US startup investors · All time

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

331

DefinitionLatest Sep 17

Adaptive · $30M Series B Simile · $200M Series B

5rounds

0led

Cybersecurity 2AI 1Enterprise software 1

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

Sep 17, 2026

Details

New companies 5 · Follow-on 0

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

Adaptive $30M Series B Simile $200M Series B TerraFirma $115M Series A

332

Motley Fool VenturesLatest Sep 17

Ridgeline · $250M Series E Bidbus · $15M Series A

5rounds

0led

Fintech 2Defense tech 1Ecommerce 1

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

Sep 17, 2026

Details

New companies 5 · Follow-on 0

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

Ridgeline $250M Series E Bidbus $15M Series A EdVisorly $13.3M Series A

333

Radical VenturesLatest Sep 17

Crusoe · $3.9B Series F (initial close; anticipated total)Muon Space · $250M Series C

5rounds

1led

AI 2Fintech 1Robotics 1

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

Sep 17, 2026

Details

New companies 5 · Follow-on 0

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

Crusoe $3.9B Series F (initial close; anticipated total)Muon Space $250M Series C Prime Intellect $130M Series A

334

Trust VenturesLatest Sep 17

Luzern Risk · $45M Series B Base Power · $1B Series D

5rounds

0led

Climate tech 2Fintech 1Industrial tech 1

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

Sep 17, 2026

Details

New companies 5 · Follow-on 0

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

Luzern Risk $45M Series B Base Power $1B Series D Antora Energy $550M Series C

335

ForbionLatest Sep 16

Sling Therapeutics, Inc. · $123M Series C Solstice Oncology · $225M Series A

5rounds

1led

Biotech 4Healthtech 1

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

Sep 16, 2026

Details

New companies 5 · Follow-on 0

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

Sling Therapeutics, Inc. $123M Series C Solstice Oncology $225M Series A Slate Medicines $130M Series A

336

SemperVirensLatest Sep 16

Thatch · $108M New funding Epsilon Health · $27.6M Funding

5rounds

0led

Healthtech 5

Series C+ 2, Undisclosed 2, Seed 1

Sep 16, 2026

Details

New companies 5 · Follow-on 0

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

Thatch $108M New funding Epsilon Health $27.6M Funding Stepful $55M Series C

337

The General PartnershipLatest Sep 16

Thatch · $108M New funding Integral Privacy Technologies · $18M Series A

5rounds

0led

Healthtech 2Cybersecurity 1Enterprise software 1

Seed 2, Undisclosed 2, Series A 1

Sep 16, 2026

Details

New companies 5 · Follow-on 0

Stages: Seed 2, Undisclosed 2, Series A 1

Thatch $108M New funding Integral Privacy Technologies $18M Series A Minerva $20M Undisclosed

338

ChemistryLatest Sep 15

Liquid Compute · $15M Seed Wafer · $40M Series A

5rounds

2led

AI 2Biotech 1Hardware 1

Series A 3, Seed 1, Series C+ 1

Sep 15, 2026

Details

New companies 5 · Follow-on 0

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

Liquid Compute $15M Seed Wafer $40M Series A Assort Health $120M Series C

339

EvanticLatest Sep 15

Profound · $180M Series D Harvey · $550M Series H

5rounds

0led

AI 3Enterprise software 1Fintech 1

Series C+ 4, Growth 1

Sep 15, 2026

Details

New companies 4 · Follow-on 1

Stages: Series C+ 4, Growth 1

Profound $180M Series D Harvey $550M Series H Fireworks $1.5B Series D

340

Labcorp Venture FundLatest Sep 15

Evvy · $40M Series B N-Power Medicine · $32M Series B

5rounds

0led

Healthtech 3Biotech 2

Series B 2, Undisclosed 2, Series A 1

Sep 15, 2026

Details

New companies 5 · Follow-on 0

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

Evvy $40M Series B N-Power Medicine $32M Series B Prenosis $20M Series A

341

Zero Infinity PartnersLatest Sep 15

Branch Energy · $33M Series B AGent Energy · $11M Seed

5rounds

0led

Climate tech 3AI 1Proptech 1

Seed 2, Series A 2, Series B 1

Sep 15, 2026

Details

New companies 5 · Follow-on 0

Stages: Seed 2, Series A 2, Series B 1

Branch Energy $33M Series B AGent Energy $11M Seed Rebar $14M Series A

342

Cisco InvestmentsLatest Sep 10

Positron AI · ≤$875M Series C and Series C-1 financing package Starcloud · $250M Series A extension

5rounds

0led

Cybersecurity 2Hardware 2Space tech 1

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

Sep 10, 2026

Details

New companies 5 · Follow-on 0

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

Positron AI ≤$875M Series C and Series C-1 financing package Starcloud $250M Series A extension Atom Computing $100M Series C

343

Meritech CapitalLatest Sep 10

Clay · $115M Series D Mind Robotics · $400M Series B

5rounds

0led

AI 2Cybersecurity 1Robotics 1

Series B 3, Series C+ 2

Sep 10, 2026

Details

New companies 5 · Follow-on 0

Stages: Series B 3, Series C+ 2

Clay $115M Series D Mind Robotics $400M Series B True Anomaly $650M Series D

344

N47Latest Sep 9

Euno · $23M Series A Enzo Health · $20M Series A

5rounds

1led

AI 2Enterprise software 1Healthtech 1

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

Sep 9, 2026

Details

New companies 5 · Follow-on 0

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

Euno $23M Series A Enzo Health $20M Series A Patlytics $40M Series B

345

SoftBank Vision Fund 2Latest Sep 9

Encoded Therapeutics Inc. · $275M Series F Zenity · $125M Series C

5rounds

1led

Biotech 1Climate tech 1Cybersecurity 1

Series C+ 4, Series B 1

Sep 9, 2026

Details

New companies 5 · Follow-on 0

Stages: Series C+ 4, Series B 1

Encoded Therapeutics Inc. $275M Series F Zenity $125M Series C Helion $465M Series G

346

MaC VenturesLatest Sep 8

Bluecore Energy · $40M Seed — additional capital within USD50m financing Autoscience · $14M Seed

5rounds

0led

AI 1Climate tech 1Consumer 1

Seed 4, Series A 1

Sep 8, 2026

Details

New companies 5 · Follow-on 0

Stages: Seed 4, Series A 1

Bluecore Energy $40M Seed — additional capital within USD50m financing Autoscience $14M Seed Taya $5M Seed

347

Booz Allen VenturesLatest Sep 3

HiddenLayer · $100M Series B Scout AI · $100M Series A

5rounds

0led

Defense tech 2AI 1Cybersecurity 1

Series A 3, Series B 2

Sep 3, 2026

Details

New companies 5 · Follow-on 0

Stages: Series A 3, Series B 2

HiddenLayer $100M Series B Scout AI $100M Series A Firestorm Labs $82M Series B

348

NextView VenturesLatest Sep 3

Fambot · $3.5M Pre-seed Walden Robotics · $300M Undisclosed

5rounds

1led

Fintech 2AI 1Healthtech 1

Undisclosed 2, Pre-seed 1, Series A 1, Series B 1

Sep 3, 2026

Details

New companies 5 · Follow-on 0

Stages: Undisclosed 2, Pre-seed 1, Series A 1, Series B 1

Fambot $3.5M Pre-seed Walden Robotics $300M Undisclosed Handspring $19M Series B

349

Balaji SrinivasanLatest Sep 2

Physical Superintelligence (PSI) · $58M Seed OpenGradient · $9.5M Undisclosed

5rounds

0led

Fintech 3AI 2

Undisclosed 3, Seed 1, Series A 1

Sep 2, 2026

Details

New companies 5 · Follow-on 0

Stages: Undisclosed 3, Seed 1, Series A 1

Physical Superintelligence (PSI) $58M Seed OpenGradient $9.5M Undisclosed M1X Global $3M Angel

350

StripeLatest Sep 2

Archive · Undisclosed Growth investment Supabase · $500M Series F

5rounds

0led

Fintech 3Developer tools 1Media & gaming 1

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

Sep 2, 2026

Details

New companies 5 · Follow-on 0

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

Archive Undisclosed Growth investment Supabase $500M Series F Checker $8M Undisclosed

351

XYZ Venture CapitalLatest Sep 2

Aslan Protects · $20.8M Seed Clarasight · $11.5M Series A

5rounds

1led

Defense tech 2Healthtech 2AI 1

Series A 3, Seed 1, Series C+ 1

Sep 2, 2026

Details

New companies 5 · Follow-on 0

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

Aslan Protects $20.8M Seed Clarasight $11.5M Series A Joyful Health $17M Series A

352

Cubit CapitalLatest Sep 1

Reframe Systems · $40M Additional funding Lucid Bots · $20M Series B

5rounds

0led

Climate tech 1Industrial tech 1Proptech 1

Seed 2, Series B 2, Undisclosed 1

Sep 1, 2026

Details

New companies 5 · Follow-on 0

Stages: Seed 2, Series B 2, Undisclosed 1

Reframe Systems $40M Additional funding Lucid Bots $20M Series B Lux Aeterna $10M Seed

353

Energy Impact PartnersLatest Sep 1

Reframe Systems · $40M Additional funding CivilGrid · $26M Series A

5rounds

1led

Proptech 3Climate tech 2

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

Sep 1, 2026

Details

New companies 5 · Follow-on 0

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

Reframe Systems $40M Additional funding CivilGrid $26M Series A Voya Energy $35M Series A

354

Gates FoundationLatest Aug 27

ProFound Therapeutics · $35M Strategic Kanvas Biosciences · $48M Series A

5rounds

—led

Biotech 2Agritech 1AI 1

Undisclosed 4, Series A 1

Aug 27, 2026

Details

New companies 5 · Follow-on 0

Stages: Undisclosed 4, Series A 1

ProFound Therapeutics $35M Strategic Kanvas Biosciences $48M Series A Ten63 Therapeutics $45M Strategic

355

Lockheed Martin VenturesLatest Aug 27

Regent · $240M Series B Venus Aerospace · $91M Series B

5rounds

0led

Industrial tech 2Defense tech 1Mobility 1

Series B 4, Series C+ 1

Aug 27, 2026

Details

New companies 5 · Follow-on 0

Stages: Series B 4, Series C+ 1

Regent $240M Series B Venus Aerospace $91M Series B ANELLO Photonics $25M Series B-2

356

Define VenturesLatest Aug 26

Arintra · $25M Series B Blank Bio · $7.2M Seed

5rounds

—led

Healthtech 4Biotech 1

Series B 3, Seed 1, Series C+ 1

Aug 26, 2026

Details

New companies 5 · Follow-on 0

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

Arintra $25M Series B Blank Bio $7.2M Seed 9amHealth $26M Series B

357

Unusual VenturesLatest Aug 26

OliverAI · Undisclosed Pre-Seed Rime · $24M Series A

5rounds

—led

AI 2Developer tools 2Cybersecurity 1

Series A 2, Pre-seed 1, Seed 1, Series B 1

Aug 26, 2026

Details

New companies 5 · Follow-on 0

Stages: Series A 2, Pre-seed 1, Seed 1, Series B 1

OliverAI Undisclosed Pre-Seed Rime $24M Series A RAVEN.IO $20M Seed

358

Village GlobalLatest Aug 26

Legato · $12M Seed Cast Insights · $4.5M Pre-Seed

5rounds

—led

AI 2Healthtech 2Fintech 1

Seed 2, Undisclosed 2, Pre-seed 1

Aug 26, 2026

Details

New companies 5 · Follow-on 0

Stages: Seed 2, Undisclosed 2, Pre-seed 1

Legato $12M Seed Cast Insights $4.5M Pre-Seed Sazabi $8M Seed

359

Basis SetLatest Aug 25

Osmo · $5M Seed Rowspace · $50M Series A

5rounds

0led

AI 2Enterprise software 1Fintech 1

Seed 3, Series A 2

Aug 25, 2026

Details

New companies 5 · Follow-on 0

Stages: Seed 3, Series A 2

Osmo $5M Seed Rowspace $50M Series A Dataro $14.3M Series A

360

Amex VenturesLatest Aug 24

Fazeshift · Undisclosed Strategic Pie · Undisclosed Strategic

5rounds

—led

Enterprise software 2Fintech 2AI 1

Undisclosed 4, Series B 1

Aug 24, 2026

Details

New companies 5 · Follow-on 0

Stages: Undisclosed 4, Series B 1

Fazeshift Undisclosed Strategic Pie Undisclosed Strategic Bluefish AI $43M Series B

“—” 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.