CaffeinatedLatest Sep 30

Varda · $251M Series D Regent · $240M Series B

2rounds

0led

Mobility 1Space tech 1

Series B 1, Series C+ 1

Sep 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Varda $251M Series D Regent $240M Series B

1003

Kyobo LifeLatest Sep 30

GMI Cloud · $223M Series B XCENA · $135M Series B

2rounds

0led

AI 2

Series B 2

Sep 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

GMI Cloud $223M Series B XCENA $135M Series B

1004

Bain Capital Tech OpportunitiesLatest Sep 29

Kahua · Undisclosed Minority growth investment RQD* Clearing · $74M Strategic

2rounds

0led

Enterprise software 1Fintech 1

Growth 1, Undisclosed 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Undisclosed 1

Kahua Undisclosed Minority growth investment RQD* Clearing $74M Strategic

1005

Bankers Helping Bankers FundLatest Sep 29

RiskScout · Undisclosed Undisclosed Reset · $6M Seed

2rounds

0led

Fintech 2

Seed 1, Undisclosed 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

RiskScout Undisclosed Undisclosed Reset $6M Seed

1006

Castle Creek LaunchpadLatest Sep 29

RiskScout · Undisclosed Undisclosed Crux Analytics · $2.2M Seed

2rounds

1led

Fintech 2

Seed 1, Undisclosed 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

RiskScout Undisclosed Undisclosed Crux Analytics $2.2M Seed

1007

Cockrell InterestsLatest Sep 29

ai3Bio · $48M Series A Stellular Bio · Undisclosed Series A

2rounds

0led

Biotech 2

Series A 2

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

ai3Bio $48M Series A Stellular Bio Undisclosed Series A

1008

DataTribeLatest Sep 29

RemoteThreat · $7M Pre-seed Balance Theory · $19M Series A

2rounds

1led

Cybersecurity 2

Pre-seed 1, Series A 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Series A 1

RemoteThreat $7M Pre-seed Balance Theory $19M Series A

1009

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

1010

Global PayTech VenturesLatest Sep 29

Jeeves · $110M Series C-1 Cyclops · $20M Series A

2rounds

0led

Fintech 2

Series A 1, Series C+ 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Jeeves $110M Series C-1 Cyclops $20M Series A

1011

Klass CapitalLatest Sep 29

Atomic · $12.5M Series A Legio · $5M Seed

2rounds

1led

AI 1Edtech 1

Seed 1, Series A 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Atomic $12.5M Series A Legio $5M Seed

1012

LatitudeLatest Sep 29

flowscope · $3.8M Seed Breedr · $27M Series B

2rounds

0led

Agritech 1Business services 1

Seed 1, Series B 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

flowscope $3.8M Seed Breedr $27M Series B

1013

O’Shaughnessy VenturesLatest Sep 29

MoneyStack · $1M Undisclosed Stability AI · ~$80M Recapitalisation investment

2rounds

0led

AI 1Healthtech 1

Undisclosed 2

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Undisclosed 2

MoneyStack $1M Undisclosed Stability AI ~$80M Recapitalisation investment

1014

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

1015

WintermuteLatest Sep 29

Jeeves · $110M Series C-1 Silicon Data · $30.5M Series A

2rounds

0led

Fintech 2

Series A 1, Series C+ 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Jeeves $110M Series C-1 Silicon Data $30.5M Series A

1016

Ziff Capital PartnersLatest Sep 29

ai3Bio · $48M Series A Stellular Bio · Undisclosed Series A

2rounds

1led

Biotech 2

Series A 2

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

ai3Bio $48M Series A Stellular Bio Undisclosed Series A

1017

AmplifyLatest Sep 28

SiMa.ai · $150M Series C Temporal · $550M Series E

2rounds

1led

AI 1Developer tools 1

Series C+ 2

Sep 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

SiMa.ai $150M Series C Temporal $550M Series E

1018

Baron CapitalLatest Sep 28

SiMa.ai · $150M Series C The Boring Company · $3B Series D

2rounds

0led

AI 1Mobility 1

Series C+ 2

Sep 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

SiMa.ai $150M Series C The Boring Company $3B Series D

1019

Copper Sky CapitalLatest Sep 28

Menos AI · $5.1M Pre-A financing MyDecisive · $12M Seed

2rounds

1led

Developer tools 1Fintech 1

Seed 1, Undisclosed 1

Sep 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Menos AI $5.1M Pre-A financing MyDecisive $12M Seed

1020

Emergent VenturesLatest Sep 28

Autoheal · $7.9M Seed BambooBox · $6.6M Seed

2rounds

0led

Developer tools 1Enterprise software 1

Seed 2

Sep 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Autoheal $7.9M Seed BambooBox $6.6M 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.