US startup investors — October 2026 · Oct 1, 2026 – Oct 31, 2026

Recent funding activity in US startups, organised by investor and their role in each round.

Alpha Square GroupLatest Oct 22

Coast · $35M Undisclosed SafeWorld · $12.2M Seed

2rounds

0led

Fintech 1Robotics 1

Seed 1, Undisclosed 1

Oct 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Coast $35M Undisclosed SafeWorld $12.2M Seed

ARK InvestLatest Oct 22

Warhound · $200M Seed Tenstorrent · $1.5B Series E

2rounds

0led

AI 1Defense tech 1

Seed 1, Series C+ 1

Oct 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

Warhound $200M Seed Tenstorrent $1.5B Series E

Better Tomorrow VenturesLatest Oct 22

Coast · $35M Undisclosed Town · $108M Series B

2rounds

0led

AI 1Fintech 1

Series B 1, Undisclosed 1

Oct 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Undisclosed 1

Coast $35M Undisclosed Town $108M Series B

Breyer CapitalLatest Oct 22

Warhound · $200M Seed Soufflé Therapeutics · $135M Series B

2rounds

0led

Biotech 1Defense tech 1

Seed 1, Series B 1

Oct 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Warhound $200M Seed Soufflé Therapeutics $135M Series B

CAZ InvestmentsLatest Oct 22

Warhound · $200M Seed ICON · $200M Series D

2rounds

0led

Defense tech 1Robotics 1

Seed 1, Series C+ 1

Oct 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

Warhound $200M Seed ICON $200M Series D

In-Q-TelLatest Oct 22

Warhound · $200M Seed Armadin · $255.5M Series B

2rounds

0led

Cybersecurity 1Defense tech 1

Seed 1, Series B 1

Oct 22, 2026

Details

New companies 1 · Follow-on 1

Stages: Seed 1, Series B 1

Warhound $200M Seed Armadin $255.5M Series B

South Park CommonsLatest Oct 22

Maxinsights · $30M Seed round Preference Model · $16M Seed

2rounds

0led

AI 1Robotics 1

Seed 2

Oct 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Maxinsights $30M Seed round Preference Model $16M Seed

Bessemer Venture PartnersLatest Oct 21

Mach9 · $34M Series A Soufflé Therapeutics · $135M Series B

2rounds

1led

Biotech 1Enterprise software 1

Series A 1, Series B 1

Oct 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Mach9 $34M Series A Soufflé Therapeutics $135M Series B

Quiet CapitalLatest Oct 21

Mach9 · $34M Series A Homa · $5M Seed

2rounds

1led

Enterprise software 1Proptech 1

Seed 1, Series A 1

Oct 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Mach9 $34M Series A Homa $5M Seed

Brendan FoodyLatest Oct 20

Daytona · $60M Series B Town · $108M Series B

2rounds

0led

AI 1Developer tools 1

Series B 2

Oct 20, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Daytona $60M Series B Town $108M Series B

Chalfen VenturesLatest Oct 20

Helicon · $16.5M Seed Hestus, Inc. · $7.4M Seed

2rounds

0led

Defense tech 1Industrial tech 1

Seed 2

Oct 20, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Helicon $16.5M Seed Hestus, Inc. $7.4M Seed

CVS Health VenturesLatest Oct 20

Baba · $40M Series A Abby Care · $82M Series C

2rounds

0led

Healthtech 2

Series A 1, Series C+ 1

Oct 20, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Baba $40M Series A Abby Care $82M Series C

Endeavor CatalystLatest Oct 20

Electric Plant · $11.2M Seed Arena · $200M Series B

2rounds

0led

Agritech 1AI 1

Seed 1, Series B 1

Oct 20, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Electric Plant $11.2M Seed Arena $200M Series B

F-PrimeLatest Oct 20

Eka Robotics · $150M Series A Zenflow · $52M Series D

2rounds

1led

Healthtech 1Robotics 1

Series A 1, Series C+ 1

Oct 20, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Eka Robotics $150M Series A Zenflow $52M Series D

Genius VenturesLatest Oct 20

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

2rounds

0led

Healthtech 1Media & gaming 1

Series A 2

Oct 20, 2026

Details

New companies 1 · Follow-on 1

Stages: Series A 2

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

Patrick CollisonLatest Oct 20

Daytona · $60M Series B Conway Research · Undisclosed First financing

2rounds

0led

AI 1Developer tools 1

Series B 1, Undisclosed 1

Oct 20, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Undisclosed 1

Daytona $60M Series B Conway Research Undisclosed First financing

Qualcomm VenturesLatest Oct 20

Daytona · $60M Series B Mecka · $60M Series B

2rounds

0led

Developer tools 1Robotics 1

Series B 2

Oct 20, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Daytona $60M Series B Mecka $60M Series B

BenchmarkLatest Oct 19

Greptile · $50M Series B Furientis · $25M Seed

2rounds

0led

Defense tech 1Developer tools 1

Seed 1, Series B 1

Oct 19, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Greptile $50M Series B Furientis $25M Seed

Initialized CapitalLatest Oct 19

Greptile · $50M Series B Hop Aero · $11M Seed

2rounds

1led

Defense tech 1Developer tools 1

Seed 1, Series B 1

Oct 19, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Greptile $50M Series B Hop Aero $11M Seed

Maverick SiliconLatest Oct 19

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

2rounds

1led

AI 1Hardware 1

Series A 1, Series C+ 1

Oct 19, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

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

Operator CollectiveLatest Oct 19

Greptile · $50M Series B Santé · $15M Series A

2rounds

0led

Developer tools 1Enterprise software 1

Series A 1, Series B 1

Oct 19, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Greptile $50M Series B Santé $15M Series A

T. Rowe PriceLatest Oct 19

Tenstorrent · $1.5B Series E Waymo · $5B Term loan

2rounds

0led

AI 1Mobility 1

Series C+ 1, Undisclosed 1

Oct 19, 2026

Details

New companies 1 · Follow-on 1

Stages: Series C+ 1, Undisclosed 1

Tenstorrent $1.5B Series E Waymo $5B Term loan

Bling CapitalLatest Oct 15

CarbonAI · $12M Funding Sunbound · $24M Series A

2rounds

0led

Fintech 2

Series A 1, Undisclosed 1

Oct 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

CarbonAI $12M Funding Sunbound $24M Series A

Circle VenturesLatest Oct 15

Uniform Labs · Undisclosed Seed Fission · $10M Series A

2rounds

0led

Fintech 2

Seed 1, Series A 1

Oct 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Uniform Labs Undisclosed Seed Fission $10M Series A

Fika VenturesLatest Oct 15

Otter Health · $8M Seed Sunbound · $24M Series A

2rounds

1led

Fintech 1Healthtech 1

Seed 1, Series A 1

Oct 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Otter Health $8M Seed Sunbound $24M Series A

GaingelsLatest Oct 15

North.cloud · $60M Series B Satlyt · $8M Seed

2rounds

0led

Enterprise software 1Space tech 1

Seed 1, Series B 1

Oct 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

North.cloud $60M Series B Satlyt $8M Seed

Lowercarbon CapitalLatest Oct 15

Stand · $70M Series C Type One Energy · $200M Series B

2rounds

0led

Climate tech 1Fintech 1

Series B 1, Series C+ 1

Oct 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Stand $70M Series C Type One Energy $200M Series B

Neotribe VenturesLatest Oct 15

Stand · $70M Series C Clueso · $10M Series A

2rounds

0led

Enterprise software 1Fintech 1

Series A 1, Series C+ 1

Oct 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Stand $70M Series C Clueso $10M Series A

Restive VenturesLatest Oct 15

Homa · $5M Seed Beltic · Undisclosed Seed

2rounds

0led

Developer tools 1Proptech 1

Seed 2

Oct 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Homa $5M Seed Beltic Undisclosed Seed

Thrive CapitalLatest Oct 15

Abby Care · $82M Series C Savvy Wealth · $100M Series C

2rounds

0led

Fintech 1Healthtech 1

Series C+ 2

Oct 15, 2026

Details

New companies 1 · Follow-on 1

Stages: Series C+ 2

Abby Care $82M Series C Savvy Wealth $100M 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.