Most active investors · Last 90 days

Ranked by rounds participated in, from announcements in Jul 27, 2026 – Oct 24, 2026. Lead counts include only confirmed lead roles.

Maverick SiliconLatest Oct 19

Tenstorrent · $1.5B Series E Mueon · $65M Series A

10rounds

3led

Hardware 9AI 1

Series C+ 4, Series A 3, Series B 3

Oct 19, 2026

Details

New companies 10 · Follow-on 0

Stages: Series C+ 4, Series A 3, Series B 3

Tenstorrent $1.5B Series E Mueon $65M Series A CScale $145M Series C

Valor Equity PartnersLatest Sep 30

CScale · $145M Series C Impulse Space · $308M Series D extension

8rounds

4led

Hardware 4Climate tech 2Defense tech 1

Series C+ 6, Growth 1, Series B 1

Sep 30, 2026

Details

New companies 7 · Follow-on 1

Stages: Series C+ 6, Growth 1, Series B 1

CScale $145M Series C Impulse Space $308M Series D extension Positron AI ≤$875M Series C and Series C-1 financing package

Atreides ManagementLatest Sep 30

CScale · $145M Series C Positron AI · ≤$875M Series C and Series C-1 financing package

7rounds

3led

Hardware 6Climate tech 1

Series C+ 5, Growth 1, Series B 1

Sep 30, 2026

Details

New companies 5 · Follow-on 2

Stages: Series C+ 5, Growth 1, Series B 1

CScale $145M Series C Positron AI ≤$875M Series C and Series C-1 financing package Celero Communications $275M Series C

EclipseLatest Oct 19

Tenstorrent · $1.5B Series E Oxide Computer Company · $445M Series D

6rounds

3led

Climate tech 2Hardware 2AI 1

Series C+ 4, Pre-seed 1, Undisclosed 1

Oct 19, 2026

Details

New companies 4 · Follow-on 2

Stages: Series C+ 4, Pre-seed 1, Undisclosed 1

Tenstorrent $1.5B Series E Oxide Computer Company $445M Series D Efficient Computer $100M Additional funding

NVIDIALatest Oct 13

Riverlane · Undisclosed Planned strategic investment CScale · $145M Series C

6rounds

0led

Hardware 5Space tech 1

Series B 2, Undisclosed 2, Series A 1, Series C+ 1

Oct 13, 2026

Details

New companies 6 · Follow-on 0

Stages: Series B 2, Undisclosed 2, Series A 1, Series C+ 1

Riverlane Undisclosed Planned strategic investment CScale $145M Series C Ayar Labs $150M Additional funding

Spark CapitalLatest Sep 16

Rune · $40M Series A TAR · $120M Series A

6rounds

3led

Climate tech 2Space tech 2Defense tech 1

Series C+ 4, Series A 2

Sep 16, 2026

Details

New companies 6 · Follow-on 0

Stages: Series C+ 4, Series A 2

Rune $40M Series A TAR $120M Series A Stoke Space Technologies $1B Series E initial closing

Hudson River TradingLatest Oct 14

Salience Labs · $125M Series B PicoJool · $27.5M Series A

5rounds

0led

Hardware 5

Series B 3, Series A 1, Series C+ 1

Oct 14, 2026

Details

New companies 5 · Follow-on 0

Stages: Series B 3, Series A 1, Series C+ 1

Salience Labs $125M Series B PicoJool $27.5M Series A Polaris Electro-Optics $50M Series B

Y Combinator (YC)Latest Sep 8

Stoke Space Technologies · $1B Series E initial closing Wafer · $40M Series A

5rounds

0led

Space tech 2AI 1Climate tech 1

Seed 2, Series A 1, Series C+ 1, Undisclosed 1

Sep 8, 2026

Details

New companies 4 · Follow-on 1

Stages: Seed 2, Series A 1, Series C+ 1, Undisclosed 1

Stoke Space Technologies $1B Series E initial closing Wafer $40M Series A Apollo Atomics $31M Seed

Fidelity Management & Research CompanyLatest Oct 19

Tenstorrent · $1.5B Series E SiMa.ai · $150M Series C

4rounds

1led

AI 2Hardware 2

Series C+ 3, Growth 1

Oct 19, 2026

Details

New companies 3 · Follow-on 1

Stages: Series C+ 3, Growth 1

Tenstorrent $1.5B Series E SiMa.ai $150M Series C Lyte $165M Series C

Intel CapitalLatest Oct 15

Mueon · $65M Series A Salience Labs · $125M Series B

4rounds

0led

Hardware 4

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

Oct 15, 2026

Details

New companies 4 · Follow-on 0

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

Mueon $65M Series A Salience Labs $125M Series B CScale $145M Series C

Alumni VenturesLatest Oct 7

MintNeuro · $5M Undisclosed TeRAM · $37M Funding

4rounds

0led

Hardware 2Climate tech 1Defense tech 1

Undisclosed 2, Seed 1, Series A 1

Oct 7, 2026

Details

New companies 4 · Follow-on 0

Stages: Undisclosed 2, Seed 1, Series A 1

MintNeuro $5M Undisclosed TeRAM $37M Funding SiFly Aviation $20M Series A

Andreessen Horowitz (a16z)Latest Oct 5

Ghost · $11M Seed Castelion · $1B Series C

4rounds

1led

Hardware 2Climate tech 1Defense tech 1

Series C+ 3, Seed 1

Oct 5, 2026

Details

New companies 3 · Follow-on 1

Stages: Series C+ 3, Seed 1

Ghost $11M Seed Castelion $1B Series C Etched $700M Series D

StepStone GroupLatest Sep 28

SiMa.ai · $150M Series C Fab2 · $500M Series A

4rounds

0led

Hardware 2AI 1Climate tech 1

Series A 2, Series C+ 2

Sep 28, 2026

Details

New companies 4 · Follow-on 0

Stages: Series A 2, Series C+ 2

SiMa.ai $150M Series C Fab2 $500M Series A Velaura AI $110M Series A

Sequoia CapitalLatest Sep 10

Mach Industries · $600M Series C continuation Etched · $700M Series D

4rounds

1led

Defense tech 2Climate tech 1Hardware 1

Series C+ 3, Series B 1

Sep 10, 2026

Details

New companies 2 · Follow-on 2

Stages: Series C+ 3, Series B 1

Mach Industries $600M Series C continuation Etched $700M Series D Neros Technologies $250M Series C

PluralLatest Sep 8

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

4rounds

0led

AI 1Climate tech 1Hardware 1

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

Sep 8, 2026

Details

New companies 4 · Follow-on 0

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

The Exploration Company $450M Series C Callosum $100M Seed Ore Energy $43M Series A

LightspeedLatest Aug 24

Airbound · $37M Series A Castelion · $1B Series C

4rounds

0led

Climate tech 1Defense tech 1Logistics 1

Series C+ 3, Series A 1

Aug 24, 2026

Details

New companies 4 · Follow-on 0

Stages: Series C+ 3, Series A 1

Airbound $37M Series A Castelion $1B Series C Base Power $1B Series D

Brabant Development Agency (BOM)Latest Oct 21

Photon Bridge · €10M Undisclosed Morphotonics · >€40M Series B

3rounds

0led

AI 1Hardware 1Industrial tech 1

Series A 1, Series B 1, Undisclosed 1

Oct 21, 2026

Details

New companies 3 · Follow-on 0

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

Photon Bridge €10M Undisclosed Morphotonics >€40M Series B EUCLYD >€200M Series A

Innovation IndustriesLatest Oct 21

Photon Bridge · €10M Undisclosed Morphotonics · >€40M Series B

3rounds

1led

AI 1Hardware 1Industrial tech 1

Series A 1, Series B 1, Undisclosed 1

Oct 21, 2026

Details

New companies 3 · Follow-on 0

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

Photon Bridge €10M Undisclosed Morphotonics >€40M Series B EUCLYD >€200M Series A

Lifeline VenturesLatest Oct 20

Coherence Quantum · €2.8M Seed S-Transistors · €2.6M Pre-seed

3rounds

2led

Hardware 2Space tech 1

Pre-seed 1, Seed 1, Undisclosed 1

Oct 20, 2026

Details

New companies 2 · Follow-on 1

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

Coherence Quantum €2.8M Seed S-Transistors €2.6M Pre-seed Iceye €1B Undisclosed

M VenturesLatest Oct 15

Mueon · $65M Series A Polaris Electro-Optics · $50M Series B

3rounds

0led

Hardware 3

Series A 2, Series B 1

Oct 15, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 2, Series B 1

Mueon $65M Series A Polaris Electro-Optics $50M Series B Quintessent $40M Series A

Join CapitalLatest Oct 8

Iribits · €4M Seed TERASi · €11M Seed

3rounds

3led

Space tech 2Defense tech 1

Seed 2, Series A 1

Oct 8, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Series A 1

Iribits €4M Seed TERASi €11M Seed HyImpulse >€50M Series A extension

Union Square VenturesLatest Oct 8

Mana Battery · Undisclosed Seed financing (investment amount undisclosed)Efficient Computer · $100M Additional funding

3rounds

0led

Climate tech 2Hardware 1

Seed 1, Series A 1, Undisclosed 1

Oct 8, 2026

Details

New companies 2 · Follow-on 1

Stages: Seed 1, Series A 1, Undisclosed 1

Mana Battery Undisclosed Seed financing (investment amount undisclosed)Efficient Computer $100M Additional funding Rune $40M Series A

Mana VenturesLatest Sep 30

Efficient Computer · $100M Additional funding Soctera · $4M Seed

3rounds

0led

Defense tech 1Hardware 1Industrial tech 1

Seed 2, Undisclosed 1

Sep 30, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Undisclosed 1

Efficient Computer $100M Additional funding Soctera $4M Seed SiteVue AI $7.5M Seed

Foothill VenturesLatest Sep 25

Overlord Labs, Inc. · $4.4M Seed extension Nexstrom · $12M Seed

3rounds

0led

Hardware 3

Seed 2, Series A 1

Sep 25, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Series A 1

Overlord Labs, Inc. $4.4M Seed extension Nexstrom $12M Seed Quintessent $40M Series A

In-Q-TelLatest Sep 24

Locus Lock · Undisclosed Strategic funding TERASi · €11M Seed

3rounds

0led

Defense tech 3

Undisclosed 2, Seed 1

Sep 24, 2026

Details

New companies 3 · Follow-on 0

Stages: Undisclosed 2, Seed 1

Locus Lock Undisclosed Strategic funding TERASi €11M Seed DefendEye Undisclosed Strategic

Socratic PartnersLatest Sep 24

PicoJool · $27.5M Series A Delos Data · >$100M Funding

3rounds

1led

Hardware 2AI 1

Series A 1, Series B 1, Undisclosed 1

Sep 24, 2026

Details

New companies 3 · Follow-on 0

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

PicoJool $27.5M Series A Delos Data >$100M Funding Polaris Electro-Optics $50M Series B

TechstarsLatest Sep 24

Locus Lock · Undisclosed Strategic funding O-ID · $1M Pre-seed

3rounds

0led

Climate tech 1Defense tech 1Robotics 1

Pre-seed 1, Seed 1, Undisclosed 1

Sep 24, 2026

Details

New companies 3 · Follow-on 0

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

Locus Lock Undisclosed Strategic funding O-ID $1M Pre-seed Boldr $5M Seed+

PXN VenturesLatest Sep 23

CSignum · £2.6M Follow-on funding SCI Semiconductor · £5M Funding round

3rounds

2led

Climate tech 1Cybersecurity 1Hardware 1

Undisclosed 3

Sep 23, 2026

Details

New companies 3 · Follow-on 0

Stages: Undisclosed 3

CSignum £2.6M Follow-on funding SCI Semiconductor £5M Funding round Advanced Electric Machines Group £16M Funding round

Navigare VenturesLatest Sep 22

TERASi · €11M Seed Solinide Photonics · €4M Seed

3rounds

0led

Hardware 2Defense tech 1

Seed 2, Series B 1

Sep 22, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Series B 1

TERASi €11M Seed Solinide Photonics €4M Seed SweGaN $14M Series B

DFJ GrowthLatest Sep 17

Impulse Space · $308M Series D extension Positron AI · ≤$875M Series C and Series C-1 financing package

3rounds

0led

Defense tech 1Hardware 1Space tech 1

Series C+ 3

Sep 17, 2026

Details

New companies 2 · Follow-on 1

Stages: Series C+ 3

Impulse Space $308M Series D extension Positron AI ≤$875M Series C and Series C-1 financing package Cambridge Aerospace $300M Series C

“—” 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.