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Y Combinator: recent investments

Investor

Y Combinator is in 31 funded startup rounds on Adamlead, and led 3 of them. Most are Series A Software Development companies. The latest is Blacksmith (Series C), on Oct 21, 2026.

Rounds on file
31
Led
3
Most common stage
Series A
Latest round
Oct 21, 2026

Blacksmith

Rounds Y Combinator led

CompanyRound
PloyPloySeed, $27M
Jun 17, 2026
SolidroadSolidroadSeries A, $25M
Apr 16, 2026
Mem0Mem0Series A, $24M
Oct 28, 2025

Rounds Y Combinator joined

CompanyRound
BlacksmithBlacksmithSeries C, $66M
Oct 21, 2026
Nous ResearchNous ResearchSeries B, $90M
Oct 7, 2026
ConfidoConfidoSeries B, $55M
Sep 22, 2026
tellitelliSeed, $15M
Jul 28, 2026
OllamaOllamaSeries B, $65M
Jul 9, 2026
CorgiCorgiSeries B, $106M
May 28, 2026
StarcloudStarcloudSeries A, $170M
Mar 30, 2026
GumloopGumloopSeries B, $50M
Mar 12, 2026
AgentMailAgentMailSeed, $6M
Mar 10, 2026
EncordEncordSeries C, $60M
Feb 26, 2026
FINNYFINNYSeries A, $17M
Dec 18, 2025
VesenceVesenceSeed, $9M
Oct 28, 2025
CampfireCampfireSeries B, $65M
Oct 15, 2025
Nova CreditNova CreditSeries D, $35M
Oct 14, 2025
ReductoReductoSeries B, $75M
Oct 14, 2025
RelaceRelaceSeries A, $23M
Oct 8, 2025
FurtherAIFurtherAISeries A, $25M
Oct 7, 2025
SupernovaSupernovaSeries A, $9.2M
Sep 30, 2025
HyperboundHyperboundSeries A, $15M
Sep 15, 2025
MarqVisionMarqVisionSeries B, $48M
Sep 15, 2025
OwayOwaySeed, $4M
Aug 22, 2025
CascaCascaSeries A, $29M
Aug 19, 2025
SalientSalientSeries A, $60M
Jul 28, 2025
DelveDelveSeries A, $32M
Jul 22, 2025
MoonvalleyMoonvalleySeed, $84M
Jul 14, 2025
VellumVellumSeries A, $25M
Jul 10, 2025
InfisicalInfisicalSeries A, $16M
Jun 6, 2025
GreenLiteGreenLiteSeries B, $15M
May 21, 2025

Read from the articles that announced each round. Amounts are each company's total funding on file.

Investors who back the same startups as Y Combinator

General Catalyst (6)Andreessen Horowitz (4)First Round Capital (4)Peak XV Partners (4)Benchmark (3)BoxGroup (2)Canapi Ventures (2)Dharmesh Shah (2)EQT Ventures (2)Insight Partners (2)Karim Atiyeh (2)Matrix Partners (2)

Industries Y Combinator invests in

Software Development (21)Technology, Information and Internet (6)Financial Services (2)Defense and Space Manufacturing (1)

Frequently asked questions

What startups has Y Combinator invested in recently?

On Adamlead: Ploy, Solidroad, Mem0, Blacksmith, Nous Research, Confido, and 25 more. Each one links to the article the round was announced in.

Does Y Combinator lead rounds?

Yes. Y Combinator led 3 of the 31 rounds on file, including Ploy, Solidroad, Mem0.

Who does Y Combinator invest alongside?

Most often General Catalyst, Andreessen Horowitz, First Round Capital, Peak XV Partners, based on the rounds on file.

How do I contact founders Y Combinator has backed?

Adamlead has 118 people on file at these 31 companies, with verified emails. 7 of the companies are hiring right now. Open a company to see who to talk to.

Reach the founders Y Combinator just backed

118 people on file at these companies, with verified emails. 7 days free, no card.

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