US startup investors — July 2026 · Jul 1, 2026 – Jul 31, 2026

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

Walter VenturesLatest Jul 31

Bidbus · $15M Series A KredosAi · $7M Series A

2rounds

—led

Ecommerce 1Fintech 1

Series A 2

Jul 31, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

Bidbus $15M Series A KredosAi $7M Series A

645 VenturesLatest Jul 30

Ellis · $10M Seed Fish Audio · $52M Seed

2rounds

—led

AI 1Fintech 1

Seed 2

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Ellis $10M Seed Fish Audio $52M Seed

ARK InvestLatest Jul 30

K2 Space · $500M Series D Wonder · $650M Series D

2rounds

—led

Foodtech 1Space tech 1

Series C+ 2

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

K2 Space $500M Series D Wonder $650M Series D

Breakthrough Energy VenturesLatest Jul 30

Lydian · $43M Series A Antora Energy · $550M Series C

2rounds

0led

Climate tech 2

Series A 1, Series C+ 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Lydian $43M Series A Antora Energy $550M Series C

DefinitionLatest Jul 30

Simile · $200M Series B TerraFirma · $115M Series A

2rounds

—led

AI 1Proptech 1

Series A 1, Series B 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

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

General AtlanticLatest Jul 30

Gravie · Undisclosed Growth SambaNova · $1B Series F

2rounds

—led

AI 1Healthtech 1

Growth 1, Series C+ 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Growth 1, Series C+ 1

Gravie Undisclosed Growth SambaNova $1B Series F

Harlem CapitalLatest Jul 30

Ellis · $10M Seed Bluecore Energy · $10M Pre-Seed

2rounds

—led

Climate tech 1Fintech 1

Pre-seed 1, Seed 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

Ellis $10M Seed Bluecore Energy $10M Pre-Seed

LightspeedLatest Jul 30

K2 Space · $500M Series D Fireworks · $1.5B Series D

2rounds

—led

AI 1Space tech 1

Series C+ 2

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series C+ 2

K2 Space $500M Series D Fireworks $1.5B Series D

Ribbit CapitalLatest Jul 30

Antora Energy · $550M Series C Enigma · $71M Seed

2rounds

0led

Climate tech 1Robotics 1

Seed 1, Series C+ 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

Antora Energy $550M Series C Enigma $71M Seed

S3 VenturesLatest Jul 30

DataBahn · $40M Series B Buildforce · $10M Series A

2rounds

—led

Cybersecurity 1Proptech 1

Series A 1, Series B 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

DataBahn $40M Series B Buildforce $10M Series A

Salesforce VenturesLatest Jul 30

Antora Energy · $550M Series C Centralize · $19M Seed+

2rounds

0led

Climate tech 1Enterprise software 1

Seed 1, Series C+ 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series C+ 1

Antora Energy $550M Series C Centralize $19M Seed+

Seligman VenturesLatest Jul 30

Smallest.ai · $13M Series A SambaNova · $1B Series F

2rounds

—led

AI 2

Series A 1, Series C+ 1

Jul 30, 2026

Details

New companies 1 · Follow-on 1

Stages: Series A 1, Series C+ 1

Smallest.ai $13M Series A SambaNova $1B Series F

Spark CapitalLatest Jul 30

K2 Space · $500M Series D Oratomic · $300M Series A

2rounds

—led

Hardware 1Space tech 1

Series A 1, Series C+ 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

K2 Space $500M Series D Oratomic $300M Series A

Trust VenturesLatest Jul 30

Antora Energy · $550M Series C TerraFirma · $115M Series A

2rounds

0led

Climate tech 1Proptech 1

Series A 1, Series C+ 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

Antora Energy $550M Series C TerraFirma $115M Series A

Union Square VenturesLatest Jul 30

Lydian · $43M Series A Gritt · $32.4M Seed+Series A

2rounds

—led

Climate tech 1Proptech 1

Series A 1, Undisclosed 1

Jul 30, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Undisclosed 1

Lydian $43M Series A Gritt $32.4M Seed+Series A

B CapitalLatest Jul 29

ChipAgents · $60M Series A+Kaon AI · Undisclosed Series B

2rounds

—led

Hardware 1Media & gaming 1

Series A 1, Series B 1

Jul 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series B 1

ChipAgents $60M Series A+Kaon AI Undisclosed Series B

Craft VenturesLatest Jul 29

Arch · $52M Series B Norm Ai · $120M Series C

2rounds

—led

Enterprise software 1Fintech 1

Series B 1, Series C+ 1

Jul 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Arch $52M Series B Norm Ai $120M Series C

EricssonLatest Jul 29

ChipAgents · $60M Series A+Spectro Cloud · $100M Series D

2rounds

—led

AI 1Hardware 1

Series A 1, Series C+ 1

Jul 29, 2026

Details

New companies 1 · Follow-on 1

Stages: Series A 1, Series C+ 1

ChipAgents $60M Series A+Spectro Cloud $100M Series D

Franklin TempletonLatest Jul 29

Arch · $52M Series B Glacis Labs · $6.8M Seed

2rounds

—led

Fintech 2

Seed 1, Series B 1

Jul 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series B 1

Arch $52M Series B Glacis Labs $6.8M Seed

MadronaLatest Jul 29

Polar · $5.7M Seed Thira · $21M Seed

2rounds

—led

AI 1Enterprise software 1

Seed 2

Jul 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Polar $5.7M Seed Thira $21M Seed

MediaTekLatest Jul 29

ChipAgents · $60M Series A+OXMIQ Labs · $35M Series A

2rounds

—led

Hardware 2

Series A 2

Jul 29, 2026

Details

New companies 1 · Follow-on 1

Stages: Series A 2

ChipAgents $60M Series A+OXMIQ Labs $35M Series A

Pioneer FundLatest Jul 29

Henry AI · $16.5M Series A Healia · $14M Series A

2rounds

—led

Fintech 1Proptech 1

Series A 2

Jul 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 2

Henry AI $16.5M Series A Healia $14M Series A

Prologis VenturesLatest Jul 29

UNIT AI · $12M Undisclosed Walden Robotics · $300M Undisclosed

2rounds

—led

Ecommerce 1Robotics 1

Undisclosed 2

Jul 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Undisclosed 2

UNIT AI $12M Undisclosed Walden Robotics $300M Undisclosed

Susa VenturesLatest Jul 29

Henry AI · $16.5M Series A Arkenstone Defense · $35M Seed

2rounds

—led

Defense tech 1Proptech 1

Seed 1, Series A 1

Jul 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Henry AI $16.5M Series A Arkenstone Defense $35M Seed

TCVLatest Jul 29

Onyx Security · $113M Series B Fireworks · $1.5B Series D

2rounds

—led

AI 1Cybersecurity 1

Series B 1, Series C+ 1

Jul 29, 2026

Details

New companies 2 · Follow-on 0

Stages: Series B 1, Series C+ 1

Onyx Security $113M Series B Fireworks $1.5B Series D

Chicago VenturesLatest Jul 28

Buildforce · $10M Series A Guthrie AI · $4M Seed

2rounds

—led

Proptech 2

Seed 1, Series A 1

Jul 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Buildforce $10M Series A Guthrie AI $4M Seed

GradientLatest Jul 28

Credible Data · $10M Seed Hostie · $12M Series A

2rounds

—led

Enterprise software 1Foodtech 1

Seed 1, Series A 1

Jul 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 1, Series A 1

Credible Data $10M Seed Hostie $12M Series A

HeavybitLatest Jul 28

groundcover · $100M Series C Reo.Dev · $11.3M Series A

2rounds

—led

Developer tools 2

Series A 1, Series C+ 1

Jul 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Series A 1, Series C+ 1

groundcover $100M Series C Reo.Dev $11.3M Series A

HF0Latest Jul 28

Fish Audio · $52M Seed Cast Insights · $4.5M Pre-Seed

2rounds

—led

AI 2

Pre-seed 1, Seed 1

Jul 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Pre-seed 1, Seed 1

Fish Audio $52M Seed Cast Insights $4.5M Pre-Seed

SignalFireLatest Jul 28

Credible Data · $10M Seed Cordant · $8M Seed

2rounds

—led

Enterprise software 1Fintech 1

Seed 2

Jul 28, 2026

Details

New companies 2 · Follow-on 0

Stages: Seed 2

Credible Data $10M Seed Cordant $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.