US startup investors · Sep 18, 2026 – Oct 17, 2026

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

Riot VenturesLatest Oct 7

Parallel Systems · $100M Series C American Supercritical · $8M Pre-seed

2rounds

0led

Climate tech 1Logistics 1

Pre-seed 1, Series C+ 1

Oct 7, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Series C+ 1

Parallel Systems $100M Series C American Supercritical $8M Pre-seed

SamsungLatest Oct 7

Mecka · $60M Series B Nous Research · $90M Series B

2rounds

0led

AI 1Robotics 1

Series B 2

Oct 7, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Mecka $60M Series B Nous Research $90M Series B

SignalFireLatest Oct 7

Preference Model · $16M Seed Outmarket AI · $34.5M Series B

2rounds

1led

AI 1Fintech 1

Seed 1, Series B 1

Oct 7, 2026

Details

New companies 1 · Follow-on 1

Stages: Seed 1, Series B 1

Preference Model $16M Seed Outmarket AI $34.5M Series B

.406 VenturesLatest Oct 6

Vitalize · $31M Series A Teal Health · $22M Series A

2rounds

1led

Healthtech 2

Series A 2

Oct 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

Vitalize $31M Series A Teal Health $22M Series A

Eli Lilly and CompanyLatest Oct 6

General Medicine · $120M Series B BigHat Biosciences · $75M Series C

2rounds

0led

Biotech 1Healthtech 1

Series B 1, Series C+ 1

Oct 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

General Medicine $120M Series B BigHat Biosciences $75M Series C

Gradient VenturesLatest Oct 6

Zeroset · $5.2M Pre-Seed Feather Robotics Inc. · $7.6M Pre-seed

2rounds

2led

Developer tools 1Robotics 1

Pre-seed 2

Oct 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 2

Zeroset $5.2M Pre-Seed Feather Robotics Inc. $7.6M Pre-seed

Long Journey VenturesLatest Oct 6

Minerva Humanoids · Undisclosed Pre-Seed Snag · $4M Seed

2rounds

1led

Proptech 1Robotics 1

Pre-seed 1, Seed 1

Oct 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

Minerva Humanoids Undisclosed Pre-Seed Snag $4M Seed

Oak HC/FTLatest Oct 6

Vitalize · $31M Series A Halluminate · $30M Series A

2rounds

2led

AI 1Healthtech 1

Series A 2

Oct 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

Vitalize $31M Series A Halluminate $30M Series A

ParaFiLatest Oct 6

Limited · $18.5M Seed Jeeves · $110M Series C-1

2rounds

0led

Fintech 2

Seed 1, Series C+ 1

Oct 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

Limited $18.5M Seed Jeeves $110M Series C-1

100

AbstractLatest Oct 5

Ghost · $11M Seed Volantis · $88M Series A

2rounds

1led

AI 1Hardware 1

Seed 1, Series A 1

Oct 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Ghost $11M Seed Volantis $88M Series A

101

Alpha Square GroupLatest Oct 5

SafeWorld · $12.2M Seed Menos AI · $5.1M Pre-A financing

2rounds

0led

Fintech 1Robotics 1

Seed 1, Undisclosed 1

Oct 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

SafeWorld $12.2M Seed Menos AI $5.1M Pre-A financing

102

Innovation EndeavorsLatest Oct 5

SafeWorld · $12.2M Seed Autoheal · $7.9M Seed

2rounds

1led

Developer tools 1Robotics 1

Seed 2

Oct 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

SafeWorld $12.2M Seed Autoheal $7.9M Seed

103

Shine CapitalLatest Oct 5

SafeWorld · $12.2M Seed MeantToBe, Inc. · $10.5M Seed

2rounds

0led

Consumer 1Robotics 1

Seed 2

Oct 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

SafeWorld $12.2M Seed MeantToBe, Inc. $10.5M Seed

104

Emerson CollectiveLatest Oct 1

Devoted Health · $555M Series G Teal Health · $22M Series A

2rounds

0led

Healthtech 2

Series A 1, Series C+ 1

Oct 1, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Devoted Health $555M Series G Teal Health $22M Series A

105

In-Q-TelLatest Oct 1

Armadin · $255.5M Series B Locus Lock · Undisclosed Strategic funding

2rounds

0led

Cybersecurity 1Defense tech 1

Series B 1, Undisclosed 1

Oct 1, 2026

Details

New companies 1 · Follow-on 1

Stages: Series B 1, Undisclosed 1

Armadin $255.5M Series B Locus Lock Undisclosed Strategic funding

106

Javelin Venture PartnersLatest Oct 1

Homeward · $120M Series D micro1 · >$100M Series B

2rounds

0led

AI 1Proptech 1

Series B 1, Series C+ 1

Oct 1, 2026

Details

New companies 1 · Follow-on 1

Stages: Series B 1, Series C+ 1

Homeward $120M Series D micro1 >$100M Series B

107

LiveOak VenturesLatest Oct 1

Homeward · $120M Series D RiskScout · Undisclosed Undisclosed

2rounds

1led

Fintech 1Proptech 1

Series C+ 1, Undisclosed 1

Oct 1, 2026

Details

New companies 1 · Follow-on 1

Stages: Series C+ 1, Undisclosed 1

Homeward $120M Series D RiskScout Undisclosed Undisclosed

108

Susa VenturesLatest Oct 1

Volantis · $88M Series A Euka AI · $5M Seed

2rounds

1led

AI 1Ecommerce 1

Seed 1, Series A 1

Oct 1, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Volantis $88M Series A Euka AI $5M Seed

109

Triatomic CapitalLatest Oct 1

Volantis · $88M Series A Efficient Computer · $100M Additional funding

2rounds

0led

AI 1Hardware 1

Series A 1, Undisclosed 1

Oct 1, 2026

Details

New companies 1 · Follow-on 1

Stages: Series A 1, Undisclosed 1

Volantis $88M Series A Efficient Computer $100M Additional funding

110

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

111

Atreides ManagementLatest Sep 30

CScale · $145M Series C General Intuition · $220M Undisclosed

2rounds

1led

AI 1Hardware 1

Series C+ 1, Undisclosed 1

Sep 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

CScale $145M Series C General Intuition $220M Undisclosed

112

CoatueLatest Sep 30

Miter · $40M Series B Instinct · $1B Series C

2rounds

0led

AI 1Enterprise software 1

Series B 1, Series C+ 1

Sep 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Miter $40M Series B Instinct $1B Series C

113

Toyota VenturesLatest Sep 30

Efficient Computer · $100M Additional funding Hertha Metals · $133.7M Series A

2rounds

0led

Hardware 1Industrial tech 1

Series A 1, Undisclosed 1

Sep 30, 2026

Details

New companies 1 · Follow-on 1

Stages: Series A 1, Undisclosed 1

Efficient Computer $100M Additional funding Hertha Metals $133.7M Series A

114

Valor Equity PartnersLatest Sep 30

CScale · $145M Series C General Intuition · $220M Undisclosed

2rounds

1led

AI 1Hardware 1

Series C+ 1, Undisclosed 1

Sep 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

CScale $145M Series C General Intuition $220M Undisclosed

115

AllianceBernsteinLatest Sep 29

Jeeves · $110M Series C-1 SiMa.ai · $150M Series C

2rounds

0led

AI 1Fintech 1

Series C+ 2

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Jeeves $110M Series C-1 SiMa.ai $150M Series C

116

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

117

Quadrille CapitalLatest Sep 29

Reco · $55M Series B extension BigHat Biosciences · $75M Series C

2rounds

0led

Biotech 1Cybersecurity 1

Series B 1, Series C+ 1

Sep 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Reco $55M Series B extension BigHat Biosciences $75M Series C

118

J.P. MorganLatest Sep 28

SiMa.ai · $150M Series C Solcoa Industries · $75M Seed financing; equity, debt, and equipment financing

2rounds

0led

AI 1Industrial tech 1

Seed 1, Series C+ 1

Sep 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

SiMa.ai $150M Series C Solcoa Industries $75M Seed financing; equity, debt, and equipment financing

119

Foundation CapitalLatest Sep 25

Dextr AI · $6.7M Seed CatchBack Cards · $7.8M Seed

2rounds

1led

AI 1Ecommerce 1

Seed 2

Sep 25, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Dextr AI $6.7M Seed CatchBack Cards $7.8M Seed

120

Playground GlobalLatest Sep 25

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

2rounds

1led

Hardware 2

Series A 1, Undisclosed 1

Sep 25, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

Mesa Quantum $11.8M Undisclosed PicoJool $27.5M 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.