US startup investors — August 2026 · Aug 1, 2026 – Aug 31, 2026

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

Oak HC/FTLatest Aug 18

Rillet · $100M Series C Dash Bio · $30M Series A

2rounds

0led

Biotech 1Fintech 1

Series A 1, Series C+ 1

Aug 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Rillet $100M Series C Dash Bio $30M Series A

Prosperity7Latest Aug 18

Velaura AI · $110M Series A Horizon3 · $250M Series E

2rounds

—led

Cybersecurity 1Hardware 1

Series A 1, Series C+ 1

Aug 18, 2026

Details

New companies 1 · Follow-on 1

Stages: Series A 1, Series C+ 1

Velaura AI $110M Series A Horizon3 $250M Series E

Samsung NextLatest Aug 18

Synthefy · $6.5M Seed Xpander · $7.5M Seed

2rounds

0led

AI 2

Seed 2

Aug 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Synthefy $6.5M Seed Xpander $7.5M Seed

Sanofi VenturesLatest Aug 18

Abcuro · $66M Series D Epicrispr Biotechnologies · $90M Series C

2rounds

—led

Biotech 2

Series C+ 2

Aug 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Abcuro $66M Series D Epicrispr Biotechnologies $90M Series C

Sapphire VenturesLatest Aug 18

Smack Technologies · $61M Series B Horizon3 · $250M Series E

2rounds

—led

Cybersecurity 1Defense tech 1

Series B 1, Series C+ 1

Aug 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Smack Technologies $61M Series B Horizon3 $250M Series E

Scale Venture PartnersLatest Aug 18

Rillet · $100M Series C CodeRabbit · $143M Series C

2rounds

0led

Developer tools 1Fintech 1

Series C+ 2

Aug 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Rillet $100M Series C CodeRabbit $143M Series C

Seligman VenturesLatest Aug 18

Velaura AI · $110M Series A Lumilens · >$700M Series C

2rounds

—led

Hardware 2

Series A 1, Series C+ 1

Aug 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Velaura AI $110M Series A Lumilens >$700M Series C

Soleus CapitalLatest Aug 18

Abcuro · $66M Series D Bridge to Life · $110M Series C+Debt

2rounds

—led

Biotech 1Healthtech 1

Series C+ 1, Undisclosed 1

Aug 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 1, Undisclosed 1

Abcuro $66M Series D Bridge to Life $110M Series C+Debt

StepStone GroupLatest Aug 18

Velaura AI · $110M Series A Mariana Minerals · $310M Series B

2rounds

—led

Hardware 1Industrial tech 1

Series A 1, Series B 1

Aug 18, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Velaura AI $110M Series A Mariana Minerals $310M Series B

100

Alexandria Venture InvestmentsLatest Aug 17

Leal Therapeutics · $30M Series A Khartis Therapeutics · $50M Series B

2rounds

—led

Biotech 2

Series A 1, Series B 1

Aug 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Leal Therapeutics $30M Series A Khartis Therapeutics $50M Series B

101

Euclidean CapitalLatest Aug 17

Leal Therapeutics · $30M Series A InduPro · $77M Series B

2rounds

—led

Biotech 2

Series A 1, Series B 1

Aug 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Leal Therapeutics $30M Series A InduPro $77M Series B

102

Forerunner VenturesLatest Aug 17

Wispr Flow · $280M Series B Natural · $30M Series A

2rounds

1led

AI 1Fintech 1

Series A 1, Series B 1

Aug 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Wispr Flow $280M Series B Natural $30M Series A

103

Intel CapitalLatest Aug 17

Higgsfield · $400M Series B Zenity · $125M Series C

2rounds

0led

AI 1Cybersecurity 1

Series B 1, Series C+ 1

Aug 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Higgsfield $400M Series B Zenity $125M Series C

104

Peak XVLatest Aug 17

Wispr Flow · $280M Series B Lumilens · >$700M Series C

2rounds

0led

AI 1Hardware 1

Series B 1, Series C+ 1

Aug 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Wispr Flow $280M Series B Lumilens >$700M Series C

105

Smash CapitalLatest Aug 17

Higgsfield · $400M Series B CodeRabbit · $143M Series C

2rounds

0led

AI 1Developer tools 1

Series B 1, Series C+ 1

Aug 17, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Higgsfield $400M Series B CodeRabbit $143M Series C

106

Forge Life Science PartnersLatest Aug 13

Khartis Therapeutics · $50M Series B Infinimmune · $75M Series A

2rounds

—led

Biotech 2

Series A 1, Series B 1

Aug 13, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Khartis Therapeutics $50M Series B Infinimmune $75M Series A

107

Anorak VenturesLatest Aug 12

Heaviside Industries · $60M Series B Soctera · $4M Seed

2rounds

—led

Defense tech 2

Seed 1, Series B 1

Aug 12, 2026

Details

New companies 1 · Follow-on 1

Stages: Seed 1, Series B 1

Heaviside Industries $60M Series B Soctera $4M Seed

108

D1 Capital PartnersLatest Aug 12

Thrive Holdings · >$2B Growth Base Power · $1B Series D

2rounds

0led

AI 1Climate tech 1

Growth 1, Series C+ 1

Aug 12, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series C+ 1

Thrive Holdings >$2B Growth Base Power $1B Series D

109

GradientLatest Aug 11

Axle · $17.5M Series A Sapiom · $35M Series A

2rounds

—led

AI 1Fintech 1

Series A 2

Aug 11, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

Axle $17.5M Series A Sapiom $35M Series A

110

Akshay KothariLatest Aug 10

Natural · $30M Series A Ambrook · $30M Series B

2rounds

0led

Fintech 2

Series A 1, Series B 1

Aug 10, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Natural $30M Series A Ambrook $30M Series B

111

Lightspeed India PartnersLatest Aug 10

Discovered Materials · $9M Seed Mitti Labs · $9.5M Series A

2rounds

—led

AI 1Climate tech 1

Seed 1, Series A 1

Aug 10, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Discovered Materials $9M Seed Mitti Labs $9.5M Series A

112

AdditionLatest Aug 6

Lumilens · >$700M Series C Base Power · $1B Series D

2rounds

1led

Climate tech 1Hardware 1

Series C+ 2

Aug 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Lumilens >$700M Series C Base Power $1B Series D

113

CapitalGLatest Aug 6

Hadrian · $1.4B Series D Base Power · $1B Series D

2rounds

0led

Climate tech 1Defense tech 1

Series C+ 2

Aug 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Hadrian $1.4B Series D Base Power $1B Series D

114

EDBILatest Aug 6

Lumilens · >$700M Series C Horizon3 · $250M Series E

2rounds

—led

Cybersecurity 1Hardware 1

Series C+ 2

Aug 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Lumilens >$700M Series C Horizon3 $250M Series E

115

Qualcomm VenturesLatest Aug 6

Lumilens · >$700M Series C Horizon3 · $250M Series E

2rounds

—led

Cybersecurity 1Hardware 1

Series C+ 2

Aug 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Lumilens >$700M Series C Horizon3 $250M Series E

116

Washington Harbour PartnersLatest Aug 6

Hadrian · $1.4B Series D Mariana Minerals · $310M Series B

2rounds

1led

Defense tech 1Industrial tech 1

Series B 1, Series C+ 1

Aug 6, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Hadrian $1.4B Series D Mariana Minerals $310M Series B

117

AbstractLatest Aug 5

Foundational Industries · $25M Seed June AI · $20M Pre-Seed

2rounds

0led

Enterprise software 1Industrial tech 1

Pre-seed 1, Seed 1

Aug 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

Foundational Industries $25M Seed June AI $20M Pre-Seed

118

Boost VCLatest Aug 5

SkinBit · $6M Pre-Seed Claryx · $3.5M Pre-Seed

2rounds

—led

Biotech 1Healthtech 1

Pre-seed 2

Aug 5, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 2

SkinBit $6M Pre-Seed Claryx $3.5M Pre-Seed

119

Base10Latest Aug 4

Vector Legal · $5.2M Seed HappyRobot · $150M Series C

2rounds

1led

AI 1Business services 1

Seed 1, Series C+ 1

Aug 4, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

Vector Legal $5.2M Seed HappyRobot $150M Series C

120

522 VenturesLatest Aug 31

Clipto · $15M Funding

1rounds

0led

AI 1

Undisclosed 1

Aug 31, 2026

Details

New companies 1 · Follow-on 0

Stages: Undisclosed 1

Clipto $15M Funding

“—” 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.