Most active investors · All time

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

121

Triatomic CapitalLatest Sep 30

Efficient Computer · $100M Additional funding iPRONICS · $125M Series B

3rounds

0led

Hardware 3

Series A 1, Series B 1, Undisclosed 1

Sep 30, 2026

Details

New companies 2 · Follow-on 1

Stages: Series A 1, Series B 1, Undisclosed 1

Efficient Computer $100M Additional funding iPRONICS $125M Series B Efficient Computer $60M Series A

122

J.P. MorganLatest Sep 28

SiMa.ai · $150M Series C Heron Power · $60M Credit facility

3rounds

0led

AI 1Climate tech 1Space tech 1

Series C+ 2, Undisclosed 1

Sep 28, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Undisclosed 1

SiMa.ai $150M Series C Heron Power $60M Credit facility CesiumAstro $470M Series C

123

Playground GlobalLatest Sep 25

Mesa Quantum · $11.8M Undisclosed PicoJool · $27.5M Series A

3rounds

1led

Hardware 3

Seed 1, Series A 1, Undisclosed 1

Sep 25, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 1, Series A 1, Undisclosed 1

Mesa Quantum $11.8M Undisclosed PicoJool $27.5M Series A Photon Queue $4M Seed

124

Scottish EnterpriseLatest Sep 23

CSignum · £2.6M Follow-on funding Singular Photonics · $2.2M Undisclosed

3rounds

0led

Hardware 3

Undisclosed 2, Seed 1

Sep 23, 2026

Details

New companies 3 · Follow-on 0

Stages: Undisclosed 2, Seed 1

CSignum £2.6M Follow-on funding Singular Photonics $2.2M Undisclosed Quantcore £2.5M Seed

125

Capricorn PartnersLatest Sep 22

HighLife · €80M Financing round Endo Tools Therapeutics · €20M Series C

3rounds

0led

Healthtech 2Robotics 1

Series A 1, Series C+ 1, Undisclosed 1

Sep 22, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 1, Series C+ 1, Undisclosed 1

HighLife €80M Financing round Endo Tools Therapeutics €20M Series C Rocsys $13M Series A+

126

Onsight VenturesLatest Sep 22

TERASi · €11M Seed ZuriQ · $25.5M Seed

3rounds

0led

Hardware 2Defense tech 1

Seed 2, Undisclosed 1

Sep 22, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Undisclosed 1

TERASi €11M Seed ZuriQ $25.5M Seed QuantumDiamonds €15M Undisclosed

127

BANNER VCLatest Sep 17

Impulse Space · $308M Series D extension Impulse Space · $500M Series D

3rounds

—led

Space tech 2Hardware 1

Series C+ 2, Series A 1

Sep 17, 2026

Details

New companies 2 · Follow-on 1

Stages: Series C+ 2, Series A 1

Impulse Space $308M Series D extension Impulse Space $500M Series D Mesh Optical Technologies $50M Series A

128

Linse CapitalLatest Sep 17

Impulse Space · $308M Series D extension Impulse Space · $500M Series D

3rounds

—led

Space tech 2Hardware 1

Series C+ 2, Series B 1

Sep 17, 2026

Details

New companies 2 · Follow-on 1

Stages: Series C+ 2, Series B 1

Impulse Space $308M Series D extension Impulse Space $500M Series D Freeform $67M Series B

129

Scaleup Europe FundLatest Sep 15

EUCLYD · >€200M Series A The Exploration Company · $450M Series C

3rounds

2led

Space tech 2AI 1

Series A 1, Series C+ 1, Undisclosed 1

Sep 15, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 1, Series C+ 1, Undisclosed 1

EUCLYD >€200M Series A The Exploration Company $450M Series C Iceye €1B Undisclosed

130

RTX VenturesLatest Sep 14

Xcimer Energy Corporation · Undisclosed Minority investment Hermeus · $350M Series C

3rounds

0led

Hardware 2Defense tech 1

Series A 1, Series C+ 1, Undisclosed 1

Sep 14, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 1, Series C+ 1, Undisclosed 1

Xcimer Energy Corporation Undisclosed Minority investment Hermeus $350M Series C Efficient Computer $60M Series A

131

Primary Venture PartnersLatest Sep 10

Inspiren · $70M Series C Etched · $700M Series D

3rounds

0led

Developer tools 1Hardware 1Healthtech 1

Series C+ 2, Seed 1

Sep 10, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Seed 1

Inspiren $70M Series C Etched $700M Series D Haiqu $11M Seed

132

Resilience ReserveLatest Sep 10

Positron AI · ≤$875M Series C and Series C-1 financing package Panthalassa · $140M Series B

3rounds

0led

AI 1Climate tech 1Hardware 1

Series B 2, Series C+ 1

Sep 10, 2026

Details

New companies 2 · Follow-on 1

Stages: Series B 2, Series C+ 1

Positron AI ≤$875M Series C and Series C-1 financing package Panthalassa $140M Series B Positron AI $230M Series B

133

Ribbit CapitalLatest Sep 10

Mach Industries · $600M Series C continuation Antora Energy · $550M Series C

3rounds

0led

Defense tech 2Climate tech 1

Series C+ 3

Sep 10, 2026

Details

New companies 2 · Follow-on 1

Stages: Series C+ 3

Mach Industries $600M Series C continuation Antora Energy $550M Series C Mach Industries $300M Series C

134

UnlessLatest Sep 10

Positron AI · ≤$875M Series C and Series C-1 financing package Panthalassa · $140M Series B

3rounds

0led

AI 1Climate tech 1Hardware 1

Series B 2, Series C+ 1

Sep 10, 2026

Details

New companies 2 · Follow-on 1

Stages: Series B 2, Series C+ 1

Positron AI ≤$875M Series C and Series C-1 financing package Panthalassa $140M Series B Positron AI $230M Series B

135

AtomicoLatest Sep 8

The Exploration Company · $450M Series C Callosum · $100M Seed

3rounds

1led

AI 2Space tech 1

Seed 1, Series C+ 1, Undisclosed 1

Sep 8, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 1, Series C+ 1, Undisclosed 1

The Exploration Company $450M Series C Callosum $100M Seed Qutwo €25M Angel

136

FundomoLatest Sep 8

Fab2 · $500M Series A Olix · $312M Series B

3rounds

1led

Hardware 3

Series A 2, Series B 1

Sep 8, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 2, Series B 1

Fab2 $500M Series A Olix $312M Series B OXMIQ Labs $35M Series A

137

Vsquared VenturesLatest Sep 8

Ground A · €9.1M Pre-seed Hyperscale Power · €5M Seed

3rounds

1led

AI 1Defense tech 1Space tech 1

Pre-seed 1, Seed 1, Undisclosed 1

Sep 8, 2026

Details

New companies 3 · Follow-on 0

Stages: Pre-seed 1, Seed 1, Undisclosed 1

Ground A €9.1M Pre-seed Hyperscale Power €5M Seed Morpheus Space $15M Strategic

138

Woven CapitalLatest Sep 8

Stoke Space Technologies · $1B Series E initial closing Stoke Space Technologies · $860M Series D

3rounds

0led

Space tech 3

Series C+ 3

Sep 8, 2026

Details

New companies 2 · Follow-on 1

Stages: Series C+ 3

Stoke Space Technologies $1B Series E initial closing Stoke Space Technologies $860M Series D CesiumAstro $470M Series C

139

Jane StreetLatest Sep 3

Fluidstack · $1.5B Undisclosed Etched · $300M Series C

3rounds

1led

Hardware 2AI 1

Series C+ 2, Undisclosed 1

Sep 3, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Undisclosed 1

Fluidstack $1.5B Undisclosed Etched $300M Series C Oxide Computer Company $200M Series C

140

Ora GlobalLatest Sep 3

Lyte · $165M Series C Cambridge Aerospace · $300M Series C

3rounds

0led

Defense tech 2Hardware 1

Series C+ 2, Seed 1

Sep 3, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Seed 1

Lyte $165M Series C Cambridge Aerospace $300M Series C Traysar $25M Seed

141

BalnordLatest Sep 1

INLEAP Photonics · ~€20M Seed ATMOS Space Cargo · €25.7M Series A

3rounds

0led

Defense tech 2Space tech 1

Pre-seed 1, Seed 1, Series A 1

Sep 1, 2026

Details

New companies 3 · Follow-on 0

Stages: Pre-seed 1, Seed 1, Series A 1

INLEAP Photonics ~€20M Seed ATMOS Space Cargo €25.7M Series A Sapient Perception €2M Pre-Seed

142

CofidesLatest Sep 1

PLD Space · €108M Series C extension Oxford Quantum Circuits · £260M Series C

3rounds

0led

Space tech 2Hardware 1

Series C+ 3

Sep 1, 2026

Details

New companies 2 · Follow-on 1

Stages: Series C+ 3

PLD Space €108M Series C extension Oxford Quantum Circuits £260M Series C PLD Space €180M Series C

143

UVC PartnersLatest Sep 1

INLEAP Photonics · ~€20M Seed Proxima Fusion · €411M Growth

3rounds

1led

Climate tech 1Defense tech 1Healthtech 1

Growth 1, Seed 1, Undisclosed 1

Sep 1, 2026

Details

New companies 3 · Follow-on 0

Stages: Growth 1, Seed 1, Undisclosed 1

INLEAP Photonics ~€20M Seed Proxima Fusion €411M Growth Patronus €11M Undisclosed

144

Shield CapitalLatest Aug 26

SiFly Aviation · $20M Series A Armada · $230M Series B

3rounds

—led

AI 1Defense tech 1Space tech 1

Series A 2, Series B 1

Aug 26, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 2, Series B 1

SiFly Aviation $20M Series A Armada $230M Series B Star Catcher Industries $65M Series A

145

GreenoaksLatest Aug 24

Airbound · $37M Series A ALSO · $150M Series D

3rounds

0led

Logistics 1Mobility 1Robotics 1

Series A 1, Series B 1, Series C+ 1

Aug 24, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 1, Series B 1, Series C+ 1

Airbound $37M Series A ALSO $150M Series D Mind Robotics $400M Series B

146

Humba VenturesLatest Aug 24

Airbound · $37M Series A Clarity Systems · $4.4M Seed

3rounds

—led

Climate tech 1Ecommerce 1Logistics 1

Seed 2, Series A 1

Aug 24, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Series A 1

Airbound $37M Series A Clarity Systems $4.4M Seed AquaPoro Technologies $5M Seed

147

Soma CapitalLatest Aug 21

Starcloud · $250M Series A extension Illuminant Surgical · $8.4M Seed

3rounds

0led

Healthtech 1Mobility 1Space tech 1

Series A 2, Seed 1

Aug 21, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 2, Seed 1

Starcloud $250M Series A extension Illuminant Surgical $8.4M Seed Natilus $28M Series A

148

PSV HafniumLatest Aug 20

Solinide Photonics · €4M Seed Acodyne · €2.5M Pre-Seed

3rounds

—led

Defense tech 1Hardware 1Industrial tech 1

Pre-seed 2, Seed 1

Aug 20, 2026

Details

New companies 3 · Follow-on 0

Stages: Pre-seed 2, Seed 1

Solinide Photonics €4M Seed Acodyne €2.5M Pre-Seed Thiax Undisclosed Pre-Seed

149

General CatalystLatest Aug 19

Castelion · $1B Series C Oratomic · $300M Series A

3rounds

—led

Climate tech 1Defense tech 1Hardware 1

Seed 1, Series A 1, Series C+ 1

Aug 19, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 1, Series A 1, Series C+ 1

Castelion $1B Series C Oratomic $300M Series A Claros $30M Seed

150

Lavrock VenturesLatest Aug 19

Castelion · $1B Series C Casimir · $12M Seed

3rounds

—led

Defense tech 1Hardware 1Space tech 1

Seed 1, Series C+ 1, Undisclosed 1

Aug 19, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 1, Series C+ 1, Undisclosed 1

Castelion $1B Series C Casimir $12M Seed Morpheus Space $15M Strategic

“—” 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.