US startup investors · Jul 20, 2026 – Oct 17, 2026

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

151

Janus Henderson InvestorsLatest Oct 13

Soufflé Therapeutics · $135M Series B Encoded Therapeutics Inc. · $275M Series F

3rounds

0led

Biotech 3

Series C+ 2, Series B 1

Oct 13, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Series B 1

Soufflé Therapeutics $135M Series B Encoded Therapeutics Inc. $275M Series F Epicrispr Biotechnologies $90M Series C

152

Connecticut InnovationsLatest Oct 12

Loops AI · $3.5M Seed UltraSight · $24M Series B2

3rounds

0led

Ecommerce 1Enterprise software 1Healthtech 1

Seed 1, Series A 1, Series B 1

Oct 12, 2026

Details

New companies 3 · Follow-on 0

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

Loops AI $3.5M Seed UltraSight $24M Series B2 Queen One $25M Series A

153

Framework VenturesLatest Oct 9

Ultra Robotics · $50M Series A Mecka · $60M Series B

3rounds

1led

Robotics 2Cybersecurity 1

Series A 1, Series B 1, Undisclosed 1

Oct 9, 2026

Details

New companies 3 · Follow-on 0

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

Ultra Robotics $50M Series A Mecka $60M Series B Cantina $8M Undisclosed

154

Citi VenturesLatest Oct 8

Vesta · $30M Series B Homeward · $120M Series D

3rounds

0led

AI 1Fintech 1Proptech 1

Series C+ 2, Series B 1

Oct 8, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Series B 1

Vesta $30M Series B Homeward $120M Series D Skan AI $63M Series C

155

Dell Technologies CapitalLatest Oct 8

Arena · $200M Series B SiMa.ai · $150M Series C

3rounds

0led

AI 3

Series C+ 2, Series B 1

Oct 8, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Series B 1

Arena $200M Series B SiMa.ai $150M Series C Skan AI $63M Series C

156

Endeavor CatalystLatest Oct 8

Arena · $200M Series B Félix · $200M Series C

3rounds

0led

AI 2Fintech 1

Series C+ 2, Series B 1

Oct 8, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Series B 1

Arena $200M Series B Félix $200M Series C HappyRobot $150M Series C

157

Franklin TempletonLatest Oct 8

Waymo · $5B Term loan Devoted Health · $555M Series G

3rounds

0led

Fintech 1Healthtech 1Mobility 1

Series B 1, Series C+ 1, Undisclosed 1

Oct 8, 2026

Details

New companies 3 · Follow-on 0

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

Waymo $5B Term loan Devoted Health $555M Series G Arch $52M Series B

158

The House FundLatest Oct 8

Arena · $200M Series B Limited · $18.5M Seed

3rounds

0led

AI 2Fintech 1

Seed 2, Series B 1

Oct 8, 2026

Details

New companies 2 · Follow-on 1

Stages: Seed 2, Series B 1

Arena $200M Series B Limited $18.5M Seed SkyPilot $20M Seed

159

Vine VenturesLatest Oct 8

Persona · $10M Undisclosed Melius · $20M Series A

3rounds

1led

AI 1Media & gaming 1Robotics 1

Series A 2, Undisclosed 1

Oct 8, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 2, Undisclosed 1

Persona $10M Undisclosed Melius $20M Series A Maven Robotics $100M Series A

160

Zigg CapitalLatest Oct 8

Vesta · $30M Series B Crusoe · $3.9B Series F (initial close; anticipated total)

3rounds

1led

AI 1Fintech 1Industrial tech 1

Seed 1, Series B 1, Series C+ 1

Oct 8, 2026

Details

New companies 3 · Follow-on 0

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

Vesta $30M Series B Crusoe $3.9B Series F (initial close; anticipated total)Foundational Industries $25M Seed

161

1789 CapitalLatest Oct 7

Nous Research · $90M Series B Crusoe · $3.9B Series F (initial close; anticipated total)

3rounds

0led

AI 2Defense tech 1

Series C+ 2, Series B 1

Oct 7, 2026

Details

New companies 2 · Follow-on 1

Stages: Series C+ 2, Series B 1

Nous Research $90M Series B Crusoe $3.9B Series F (initial close; anticipated total)Hadrian $1.4B Series D

162

Construct CapitalLatest Oct 7

Polygrade · $6.3M Seed BackOps · $42M Series B

3rounds

1led

AI 1Defense tech 1Enterprise software 1

Seed 1, Series B 1, Series C+ 1

Oct 7, 2026

Details

New companies 1 · Follow-on 2

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

Polygrade $6.3M Seed BackOps $42M Series B Hadrian $1.4B Series D

163

Hustle FundLatest Oct 7

Polygrade · $6.3M Seed Charter Space · $5M Seed

3rounds

0led

AI 1Fintech 1Space tech 1

Seed 2, Pre-seed 1

Oct 7, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Pre-seed 1

Polygrade $6.3M Seed Charter Space $5M Seed Orbital Sentry Undisclosed Pre-Seed

164

Qualcomm VenturesLatest Oct 7

Mecka · $60M Series B Lumilens · >$700M Series C

3rounds

0led

Cybersecurity 1Hardware 1Robotics 1

Series C+ 2, Series B 1

Oct 7, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Series B 1

Mecka $60M Series B Lumilens >$700M Series C Horizon3 $250M Series E

165

Riot VenturesLatest Oct 7

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

3rounds

0led

Climate tech 2Logistics 1

Pre-seed 1, Series B 1, Series C+ 1

Oct 7, 2026

Details

New companies 3 · Follow-on 0

Stages: Pre-seed 1, Series B 1, Series C+ 1

Parallel Systems $100M Series C American Supercritical $8M Pre-seed Valar Atomics $1B Series B

166

SamsungLatest Oct 7

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

3rounds

0led

AI 1Fintech 1Robotics 1

Series B 2, Series A 1

Oct 7, 2026

Details

New companies 3 · Follow-on 0

Stages: Series B 2, Series A 1

Mecka $60M Series B Nous Research $90M Series B Silicon Data $30.5M Series A

167

2048 VenturesLatest Oct 6

Zeroset · $5.2M Pre-Seed TwoStep Therapeutics · $62.5M Series A

3rounds

1led

Biotech 1Defense tech 1Developer tools 1

Pre-seed 1, Seed 1, Series A 1

Oct 6, 2026

Details

New companies 3 · Follow-on 0

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

Zeroset $5.2M Pre-Seed TwoStep Therapeutics $62.5M Series A Aslan Protects $20.8M Seed

168

Long Journey VenturesLatest Oct 6

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

3rounds

1led

Healthtech 1Proptech 1Robotics 1

Seed 2, Pre-seed 1

Oct 6, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Pre-seed 1

Minerva Humanoids Undisclosed Pre-Seed Snag $4M Seed Nara Health Undisclosed Seed

169

F-PrimeLatest Oct 5

Zenflow · $52M Series D Twin1 AI · $20M Seed

3rounds

0led

AI 1Fintech 1Healthtech 1

Seed 1, Series A 1, Series C+ 1

Oct 5, 2026

Details

New companies 3 · Follow-on 0

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

Zenflow $52M Series D Twin1 AI $20M Seed Silicon Data $30.5M Series A

170

Innovation EndeavorsLatest Oct 5

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

3rounds

1led

AI 1Developer tools 1Robotics 1

Seed 2, Undisclosed 1

Oct 5, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Undisclosed 1

SafeWorld $12.2M Seed Autoheal $7.9M Seed Elio $21M Undisclosed

171

Guillermo RauchLatest Oct 2

Conway Research · Undisclosed First financing Ambrook · $30M Series B

3rounds

0led

AI 2Fintech 1

Seed 1, Series B 1, Undisclosed 1

Oct 2, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 1, Series B 1, Undisclosed 1

Conway Research Undisclosed First financing Ambrook $30M Series B SkyPilot $20M Seed

172

Era VenturesLatest Oct 1

Homeward · $120M Series D Viabot · $24M Series A

3rounds

0led

Proptech 2Robotics 1

Series A 1, Series C+ 1, Undisclosed 1

Oct 1, 2026

Details

New companies 3 · Follow-on 0

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

Homeward $120M Series D Viabot $24M Series A Mainstay >$18M Funding

173

Jeff DeanLatest Oct 1

Volantis · $88M Series A G5 Labs · $14M Seed

3rounds

0led

AI 2Developer tools 1

Seed 2, Series A 1

Oct 1, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 2, Series A 1

Volantis $88M Series A G5 Labs $14M Seed SkyPilot $20M Seed

174

Karman VenturesLatest Oct 1

Photon · $4.5M Seed Fambot · $3.5M Pre-seed

3rounds

0led

AI 1Developer tools 1Proptech 1

Pre-seed 1, Seed 1, Series A 1

Oct 1, 2026

Details

New companies 3 · Follow-on 0

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

Photon $4.5M Seed Fambot $3.5M Pre-seed Henry AI $16.5M Series A

175

LiveOak VenturesLatest Oct 1

Homeward · $120M Series D RiskScout · Undisclosed Undisclosed

3rounds

1led

Cybersecurity 1Fintech 1Proptech 1

Seed 1, Series C+ 1, Undisclosed 1

Oct 1, 2026

Details

New companies 2 · Follow-on 1

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

Homeward $120M Series D RiskScout Undisclosed Undisclosed Eve Security $4.5M Seed extension

176

Susa VenturesLatest Oct 1

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

3rounds

1led

AI 1Ecommerce 1Proptech 1

Series A 2, Seed 1

Oct 1, 2026

Details

New companies 3 · Follow-on 0

Stages: Series A 2, Seed 1

Volantis $88M Series A Euka AI $5M Seed Henry AI $16.5M Series A

177

Triatomic CapitalLatest Oct 1

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

3rounds

0led

AI 2Hardware 1

Series A 1, Series B 1, Undisclosed 1

Oct 1, 2026

Details

New companies 1 · Follow-on 2

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

Volantis $88M Series A Efficient Computer $100M Additional funding Gimlet Labs $300M Series B

178

DeepWork CapitalLatest Sep 30

Astrocyte Pharmaceuticals Inc. · $9.5M Series B Rapta · $8M Funding

3rounds

1led

Biotech 1Climate tech 1Industrial tech 1

Seed 1, Series B 1, Undisclosed 1

Sep 30, 2026

Details

New companies 3 · Follow-on 0

Stages: Seed 1, Series B 1, Undisclosed 1

Astrocyte Pharmaceuticals Inc. $9.5M Series B Rapta $8M Funding Biota $3M Seed

179

Sutter Hill VenturesLatest Sep 30

CScale · $145M Series C Celero Communications · $275M Series C

3rounds

0led

Hardware 2Climate tech 1

Series C+ 2, Growth 1

Sep 30, 2026

Details

New companies 3 · Follow-on 0

Stages: Series C+ 2, Growth 1

CScale $145M Series C Celero Communications $275M Series C Sila $300M Growth

180

Coinbase VenturesLatest Sep 29

Jeeves · $110M Series C-1 Fin.com · $20M Seed

3rounds

0led

Fintech 2AI 1

Seed 1, Series A 1, Series C+ 1

Sep 29, 2026

Details

New companies 2 · Follow-on 1

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

Jeeves $110M Series C-1 Fin.com $20M Seed Sapiom $35M 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.