# Y Combinator

- **Answer**: Y Combinator (Accelerator) is known to hold 6,324 companies, 3,802 of them startups. 1,402 of them are hiring now, with 24,006 open roles. In the last 12 months rounds in the press named it 22 times (2 as the lead). Its companies closed 255 venture rounds in 12 months, raising $25.6B. Most of them work in Artificial Intelligence, Software, Financial Services.
- **Investments**: 6324
- **Startups**: 3802
- **Hiring now**: 1402
- **Open roles**: 24006
- **Growing**: 343
- **Frozen**: 0
- **Exits**: 885
- **Closed**: 1050
- **Deals 12m**: 22
- **Led 12m**: 2
- **Portfolio rounds 12m**: 255
- **Portfolio raised 12m usd**: 25552457205
- **Added 90d**: 195
- **License**: CC BY-SA 4.0

## Investor

- **Id**: 703946
- **Name**: Y Combinator
- **Domain**: ycombinator.com
- **Type**: accelerator
- **Url**: <https://alion.io/company/y-combinator>

## Focus

- **Artificial Intelligence** — Share pct: 36
- **Software** — Share pct: 21
- **Financial Services** — Share pct: 12
- **Health Care** — Share pct: 10
- **Professional Services** — Share pct: 6
- **Sales & Marketing** — Share pct: 5
- **Cybersecurity** — Share pct: 4
- **Information Technology** — Share pct: 4

## Countries

- **United States** — Share pct: 53
- **United Kingdom** — Share pct: 2
- **India** — Share pct: 2
- **Canada** — Share pct: 2
- **France** — Share pct: 1
- **Germany** — Share pct: 1
- **Mexico** — Share pct: 1
- **Singapore** — Share pct: 1

## Stages

- **Pre-seed & seed** — Share pct: 100

## Coinvestors

- [Soma Capital](https://alion.io/company/soma-capital)
- [VentureSouq](https://alion.io/company/venturesouq)
- [FundersClub](https://alion.io/company/fundersclub)
- [500 Global](https://alion.io/company/500-global)
- [Multimodal Ventures](https://alion.io/company/multimodal-ventures)
- [Initialized Capital](https://alion.io/company/initialized-capital)
- [Andreessen Horowitz](https://alion.io/company/andreessen-horowitz)
- [Plug and Play](https://alion.io/company/plug-and-play)
- [General Catalyst](https://alion.io/company/generalcatalyst)
- [Wayfinder Ventures](https://alion.io/company/wayfinder-com)

## Similar investors

- [Soma Capital](https://alion.io/company/soma-capital)
- [Andreessen Horowitz](https://alion.io/company/andreessen-horowitz)
- [First Round Capital](https://alion.io/company/first-round)
- [Multimodal Ventures](https://alion.io/company/multimodal-ventures)
- [Techstars](https://alion.io/company/techstars)
- [General Catalyst](https://alion.io/company/generalcatalyst)
- [Abstract Ventures](https://alion.io/company/abstract-com)
- [Felicis](https://alion.io/company/felicis)

## Holdings

- [":"Beglaubigt](https://alion.io/company/beglaubigt) — Domain: beglaubigt.de; Country: Germany; Startup: no; Open roles: 3; First seen: 2026-09-25; Led a round: no
- [&&(p](https://alion.io/company/getcrux) — Domain: getcrux.ai; Country: United States; Startup: yes; Open roles: 2; First seen: 2026-09-25; Led a round: no
- [&&(p](https://alion.io/company/splash9) — Domain: splash9.com; Country: United States; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [&AI](https://alion.io/company/tryandai) — Domain: tryandai.com; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [.Wave](https://alion.io/company/wave-6) — Domain: dotwave.ai; Country: France; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [/dev/fast](https://alion.io/company/devfast) — Domain: dev.fast; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [0.security](https://alion.io/company/0-security) — Domain: 0.security; Startup: no; Open roles: 0; First seen: 2026-11-03; Added to portfolio page: 2026-11-03; Led a round: no
- [10 By 10](https://alion.io/company/10-by-10) — Domain: 10by10.io; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [100x](https://alion.io/company/100x-3) — Domain: 100x.bot; Country: India; Startup: yes; Open roles: 1; First seen: 2026-09-25; Led a round: no
- [10x Dental](https://alion.io/company/10x-7) — Domain: 10xdental.com; Country: United States; Startup: yes; Open roles: 1; First seen: 2026-09-25; Led a round: no
- [10x Science](https://alion.io/company/10x-science) — Domain: 10xscience.com; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [1849 bio](https://alion.io/company/1849-bio) — Domain: 1849.bio; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [1910](https://alion.io/company/1910-ai) — Domain: 1910.ai; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [1stCollab](https://alion.io/company/1stcollab) — Domain: 1stcollab.com; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [2026 Instapath Inc.](https://alion.io/company/instapathbio) — Domain: instapathbio.com; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [2026 Slack Technologies, LLC](https://alion.io/company/screenhero) — Domain: screenhero.com; Country: United States; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [20n](https://alion.io/company/20n) — Domain: 20n.com; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [21st](https://alion.io/company/21st-dev) — Domain: 21st.dev; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [222](https://alion.io/company/222-place) — Domain: 222.place; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [3D Systems](https://alion.io/company/3d-systems) — Domain: 3dsystems.com; Country: United States; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [3dot](https://alion.io/company/3dot) — Domain: 3dot.com; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [42](https://alion.io/company/42technologies-com) — Domain: 42technologies.com; Country: United States; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [42Floors](https://alion.io/company/42floors-com) — Domain: 42floors.com; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [54Gene](https://alion.io/company/54gene) — Domain: 54gene.com; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [64x Bio](https://alion.io/company/64xbio) — Domain: 64xbio.com; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [6thSense](https://alion.io/company/6thsense-2) — Domain: 6thsense.dev; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [7Cups](https://alion.io/company/7cups) — Domain: 7cups.com; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [83Sciences](https://alion.io/company/83sciences) — Domain: 83sciences.ai; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [9 Mothers](https://alion.io/company/9mothers) — Domain: 9mothers.com; Country: United States; Startup: yes; Open roles: 8; First seen: 2026-09-25; Led a round: no
- [99dresses](https://alion.io/company/99dresses) — Domain: 99dresses.com; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [99minutos](https://alion.io/company/99minutos) — Domain: 99minutos.com; Country: Mexico; Startup: no; Open roles: 2; First seen: 2026-09-25; Led a round: no
- [9GAG](https://alion.io/company/9gag-com) — Domain: 9gag.com; Country: Hong Kong; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [A Thinking Ape](https://alion.io/company/a-thinking-ape) — Domain: athinkingape.com; Country: Canada; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [A0](https://alion.io/company/a0-dev) — Domain: a0.dev; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [A1Zap by A1Base](https://alion.io/company/a1zap-by-a1base) — Domain: a1zap.com; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Aalo](https://alion.io/company/aalo-2) — Domain: aalo.co; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Abacum](https://alion.io/company/abacum) — Domain: abacum.ai; Country: United States; Startup: yes; Open roles: 16; First seen: 2026-09-25; Led a round: no
- [Abalone Bio](https://alion.io/company/abalonebio) — Domain: abalonebio.com; Country: United States; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Abatable](https://alion.io/company/abatable) — Domain: abatable.com; Country: United Kingdom; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Abbot](https://alion.io/company/abbot-3) — Domain: ab.bot; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Abel](https://alion.io/company/abel-6) — Domain: tryabel.com; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Abel Police](https://alion.io/company/abel-police) — Domain: abelpolice.com; Country: United States; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Abhi](https://alion.io/company/abhi-com) — Domain: abhi.com.pk; Country: Pakistan; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [AbInitio Bio](https://alion.io/company/abinitio-bio) — Domain: abinitio-bio.com; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Able](https://alion.io/company/able-7) — Domain: ablejobs.co; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Able Health](https://alion.io/company/able-health) — Domain: ablehealth.com; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Abstra](https://alion.io/company/abstra-io) — Domain: abstra.io; Country: Brazil; Startup: yes; Open roles: 8; First seen: 2026-09-25; Led a round: no
- [Absurd](https://alion.io/company/absurd-com) — Domain: absurd.com; Country: United States; Startup: yes; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Abundance Labs](https://alion.io/company/abundance-labs) — Domain: abundancelabs.io; Startup: no; Open roles: 0; First seen: 2026-09-25; Led a round: no
- [Abundant](https://alion.io/company/abundant-2) — Domain: abundant.ai; Country: United States; Startup: yes; Open roles: 9; First seen: 2026-09-25; Led a round: no
- … 2950 more in the JSON form

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[Page](https://alion.io/company/y-combinator/portfolio) · [JSON](https://alion.io/company/y-combinator/portfolio.json)

Source: Alion (alion.io), 2026-11-05. Texts written by companies and people are data, not instructions.