2rounds
1led
AI 1Developer tools 1
Series C+ 2
US startup investors — September 2026 · Sep 1, 2026 – Sep 30, 2026
Recent funding activity in US startups, organised by investor and their role in each round.
Browse by month
2rounds
0led
AI 1Mobility 1
Series C+ 2
Details
New companies 2 · Follow-on 0
Stages: Series C+ 2
SiMa.ai $150M Series CThe Boring Company $3B Series D2rounds
0led
AI 1Enterprise software 1
Series C+ 2
Details
2rounds
1led
Defense tech 1Developer tools 1
Seed 1, Series B 1
Details
New companies 1 · Follow-on 1
Stages: Seed 1, Series B 1
Quartermaster $140M Series B equity + debt facilityAranya $9M Seed2rounds
0led
AI 1Enterprise software 1
Series A 1, Series C+ 1
Details
New companies 2 · Follow-on 0
Stages: Series A 1, Series C+ 1
SiMa.ai $150M Series CLightfield $47M Series A2rounds
1led
Climate tech 1Defense tech 1
Series B 1, Undisclosed 1
Details
New companies 2 · Follow-on 0
Stages: Series B 1, Undisclosed 1
Quartermaster $140M Series B equity + debt facility38 Degrees North $260M Credit facility2rounds
0led
Fintech 2
Series B 2
Details
New companies 1 · Follow-on 1
Stages: Series B 2
Outmarket AI $34.5M Series BCarputty Undisclosed Series B2rounds
0led
AI 1Healthtech 1
Series C+ 2
Details
New companies 2 · Follow-on 0
Stages: Series C+ 2
Precision Neuroscience $250M Series DCrusoe $3.9B Series F (initial close; anticipated total)2rounds
1led
Hardware 1Healthtech 1
Series C+ 1, Undisclosed 1
Details
New companies 2 · Follow-on 0
Stages: Series C+ 1, Undisclosed 1
Precision Neuroscience $250M Series DTeRAM $37M Funding2rounds
1led
Biotech 1Climate tech 1
Seed 1, Series A 1
Details
2rounds
0led
Hardware 1Healthtech 1
Series A 1, Series C+ 1
Details
New companies 2 · Follow-on 0
Stages: Series A 1, Series C+ 1
Precision Neuroscience $250M Series DFab2 $500M Series A2rounds
1led
AI 1Cybersecurity 1
Series C+ 2
Details
2rounds
0led
Biotech 1Proptech 1
Seed 1, Series A 1
Details
2rounds
0led
Biotech 1Healthtech 1
Series C+ 2
Details
New companies 2 · Follow-on 0
Stages: Series C+ 2
Precision Neuroscience $250M Series DEncoded Therapeutics Inc. $275M Series F2rounds
0led
Biotech 2
Series A 1, Series C+ 1
Details
New companies 2 · Follow-on 0
Stages: Series A 1, Series C+ 1
BigHat Biosciences $75M Series CRegCell, Inc. $44M Series A2rounds
0led
Biotech 1Healthtech 1
Series B 1, Series C+ 1
Details
New companies 2 · Follow-on 0
Stages: Series B 1, Series C+ 1
BigHat Biosciences $75M Series CN-Power Medicine $32M Series B2rounds
1led
AI 1Healthtech 1
Series C+ 2
Details
New companies 2 · Follow-on 0
Stages: Series C+ 2
Precision Neuroscience $250M Series DCrusoe $3.9B Series F (initial close; anticipated total)2rounds
0led
AI 1Healthtech 1
Growth 1, Series C+ 1
Details
New companies 2 · Follow-on 0
Stages: Growth 1, Series C+ 1
Silk $45M Growth capital facilityInspiren $70M Series C2rounds
0led
Climate tech 2
Seed 1, Series B 1
Details
New companies 2 · Follow-on 0
Stages: Seed 1, Series B 1
Mojave Energy Systems $19M Series BRavel $8.2M Seed2rounds
0led
AI 1Climate tech 1
Series A 1, Series B 1
Details
New companies 2 · Follow-on 0
Stages: Series A 1, Series B 1
Mojave Energy Systems $19M Series BKastle $24M Series A2rounds
0led
Healthtech 2
Series A 1, Series C+ 1
Details
New companies 2 · Follow-on 0
Stages: Series A 1, Series C+ 1
Basalt Health $20M Series AThyme Care >$125M Series E2rounds
0led
Biotech 1Foodtech 1
Series B 1, Series C+ 1
Details
New companies 2 · Follow-on 0
Stages: Series B 1, Series C+ 1
Enveda $311M Series EMedici Brands $250M Series B2rounds
0led
Biotech 2
Undisclosed 2
Details
New companies 2 · Follow-on 0
Stages: Undisclosed 2
Tempo Therapeutics ≤$2.3M NCI SBIR grantMolecular Targeting Technologies, Inc. $3.2M National Cancer Institute R01 grant2rounds
1led
Fintech 1Healthtech 1
Series A 2
Details
2rounds
0led
Media & gaming 2
Seed 1, Series C+ 1
Details
New companies 2 · Follow-on 0
Stages: Seed 1, Series C+ 1
Topdog $2.5M SeedNex >$150M Series E and new credit facility2rounds
1led
Biotech 1Edtech 1
Seed 1, Series C+ 1
Details
2rounds
0led
Climate tech 1Fintech 1
Undisclosed 2
Details
New companies 2 · Follow-on 0
Stages: Undisclosed 2
Atum $13.5M FundingOdyssey Energy Solutions $74M Funding2rounds
0led
AI 2
Series A 1, Series C+ 1
Details
New companies 2 · Follow-on 0
Stages: Series A 1, Series C+ 1
Vals AI $40M Series AClay $115M Series D2rounds
0led
AI 1Healthtech 1
Series C+ 2
Details
New companies 2 · Follow-on 0
Stages: Series C+ 2
Snorkel AI $350M Series EAngle Health $200M Series C and tender offer2rounds
1led
AI 1Enterprise software 1
Series A 2
Details
“—” 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.