US startup investors · All time

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

1021

Constellation Technology VenturesLatest Sep 21

Fluxnium, Inc. · $7M Seed Blue Energy · Undisclosed Strategic

2rounds

0led

Climate tech 2

Seed 1, Undisclosed 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Fluxnium, Inc. $7M Seed Blue Energy Undisclosed Strategic

1022

Creator VenturesLatest Sep 21

Euka AI · $5M Seed Atorie · $9.5M Seed

2rounds

1led

Ecommerce 2

Seed 2

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Euka AI $5M Seed Atorie $9.5M Seed

1023

Elmstead PartnersLatest Sep 21

Axio BioPharma · $2.4M Pre-seed Autoimmunity BioSolutions · $1M Seed extension

2rounds

—led

Biotech 1Enterprise software 1

Pre-seed 1, Seed 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

Axio BioPharma $2.4M Pre-seed Autoimmunity BioSolutions $1M Seed extension

1024

Robinhood VenturesLatest Sep 21

CatchBack Cards · $7.8M Seed Apollo Atomics · $31M Seed

2rounds

0led

Climate tech 1Ecommerce 1

Seed 2

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

CatchBack Cards $7.8M Seed Apollo Atomics $31M Seed

1025

BAI CapitalLatest Sep 18

Nex · >$150M Series E and new credit facility VelaFi · $20M Series B

2rounds

1led

Fintech 1Media & gaming 1

Series B 1, Series C+ 1

Sep 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Nex >$150M Series E and new credit facility VelaFi $20M Series B

1026

Mesa Verde Venture PartnersLatest Sep 18

Tempo Therapeutics · $14.5M Funding Acurion · $4.3M Seed

2rounds

0led

Biotech 1Healthtech 1

Seed 1, Undisclosed 1

Sep 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Tempo Therapeutics $14.5M Funding Acurion $4.3M Seed

1027

RTP GlobalLatest Sep 18

Flam · $40M Series B Attention · $30M Series B

2rounds

0led

AI 1Media & gaming 1

Series B 1, Series C+ 1

Sep 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Flam $40M Series B Attention $30M Series B

1028

Centaurus CapitalLatest Sep 17

Mazama Energy · $135M Series B Type One Energy · $82.4M Seed (final close)

2rounds

1led

Climate tech 2

Seed 1, Series B 1

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Mazama Energy $135M Series B Type One Energy $82.4M Seed (final close)

1029

Grand VenturesLatest Sep 17

Comp AI · $34M Series A Navidence · Undisclosed Seed

2rounds

1led

Cybersecurity 1Healthtech 1

Seed 1, Series A 1

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Comp AI $34M Series A Navidence Undisclosed Seed

1030

One Small PlanetLatest Sep 17

Ravel · $8.2M Seed AquaPoro Technologies · $5M Seed

2rounds

1led

Climate tech 2

Seed 2

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Ravel $8.2M Seed AquaPoro Technologies $5M Seed

1031

Paladin Capital GroupLatest Sep 17

Mind · $72M Series B Arpio · $15M Series A

2rounds

0led

Cybersecurity 2

Series A 1, Series B 1

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Mind $72M Series B Arpio $15M Series A

1032

Silversmith Capital PartnersLatest Sep 17

Vantora · >$100M Growth investment Perry Weather · $110M Funding

2rounds

1led

Climate tech 1Enterprise software 1

Growth 1, Undisclosed 1

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Undisclosed 1

Vantora >$100M Growth investment Perry Weather $110M Funding

1033

TPGLatest Sep 17

Crusoe · $3.9B Series F (initial close; anticipated total)Cambridge Mobile Telematics · $350M Strategic

2rounds

0led

AI 1Fintech 1

Series C+ 1, Undisclosed 1

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

Crusoe $3.9B Series F (initial close; anticipated total)Cambridge Mobile Telematics $350M Strategic

1034

Upper90Latest Sep 17

Crusoe · $3.9B Series F (initial close; anticipated total)Neon · $25M Seed

2rounds

0led

AI 1Fintech 1

Seed 1, Series C+ 1

Sep 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

Crusoe $3.9B Series F (initial close; anticipated total)Neon $25M Seed

1035

ADP VenturesLatest Sep 16

Thatch · $108M New funding Onshore · $31M Series B

2rounds

0led

Fintech 1Healthtech 1

Series B 1, Undisclosed 1

Sep 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Undisclosed 1

Thatch $108M New funding Onshore $31M Series B

1036

Archetype VenturesLatest Sep 16

Voxela, Inc. · Undisclosed Series A Bulwark Dynamics · $6.8M Seed

2rounds

0led

Defense tech 1Healthtech 1

Seed 1, Series A 1

Sep 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Voxela, Inc. Undisclosed Series A Bulwark Dynamics $6.8M Seed

1037

Bam AziziLatest Sep 16

Fin.com · $20M Seed Trace Finance · $32M Series A

2rounds

0led

Fintech 2

Seed 1, Series A 1

Sep 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Fin.com $20M Seed Trace Finance $32M Series A

1038

General AdvanceLatest Sep 16

Kairon Health · $5M Seed Multiplier · $6M Seed

2rounds

0led

Fintech 1Healthtech 1

Seed 2

Sep 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Kairon Health $5M Seed Multiplier $6M Seed

1039

Lobby CapitalLatest Sep 16

Gaia Dynamics · $7M Seed Mesh Security · $12M Series A

2rounds

0led

AI 1Cybersecurity 1

Seed 1, Series A 1

Sep 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Gaia Dynamics $7M Seed Mesh Security $12M Series A

1040

SemiAnalysis CapitalLatest Sep 16

TeRAM · $37M Funding Positron AI · ≤$875M Series C and Series C-1 financing package

2rounds

2led

Hardware 2

Series C+ 1, Undisclosed 1

Sep 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

TeRAM $37M Funding Positron AI ≤$875M Series C and Series C-1 financing package

1041

Swish VenturesLatest Sep 16

Noetive · $41M Seed Upwind Security · $250M Series B

2rounds

0led

AI 1Cybersecurity 1

Seed 1, Series B 1

Sep 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Noetive $41M Seed Upwind Security $250M Series B

1042

The Column GroupLatest Sep 16

Circle Pharma, Inc. · $92.5M Series E InduPro · $77M Series B

2rounds

1led

Biotech 2

Series B 1, Series C+ 1

Sep 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Circle Pharma, Inc. $92.5M Series E InduPro $77M Series B

1043

Zenda CapitalLatest Sep 16

Gaia Dynamics · $7M Seed Basata · $21M Series A

2rounds

0led

AI 1Healthtech 1

Seed 1, Series A 1

Sep 16, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Gaia Dynamics $7M Seed Basata $21M Series A

1044

415 CapitalLatest Sep 15

ReEmerge, Inc. · $37M Series A Endovascular Engineering · $80M Series C

2rounds

0led

Healthtech 2

Series A 1, Series C+ 1

Sep 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

ReEmerge, Inc. $37M Series A Endovascular Engineering $80M Series C

1045

Atlassian VenturesLatest Sep 15

Decimal AI · $4M Seed Riffle Resilience · Undisclosed Strategic

2rounds

0led

AI 2

Seed 1, Undisclosed 1

Sep 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Decimal AI $4M Seed Riffle Resilience Undisclosed Strategic

1046

Blu VenturesLatest Sep 15

Eve Security · $4.5M Seed extension IntelliGRC · $3.5M Seed

2rounds

1led

Cybersecurity 2

Seed 2

Sep 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Eve Security $4.5M Seed extension IntelliGRC $3.5M Seed

1047

Evantic CapitalLatest Sep 15

Factory · $200M Funding ElevenLabs · $500M Series D

2rounds

0led

AI 1Developer tools 1

Series C+ 1, Undisclosed 1

Sep 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

Factory $200M Funding ElevenLabs $500M Series D

1048

Global BrainLatest Sep 15

RegCell, Inc. · $44M Series A Reframe Systems · $40M Additional funding

2rounds

0led

Biotech 1Proptech 1

Series A 1, Undisclosed 1

Sep 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

RegCell, Inc. $44M Series A Reframe Systems $40M Additional funding

1049

K8 CapitalLatest Sep 15

Liquid Compute · $15M Seed Exponent · $40M Series A+Credit

2rounds

0led

AI 1Fintech 1

Seed 1, Undisclosed 1

Sep 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Liquid Compute $15M Seed Exponent $40M Series A+Credit

1050

Kearny JacksonLatest Sep 15

Decimal AI · $4M Seed Cara · $8M Seed

2rounds

1led

AI 1Fintech 1

Seed 2

Sep 15, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Decimal AI $4M Seed Cara $8M Seed

“—” 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.