AI investors — September 2026 · Sep 1, 2026 – Sep 30, 2026

Investors backing AI companies across stages, from applications to infrastructure.

HSBCLatest Sep 24

IPID · $16M Series A Promenaut · Undisclosed Strategic investment

2rounds

0led

AI 1Fintech 1

Series A 1, Undisclosed 1

Sep 24, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

IPID $16M Series A Promenaut Undisclosed Strategic investment

Vintage Investment PartnersLatest Sep 24

Silk · $45M Growth capital facility Inspiren · $70M Series C

2rounds

0led

AI 1Healthtech 1

Growth 1, Series C+ 1

Sep 24, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series C+ 1

Silk $45M Growth capital facility Inspiren $70M Series C

FPV VenturesLatest Sep 23

Enveda · $311M Series E Piston · $15M Series A

2rounds

1led

Biotech 1Fintech 1

Series A 1, Series C+ 1

Sep 23, 2026

Details

New companies 1 · Follow-on 1

Stages: Series A 1, Series C+ 1

Enveda $311M Series E Piston $15M Series A

Hitachi VenturesLatest Sep 23

Ema · $77M Series B Arcee AI · ≥$150M Series B

2rounds

0led

AI 2

Series B 2

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 2

Ema $77M Series B Arcee AI ≥$150M Series B

Inception FundLatest Sep 23

Basecamp Research · $140M Series C Zero · $10.3M Seed

2rounds

0led

Biotech 1Enterprise software 1

Seed 1, Series C+ 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

Basecamp Research $140M Series C Zero $10.3M Seed

Keen Venture PartnersLatest Sep 23

mika · €6M Seed Cato · €6M Seed

2rounds

1led

AI 1Fintech 1

Seed 2

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

mika €6M Seed Cato €6M Seed

KinnevikLatest Sep 23

Enveda · $311M Series E Tandem Health · $100M Series B

2rounds

0led

Biotech 1Healthtech 1

Series B 1, Series C+ 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Enveda $311M Series E Tandem Health $100M Series B

Point NineLatest Sep 23

F13 · $5M Pre-seed Grubel · €3M Pre-seed

2rounds

2led

AI 1Enterprise software 1

Pre-seed 2

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 2

F13 $5M Pre-seed Grubel €3M Pre-seed

RedalpineLatest Sep 23

Basecamp Research · $140M Series C Arlequin AI · €28M Series A

2rounds

1led

AI 1Biotech 1

Series A 1, Series C+ 1

Sep 23, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Basecamp Research $140M Series C Arlequin AI €28M Series A

100

Bloomberg BetaLatest Sep 22

Vals AI · $40M Series A Clay · $115M Series D

2rounds

0led

AI 2

Series A 1, Series C+ 1

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Vals AI $40M Series A Clay $115M Series D

101

Blumberg CapitalLatest Sep 22

Snorkel AI · $350M Series E Angle Health · $200M Series C and tender offer

2rounds

0led

AI 1Healthtech 1

Series C+ 2

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Snorkel AI $350M Series E Angle Health $200M Series C and tender offer

102

byFoundersLatest Sep 22

Verda · $189M Series B and additional investment Fluencify · $4.3M Pre-seed

2rounds

1led

Developer tools 1Enterprise software 1

Pre-seed 1, Series B 1

Sep 22, 2026

Details

New companies 1 · Follow-on 1

Stages: Pre-seed 1, Series B 1

Verda $189M Series B and additional investment Fluencify $4.3M Pre-seed

103

Crane Venture PartnersLatest Sep 22

Outerlimit · $16M Pre-seed Expanse · €4.5M Seed

2rounds

1led

AI 1Cybersecurity 1

Pre-seed 1, Seed 1

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

Outerlimit $16M Pre-seed Expanse €4.5M Seed

104

DoorwayLatest Sep 22

Gamindo · €1.4M Seed Holifya · €2M Funding

2rounds

0led

Edtech 1Healthtech 1

Seed 1, Undisclosed 1

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Gamindo €1.4M Seed Holifya €2M Funding

105

Duccio VitaliLatest Sep 22

Gamindo · €1.4M Seed Holifya · €2M Funding

2rounds

0led

Edtech 1Healthtech 1

Seed 1, Undisclosed 1

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Gamindo €1.4M Seed Holifya €2M Funding

106

Evolution Equity PartnersLatest Sep 22

Outerlimit · $16M Pre-seed Clay · $115M Series D

2rounds

0led

AI 1Cybersecurity 1

Pre-seed 1, Series C+ 1

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Series C+ 1

Outerlimit $16M Pre-seed Clay $115M Series D

107

FortinoLatest Sep 22

Spott · $21M Series A Atira · $15M Seed

2rounds

0led

Enterprise software 2

Seed 1, Series A 1

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Spott $21M Series A Atira $15M Seed

108

Growth Equity at Goldman Sachs AlternativesLatest Sep 22

Cyera · $400M Series G extension Temporal · $550M Series E

2rounds

1led

Cybersecurity 1Developer tools 1

Series C+ 2

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

Cyera $400M Series G extension Temporal $550M Series E

109

Long Journey VenturesLatest Sep 22

Snag · $4M Seed Nara Health · Undisclosed Seed

2rounds

0led

Healthtech 1Proptech 1

Seed 2

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Snag $4M Seed Nara Health Undisclosed Seed

110

UP.PartnersLatest Sep 22

micro1 · >$100M Series B Overroute · $5.5M Funding

2rounds

1led

AI 1Logistics 1

Series B 1, Undisclosed 1

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Undisclosed 1

micro1 >$100M Series B Overroute $5.5M Funding

111

VentoLatest Sep 22

Gamindo · €1.4M Seed Cato · €6M Seed

2rounds

0led

AI 1Edtech 1

Seed 2

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Gamindo €1.4M Seed Cato €6M Seed

112

Walden Catalyst VenturesLatest Sep 22

Snorkel AI · $350M Series E Polaris Electro-Optics · $50M Series B

2rounds

1led

AI 1Hardware 1

Series B 1, Series C+ 1

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Snorkel AI $350M Series E Polaris Electro-Optics $50M Series B

113

Xora InnovationLatest Sep 22

Nexstrom · $12M Seed Hang Ten Systems · $53M Additional seed funding

2rounds

2led

AI 1Hardware 1

Seed 2

Sep 22, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Nexstrom $12M Seed Hang Ten Systems $53M Additional seed funding

114

AntlerLatest Sep 21

Boxd · €2M Pre-Seed Souk · $1.6M Pre-seed

2rounds

0led

AI 1Developer tools 1

Pre-seed 2

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 2

Boxd €2M Pre-Seed Souk $1.6M Pre-seed

115

Bain Capital VenturesLatest Sep 21

Corridor · $25M Seed Forus · $150M Series C

2rounds

2led

Healthtech 2

Seed 1, Series C+ 1

Sep 21, 2026

Details

New companies 1 · Follow-on 1

Stages: Seed 1, Series C+ 1

Corridor $25M Seed Forus $150M Series C

116

Commerce VenturesLatest Sep 21

Footprint · $25M Series B Kastle · $24M Series A

2rounds

0led

AI 1Fintech 1

Series A 1, Series B 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

Footprint $25M Series B Kastle $24M Series A

117

N49PLatest Sep 21

Thri5 · $5.4M Seed Orbits · ~$2M Pre-seed

2rounds

0led

AI 2

Pre-seed 1, Seed 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

Thri5 $5.4M Seed Orbits ~$2M Pre-seed

118

Octopus VenturesLatest Sep 21

Metris Energy · $5M Seed Resolutiion · $10.4M Funding round

2rounds

1led

Climate tech 1Enterprise software 1

Seed 1, Undisclosed 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Undisclosed 1

Metris Energy $5M Seed Resolutiion $10.4M Funding round

119

Operator PartnersLatest Sep 21

Footprint · $25M Series B Noetive · $41M Seed

2rounds

0led

AI 1Fintech 1

Seed 1, Series B 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Footprint $25M Series B Noetive $41M Seed

120

Ora GlobalLatest Sep 21

Zeliq · €7M Seed extension Lyte · $165M Series C

2rounds

0led

Enterprise software 1Hardware 1

Seed 1, Series C+ 1

Sep 21, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

Zeliq €7M Seed extension Lyte $165M Series C

“—” 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.