# Y Combinator: investor

Canonical ID: `9d7a4efd-d7c2-46b4-af3b-3330858e0ff8`

Y Combinator is a startup accelerator that seeds early-stage companies through a structured program, with portfolio including Airbnb, Stripe, and DoorDash.

- **Type:** Accelerator

## Portfolio (29)

- [Hop Aero](https://registry.deploy.report/companies/hop-aero.md) Pre-Seed · $3M (reported)
- [Singularity](https://registry.deploy.report/companies/singularity.md) Series A · 2026-07-14 · $80M (reported) · _follow_
- [Mentra](https://registry.deploy.report/companies/mentra.md) Other · 2026-07-08 · $8M (reported) · _follow_
- [Proception](https://registry.deploy.report/companies/proception.md) Seed · 2026-06-29 · $11M (reported)
- [Open Vision Engineering (Hey Pocket)](https://registry.deploy.report/companies/open-vision-engineering.md) Seed · 2026-06-29 · $11M
- [Aseon Labs](https://registry.deploy.report/companies/aseon-labs.md) Seed · 2026-06-26 · $10M (reported)
- [Earendil Robotics](https://registry.deploy.report/companies/earendil-robotics.md) Seed · 2026-06-25 · $500,000 (reported) · _lead_
- [Ornadyne](https://registry.deploy.report/companies/ornadyne.md) Pre-Seed · 2026-06-23 · $500,000 · _lead_
- [Pocket](https://registry.deploy.report/companies/pocket.md) Seed · 2026-06-15 · $11M (reported)
- [Waddle Labs](https://registry.deploy.report/companies/waddle-labs.md) Seed · 2026-06-01 · $500,000 (reported) · _lead_
- [Starcloud](https://registry.deploy.report/companies/starcloud.md) Series A · 2026-03-30 · $170M (reported) · _follow_
- [Science Corp](https://registry.deploy.report/companies/science-corp.md) Series C · 2026-03-05 · $230M (reported)
- [Gecko Robotics](https://registry.deploy.report/companies/gecko-robotics.md) Growth Round (2025) · 2025-06-12 · $125M (reported)
- [Turion Space](https://registry.deploy.report/companies/turion-space.md) Series A · 2025-04-02 · $15M (reported)
- [Flux Auto](https://registry.deploy.report/companies/flux-auto.md) Seed · 2025-03-14 · _lead_
- [Stoke Space](https://registry.deploy.report/companies/stoke-space.md) Series C · 2025-01-01 · _follow_
- [Four Growers](https://registry.deploy.report/companies/four-growers.md) Series A · 2024-11-20 · $9M (reported)
- [Inversion Space](https://registry.deploy.report/companies/inversion-space.md) Series A · 2024-11-01 · $44M (reported)
- [Weave Robotics](https://registry.deploy.report/companies/weave-robotics.md) Seed · 2024-09-01 · $500,000 (reported)
- [Yondu](https://registry.deploy.report/companies/yondu.md) Seed · 2024-07-01 · $500,000 (reported)
- [Mars Auto](https://registry.deploy.report/companies/mars-auto.md) Seed · 2024-01-01 · _lead_
- [AssemblyAI](https://registry.deploy.report/companies/assemblyai.md) Series C · 2023-12-04 · $50M (reported)
- [Andromeda Surgical](https://registry.deploy.report/companies/andromeda-surgical.md) Seed · 2023-08-29 · $500,000 (reported)
- [AssemblyAI](https://registry.deploy.report/companies/assemblyai.md) Series B · 2022-07-14 · $30M (reported)
- [AssemblyAI](https://registry.deploy.report/companies/assemblyai.md) Series A · 2022-03-04 · $28M (reported)
- [Inversion Space](https://registry.deploy.report/companies/inversion-space.md) Seed · 2021-11-01 · $10M (reported)
- [Buoyant Aero](https://registry.deploy.report/companies/buoyant-aero.md) Seed · 2021-08-23 · _lead_
- [Gecko Robotics](https://registry.deploy.report/companies/gecko-robotics.md) Series A · 2018-08-20 · $7M (reported)
- [Starsky Robotics](https://registry.deploy.report/companies/starsky-robotics.md) Seed · 2017-01-01 · $5M (reported) · _lead_

## Invests alongside (70)

Other investors that participated in the same funding rounds as Y Combinator.

- [Accel](https://registry.deploy.report/investors/accel.md) · 5 shared rounds: [Open Vision Engineering (Hey Pocket) Seed](https://registry.deploy.report/companies/open-vision-engineering.md#funding-rounds), [Pocket Seed](https://registry.deploy.report/companies/pocket.md#funding-rounds), [AssemblyAI Series C](https://registry.deploy.report/companies/assemblyai.md#funding-rounds), [AssemblyAI Series B](https://registry.deploy.report/companies/assemblyai.md#funding-rounds), [AssemblyAI Series A](https://registry.deploy.report/companies/assemblyai.md#funding-rounds)
- [Adjacent](https://registry.deploy.report/investors/adjacent.md) · 2 shared rounds: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds), [Inversion Space Series A](https://registry.deploy.report/companies/inversion-space.md#funding-rounds)
- [Daniel Gross](https://registry.deploy.report/investors/daniel-gross.md) · 2 shared rounds: [AssemblyAI Series C](https://registry.deploy.report/companies/assemblyai.md#funding-rounds), [AssemblyAI Series A](https://registry.deploy.report/companies/assemblyai.md#funding-rounds)
- [Founders Fund](https://registry.deploy.report/investors/founders-fund.md) · 2 shared rounds: [Gecko Robotics Growth Round (2025)](https://registry.deploy.report/companies/gecko-robotics.md#funding-rounds), [Gecko Robotics Series A](https://registry.deploy.report/companies/gecko-robotics.md#funding-rounds)
- [Insight Partners](https://registry.deploy.report/investors/insight-partners.md) · 2 shared rounds: [AssemblyAI Series C](https://registry.deploy.report/companies/assemblyai.md#funding-rounds), [AssemblyAI Series B](https://registry.deploy.report/companies/assemblyai.md#funding-rounds)
- [Khosla Ventures](https://registry.deploy.report/investors/khosla-ventures.md) · 2 shared rounds: [Singularity Series A](https://registry.deploy.report/companies/singularity.md#funding-rounds), [Science Corp Series C](https://registry.deploy.report/companies/science-corp.md#funding-rounds)
- [Nat Friedman](https://registry.deploy.report/investors/nat-friedman.md) · 2 shared rounds: [AssemblyAI Series C](https://registry.deploy.report/companies/assemblyai.md#funding-rounds), [AssemblyAI Series A](https://registry.deploy.report/companies/assemblyai.md#funding-rounds)
- [Soma Capital](https://registry.deploy.report/investors/soma-capital.md) · 2 shared rounds: [Mars Auto Seed](https://registry.deploy.report/companies/mars-auto.md#funding-rounds), [Buoyant Aero Seed](https://registry.deploy.report/companies/buoyant-aero.md#funding-rounds)
- [Spark Capital](https://registry.deploy.report/investors/spark-capital.md) · 2 shared rounds: [Inversion Space Series A](https://registry.deploy.report/companies/inversion-space.md#funding-rounds), [Inversion Space Seed](https://registry.deploy.report/companies/inversion-space.md#funding-rounds)
- [468 Capital](https://registry.deploy.report/investors/468-capital.md) · 1 shared round: [Mentra Other](https://registry.deploy.report/companies/mentra.md#funding-rounds)
- [776 Ventures](https://registry.deploy.report/investors/776-ventures.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [Amazon Industrial Innovation Fund](https://registry.deploy.report/investors/amazon-industrial-innovation-fund.md) · 1 shared round: [Mentra Other](https://registry.deploy.report/companies/mentra.md#funding-rounds)
- [Arc Ventures](https://registry.deploy.report/investors/arc-ventures.md) · 1 shared round: [Buoyant Aero Seed](https://registry.deploy.report/companies/buoyant-aero.md#funding-rounds)
- [Attack Capital](https://registry.deploy.report/investors/attack-capital.md) · 1 shared round: [Andromeda Surgical Seed](https://registry.deploy.report/companies/andromeda-surgical.md#funding-rounds)
- [Basset Capital](https://registry.deploy.report/investors/basset-capital.md) · 1 shared round: [Four Growers Series A](https://registry.deploy.report/companies/four-growers.md#funding-rounds)
- [Benchmark](https://registry.deploy.report/investors/benchmark.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [BoxGroup](https://registry.deploy.report/investors/boxgroup.md) · 1 shared round: [Proception Seed](https://registry.deploy.report/companies/proception.md#funding-rounds)
- [Climate Capital](https://registry.deploy.report/investors/climate-capital.md) · 1 shared round: [Buoyant Aero Seed](https://registry.deploy.report/companies/buoyant-aero.md#funding-rounds)
- [Collide Capital](https://registry.deploy.report/investors/collide-capital.md) · 1 shared round: [Weave Robotics Seed](https://registry.deploy.report/companies/weave-robotics.md#funding-rounds)
- [Cox Enterprises](https://registry.deploy.report/investors/cox-enterprises.md) · 1 shared round: [Gecko Robotics Growth Round (2025)](https://registry.deploy.report/companies/gecko-robotics.md#funding-rounds)
- [Crane Venture Partners](https://registry.deploy.report/investors/crane-venture-partners.md) · 1 shared round: [Aseon Labs Seed](https://registry.deploy.report/companies/aseon-labs.md#funding-rounds)
- [Daft Capital](https://registry.deploy.report/investors/daft-capital.md) · 1 shared round: [Buoyant Aero Seed](https://registry.deploy.report/companies/buoyant-aero.md#funding-rounds)
- [Daren Cotter](https://registry.deploy.report/investors/daren-cotter.md) · 1 shared round: [Weave Robotics Seed](https://registry.deploy.report/companies/weave-robotics.md#funding-rounds)
- [Dennis Muilenburg](https://registry.deploy.report/investors/dennis-muilenburg.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [EQT Ventures](https://registry.deploy.report/investors/eqt-ventures.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [Eric Migicovsky](https://registry.deploy.report/investors/eric-migicovsky.md) · 1 shared round: [Mentra Other](https://registry.deploy.report/companies/mentra.md#funding-rounds)
- [Expa](https://registry.deploy.report/investors/expa.md) · 1 shared round: [Aseon Labs Seed](https://registry.deploy.report/companies/aseon-labs.md#funding-rounds)
- [Felicis Ventures](https://registry.deploy.report/investors/felicis.md) · 1 shared round: [Singularity Series A](https://registry.deploy.report/companies/singularity.md#funding-rounds)
- [First Round Capital](https://registry.deploy.report/investors/first-round-capital.md) · 1 shared round: [Proception Seed](https://registry.deploy.report/companies/proception.md#funding-rounds)
- [Forward Deployed VC](https://registry.deploy.report/investors/forward-deployed-vc.md) · 1 shared round: [Turion Space Series A](https://registry.deploy.report/companies/turion-space.md#funding-rounds)
- [Founders Capital](https://registry.deploy.report/investors/founders-capital.md) · 1 shared round: [Aseon Labs Seed](https://registry.deploy.report/companies/aseon-labs.md#funding-rounds)
- [Founders Inc](https://registry.deploy.report/investors/founders-inc.md) · 1 shared round: [Buoyant Aero Seed](https://registry.deploy.report/companies/buoyant-aero.md#funding-rounds)
- [Fuse Ventures](https://registry.deploy.report/investors/fuse-ventures.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [Glade Brook Capital](https://registry.deploy.report/investors/glade-brook-capital.md) · 1 shared round: [Stoke Space Series C](https://registry.deploy.report/companies/stoke-space.md#funding-rounds)
- [Global Founders Capital](https://registry.deploy.report/investors/global-founders-capital.md) · 1 shared round: [Buoyant Aero Seed](https://registry.deploy.report/companies/buoyant-aero.md#funding-rounds)
- [Guillermo Rauch](https://registry.deploy.report/investors/guillermo-rauch.md) · 1 shared round: [Pocket Seed](https://registry.deploy.report/companies/pocket.md#funding-rounds)
- [Jawed Karim](https://registry.deploy.report/investors/jawed-karim.md) · 1 shared round: [Mentra Other](https://registry.deploy.report/companies/mentra.md#funding-rounds)
- [Kakao Mobility](https://registry.deploy.report/investors/kakao-mobility.md) · 1 shared round: [Mars Auto Seed](https://registry.deploy.report/companies/mars-auto.md#funding-rounds)
- [Kakao Ventures](https://registry.deploy.report/investors/kakao-ventures.md) · 1 shared round: [Mars Auto Seed](https://registry.deploy.report/companies/mars-auto.md#funding-rounds)
- [Kevin Johnson](https://registry.deploy.report/investors/kevin-johnson.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [Leitmotif](https://registry.deploy.report/investors/leitmotif.md) · 1 shared round: [Stoke Space Series C](https://registry.deploy.report/companies/stoke-space.md#funding-rounds)
- [Link Ventures](https://registry.deploy.report/investors/link-ventures.md) · 1 shared round: [Yondu Seed](https://registry.deploy.report/companies/yondu.md#funding-rounds)
- [Lockheed Martin Ventures](https://registry.deploy.report/investors/lockheed-martin-ventures.md) · 1 shared round: [Inversion Space Series A](https://registry.deploy.report/companies/inversion-space.md#funding-rounds)
- [Manhattan West](https://registry.deploy.report/investors/manhattan-west.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [Menlo Ventures](https://registry.deploy.report/investors/menlo-ventures.md) · 1 shared round: [Singularity Series A](https://registry.deploy.report/companies/singularity.md#funding-rounds)
- [Metaplanet](https://registry.deploy.report/investors/metaplanet.md) · 1 shared round: [Flux Auto Seed](https://registry.deploy.report/companies/flux-auto.md#funding-rounds)
- [Monolith Power Systems](https://registry.deploy.report/investors/monolith-power-systems.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [NEA](https://registry.deploy.report/investors/nea.md) · 1 shared round: [Singularity Series A](https://registry.deploy.report/companies/singularity.md#funding-rounds)
- [Nebular](https://registry.deploy.report/investors/nebular.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [Nexus Venture Partners](https://registry.deploy.report/investors/nexus-venture-partners.md) · 1 shared round: [Weave Robotics Seed](https://registry.deploy.report/companies/weave-robotics.md#funding-rounds)
- [Ospraie Ag Science](https://registry.deploy.report/investors/ospraie-ag-science.md) · 1 shared round: [Four Growers Series A](https://registry.deploy.report/companies/four-growers.md#funding-rounds)
- [Paul Graham](https://registry.deploy.report/investors/paul-graham.md) · 1 shared round: [Mentra Other](https://registry.deploy.report/companies/mentra.md#funding-rounds)
- [Pioneer Fund](https://registry.deploy.report/investors/pioneer-fund.md) · 1 shared round: [Weave Robotics Seed](https://registry.deploy.report/companies/weave-robotics.md#funding-rounds)
- [Prod Ventures](https://registry.deploy.report/investors/prod-ventures.md) · 1 shared round: [Yondu Seed](https://registry.deploy.report/companies/yondu.md#funding-rounds)
- [Quiet Capital](https://registry.deploy.report/investors/quiet-capital.md) · 1 shared round: [Science Corp Series C](https://registry.deploy.report/companies/science-corp.md#funding-rounds)
- [Rich Miner](https://registry.deploy.report/investors/rich-miner.md) · 1 shared round: [Mentra Other](https://registry.deploy.report/companies/mentra.md#funding-rounds)
- [Robin Hood Ventures](https://registry.deploy.report/investors/robin-hood-ventures.md) · 1 shared round: [Aseon Labs Seed](https://registry.deploy.report/companies/aseon-labs.md#funding-rounds)
- [SBXi](https://registry.deploy.report/investors/sbxi.md) · 1 shared round: [Yondu Seed](https://registry.deploy.report/companies/yondu.md#funding-rounds)
- [Seven Seven Six](https://registry.deploy.report/investors/seven-seven-six.md) · 1 shared round: [Stoke Space Series C](https://registry.deploy.report/companies/stoke-space.md#funding-rounds)
- [Smith Point Capital](https://registry.deploy.report/investors/smith-point-capital.md) · 1 shared round: [AssemblyAI Series C](https://registry.deploy.report/companies/assemblyai.md#funding-rounds)
- [Stephen Wilson](https://registry.deploy.report/investors/stephen-wilson.md) · 1 shared round: [Starcloud Series A](https://registry.deploy.report/companies/starcloud.md#funding-rounds)
- [Summit Partners](https://registry.deploy.report/investors/summit-partners.md) · 1 shared round: [Weave Robotics Seed](https://registry.deploy.report/companies/weave-robotics.md#funding-rounds)
- [Tango.vc](https://registry.deploy.report/investors/tango-vc.md) · 1 shared round: [Buoyant Aero Seed](https://registry.deploy.report/companies/buoyant-aero.md#funding-rounds)
- [TrueSight Ventures](https://registry.deploy.report/investors/truesight-ventures.md) · 1 shared round: [Flux Auto Seed](https://registry.deploy.report/companies/flux-auto.md#funding-rounds)
- [University of Michigan](https://registry.deploy.report/investors/university-of-michigan.md) · 1 shared round: [Stoke Space Series C](https://registry.deploy.report/companies/stoke-space.md#funding-rounds)
- [US Innovative Technology Fund](https://registry.deploy.report/investors/us-innovative-technology-fund.md) · 1 shared round: [Gecko Robotics Growth Round (2025)](https://registry.deploy.report/companies/gecko-robotics.md#funding-rounds)
- [Washington Harbour Partners](https://registry.deploy.report/investors/washington-harbour-partners.md) · 1 shared round: [Turion Space Series A](https://registry.deploy.report/companies/turion-space.md#funding-rounds)
- [WestWave Capital](https://registry.deploy.report/investors/westwave-capital.md) · 1 shared round: [Andromeda Surgical Seed](https://registry.deploy.report/companies/andromeda-surgical.md#funding-rounds)
- [Woven Capital](https://registry.deploy.report/investors/woven-capital.md) · 1 shared round: [Stoke Space Series C](https://registry.deploy.report/companies/stoke-space.md#funding-rounds)
- [XN](https://registry.deploy.report/investors/xn-management.md) · 1 shared round: [Gecko Robotics Growth Round (2025)](https://registry.deploy.report/companies/gecko-robotics.md#funding-rounds)

## Partners (1)

- [Garry Tan](https://registry.deploy.report/people/garry-tan.md) general partner

## Sources (1)

1. https://www.ycombinator.com/


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