# Y Combinator: portfolio, investments and team > Y Combinator is an accelerator based in United States. 6,410 investments on record, 1051 in the last 12 months, latest Oct 2026. Source: https://millionrounds.com/fund/y-combinator (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Y Combinator Last cheque observed Oct 2026; 6410 cheques on record. Email Deploying now Accelerator Pre-seed Seed Series A Startups Follow Y Combinator and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fy-combinator) Deploying now **84%** of best year **1,051** **cheques in 12 months**, 6,410 on record Since the last cheque **1** days **00** hrs **00** min **00** sec Median round **$3.0M** Cheque size, as they say **$500K – $500K** Rounds led **11 of 6,410** Sole investor **1,835 rounds** Exits **117 from the portfolio** Mostly in **United States, 68%** Pitch Y Combinator ## Y Combinator highlights - 01 1,051 cheques in the last 12 months - 02 Mostly Seed and Pre-seed: 61% of its rounds - 03 Sole investor in 1,835 rounds, median $500K - 04 117 exits from the portfolio ## What they do > Four times a year we invest in a large number of startups. From their own website - **Type:** Accelerator (from a list, unverified) - **Cheque size:** $500K – $500K as they say - **Stages:** Pre-seed Seed Series A - **Sectors:** Startups - **Based in:** Mountain View, United States - **Cold pitches:** Accepted ## The record Every round we can evidence, newest first **6,410 appearances** - **2026** 823 rounds - **Oct** **[Neuron Industries](https://millionrounds.com/company/neuron-industries)** Seed · US · Google News search **$10M** With 5 others - **Oct** **[Reflex](https://millionrounds.com/company/reflex)** Series A · US · Silicon Angle **$14M** With 4 others - **Oct** **[Sava](https://millionrounds.com/company/sava)** Seed · US · Pulse 2.0 **$10M** With 7 others - **Oct** **[Broccoli AI](https://millionrounds.com/company/broccoli-ai)** Series B · US · Wowtale **$52M** With 2 others - **Oct** **[Easol](https://millionrounds.com/company/easol)** Series A · GB · Digital Music News **$30M** With 6 others - **Oct** **[Infisical](https://millionrounds.com/company/infisical)** Series B · US · Wowtale **$40M** With 5 others - **Oct** **[Vera Health](https://millionrounds.com/company/vera-health)** Series A · ES · Tech.eu **$29M** With 5 others - **Oct** **[Kivo Health](https://millionrounds.com/company/kivo-health)** Series A · US · Pulse 2.0 **$10M** With 4 others - **Oct** **[Manicule](https://millionrounds.com/company/manicule)** Seed · IN · The SaaS News **$1.3M** *Led* - **Oct** **[Vouch](https://millionrounds.com/company/vouch)** Pre-seed · IN · The SaaS News **$500K** Sole investor - **Oct** **[Overwatch](https://millionrounds.com/company/overwatch)** Series A · US · Google News search **$15M** With 5 others - **Oct** **[Paradev](https://millionrounds.com/company/paradev)** Seed · US · Google News search **$12M** With 10 others - **Oct** **[Mochatrade](https://millionrounds.com/company/mochatrade)** Seed · IN · Google News search **$5.5M** With 5 others - **Oct** **[Tractian](https://millionrounds.com/company/tractian)** Series D · BR · Google News search **$130M** With 14 others - **Oct** **[Pennant](https://millionrounds.com/company/pennant)** Seed · US · Fintech Global **$5.0M** With 6 others - **Oct** **[Databuddy Analytics](https://millionrounds.com/company/databuddy-analytics)** Pre-seed · Google News search **$560K** *Led* - **Oct** **[Firstwork](https://millionrounds.com/company/firstwork)** Series A · US · Bharat Fast **$15M** With 7 others - **Oct** **[Blacksmith](https://millionrounds.com/company/blacksmith)** Series C · US · Bharat Fast **$66M** With 4 others - **Oct** **[Readily](https://millionrounds.com/company/readily)** Series A · US · MedCity News **$11M** With 2 others - **Oct** **[Rebill](https://millionrounds.com/company/rebill)** Pre-seed · AR · LatamList **$5.4M** With 6 others - **Oct** **[Databuddy Analytics](https://millionrounds.com/company/databuddy-analytics)** Seed · US · Wamda **$500K** *Led* - **Oct** **[Molagri](https://millionrounds.com/company/molagri)** Seed · CA · AgFunderNews **$5.8M** With 5 others - **Oct** **[Clueso](https://millionrounds.com/company/clueso)** Series A · US · Inc42 **$10M** With 5 others - **Oct** **[HyLight](https://millionrounds.com/company/hylight)** Series A · FR · Pulse 2.0 **$15M** With 4 others - **Oct** **[Meticulous](https://millionrounds.com/company/meticulous)** Series A · US · Pulse 2.0 **$15M** With 12 others - **Oct** **[Ultra Robotics Corp.](https://millionrounds.com/company/ultra-robotics-corp)** Series A · US · Silicon Angle **$50M** With 2 others - **Oct** **[Vitalize](https://millionrounds.com/company/vitalize)** Series A · US · MedCity News **$31M** With 6 others - **Oct** **[Flai](https://millionrounds.com/company/flai)** Series A · US · LatamList **$27M** With 5 others - **Oct** **[Sensible Biotechnologies](https://millionrounds.com/company/sensible-biotechnologies)** Series A · SK · The Recursive **$47M** With 12 others - **Oct** **[Nous Research](https://millionrounds.com/company/nous-research)** Series B · US · Firms' own news pages **$90M** With 6 others - **Oct** **[Beyond Reach Labs](https://millionrounds.com/company/beyond-reach-labs)** Seed · US · AlleyWatch **$10M** With 4 others - **Sept** **[Jeeves](https://millionrounds.com/company/jeeves)** Series C · LatamList **$110M** With 13 others - **Sept** **[Bird.com](https://millionrounds.com/company/bird-com)** Debt · NL · Ventureburn **$450M** With 9 others - **Sept** **[Numeral](https://millionrounds.com/company/numeral)** Series C · US · Ventureburn **$100M** With 7 others - **Sept** **[Hubble Network](https://millionrounds.com/company/hubble-network)** Series C · US · TechStartups **$200M** With 7 others - **Sept** **[Confido](https://millionrounds.com/company/confido)** Series B · US · AgFunderNews **$55M** With 6 others - **Sept** **[Angle Health](https://millionrounds.com/company/angle-health)** Series C · US · Portage **$200M** With 5 others - **Sept** **[Spott](https://millionrounds.com/company/spott)** Series A · BE · Ventureburn **$21M** With 3 others - **Sept** **[Angle Health](https://millionrounds.com/company/angle-health)** Series C · US · Blumberg Capital **$600M** With 5 others - **Sept** **[Raindrop](https://millionrounds.com/company/raindrop)** Series A · Lightspeed Venture Partners **$15M** With 3 others An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor. ## The team Named by the firm itself, on a filing, its Form ADV or its company registration **4 named** CL **Carolynn Levy** Gc; Y Combinator Management, LLC i Form ADV GT **Garry Tan** CEO/President i Form ADV JS **Jessica Shaw Livingston** Director; Y Combinator Management, LLC i Form ADV KL **Kirsty Louise Nathoo** CFO; Y Combinator Management, LLC i Form ADV We also hold **58** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them. ## What the register says From the firm's own filings with the SEC, which it must file accurately by law **$22B** gross assets of its funds Oct 2026 **1+** funds on file numbered funds in its name **Exempt** reporting adviser venture or small private funds - **Legal name:** Y Combinator Management, LLC - **SEC number:** CRD 171730 ## What they claim to have backed From their own portfolio page (on their website) **0** of 4 we have independently watched raise Paulgraham Startup School Tectonicdefense Theinformation Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded. ## Exits from the portfolio Companies it backed that were later bought or listed **117 in all** **[Dataform](https://millionrounds.com/company/dataform)** Bought by [Google](https://millionrounds.com/fund/google-assistant-investments) **Undisclosed** Dec 2020 **[Squad](https://millionrounds.com/company/squad)** Bought by [Twitter](https://millionrounds.com/fund/twitter) **Undisclosed** Dec 2020 **[Citus Data](https://millionrounds.com/company/citus-data)** Bought by [Microsoft](https://millionrounds.com/fund/microsoft) **Undisclosed** Jan 2019 **[Vidpresso](https://millionrounds.com/company/vidpresso)** Bought by [Facebook](https://millionrounds.com/fund/facebook) **Undisclosed** Aug 2018 **[Smyte](https://millionrounds.com/company/smyte)** Bought by [Twitter](https://millionrounds.com/fund/twitter) **$65M** Jun 2018 **[CoreOS](https://millionrounds.com/company/coreos)** Bought by Redhat **$250M** Jan 2018 **[bop.fm](https://millionrounds.com/company/bop-fm)** Bought by LifeLock **Undisclosed** Oct 2015 **[FOBO](https://millionrounds.com/company/fobo)** Bought by Gone! **Undisclosed** Oct 2015 **[DataRank](https://millionrounds.com/company/datarank)** Bought by Simply Measured **Undisclosed** Oct 2015 **[AlphaDraft](https://millionrounds.com/company/alphadraft)** Bought by FanDuel **Undisclosed** Sept 2015 **[FutureAdvisor](https://millionrounds.com/company/futureadvisor)** Bought by [BlackRock](https://millionrounds.com/fund/blackrock) **Undisclosed** Aug 2015 **[Standard Treasury](https://millionrounds.com/company/standard-treasury)** Bought by Silicon Valley Bank **Undisclosed** Aug 2015 **[Compose](https://millionrounds.com/company/compose)** Bought by [IBM (International Business Machines)](https://millionrounds.com/fund/ibm-international-business-machines) **Undisclosed** Jul 2015 **[SHIFT](https://millionrounds.com/company/shift)** Bought by Brand Networks **$50M** May 2015 **[Amiato](https://millionrounds.com/company/amiato)** Bought by [Amazon](https://millionrounds.com/fund/amazon) **Undisclosed** Apr 2015 **[Weilos](https://millionrounds.com/company/weilos)** Bought by [Weight Watchers International](https://millionrounds.com/fund/weight-watchers-international) **Undisclosed** Apr 2015 **[ReadyForZero](https://millionrounds.com/company/readyforzero)** Bought by Avant **Undisclosed** Mar 2015 **[Authy](https://millionrounds.com/company/authy)** Bought by [Twilio](https://millionrounds.com/fund/twilio-fund) **Undisclosed** Feb 2015 **[Launchpad Toys](https://millionrounds.com/company/launchpad-toys)** Bought by [Google](https://millionrounds.com/fund/google-assistant-investments) **Undisclosed** Feb 2015 **[Screenhero](https://millionrounds.com/company/screenhero)** Bought by [Slack](https://millionrounds.com/fund/slack) **Undisclosed** Jan 2015 The latest 20 here. An exit counts when it came after the firm's first round in the company. From historical deal records. ## The cheque Pre-seed Seed Series A Median round joined **$3.0M** the round, not its cheque Alone, median **$500K** Led 11 of 6,410 rounds **0%** - **Said size:** $500K – $500K - **Sole investor:** 1,835 rounds - **Last cheque:** Oct 2026 - **Exits:** 117 from the portfolio Rounds by stage said on their site - Seed said *2217* - Pre-seed said *1413* - Venture *1207* - Series A said *708* - Series B *288* - Series C *124* Cheques by month Led Joined Nov 2023 Oct 2026 Often in the room with - [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) 501 - [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) 331 - [Greycroft](https://millionrounds.com/fund/greycroft) 307 - [SV Angel](https://millionrounds.com/fund/sv-angel) 300 - [Soma Capital](https://millionrounds.com/fund/soma-capital) 251 - [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) 199 **Pitching Y Combinator?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Who they invest alongside The investors most often in the same rounds as Y Combinator. A count of rooms they were both in, not a relationship either has claimed. [**Pioneer Fund** Private equity **501** rounds together](https://millionrounds.com/fund/pioneer-fund-2)[**Liquid 2 Ventures** VC firm **331** rounds together](https://millionrounds.com/fund/liquid-2-ventures)[**Greycroft** VC firm **307** rounds together](https://millionrounds.com/fund/greycroft)[**SV Angel** VC firm **300** rounds together](https://millionrounds.com/fund/sv-angel)[**Soma Capital** VC firm **251** rounds together](https://millionrounds.com/fund/soma-capital)[**Alumni Ventures** VC firm **199** rounds together](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)[**Goodwater Capital** VC firm **186** rounds together](https://millionrounds.com/fund/goodwater-capital)[**Andreessen Horowitz** VC firm **183** rounds together](https://millionrounds.com/fund/andreessen-horowitz)[**General Catalyst** VC firm **178** rounds together](https://millionrounds.com/fund/general-catalyst)[**Rebel Fund** VC firm **177** rounds together](https://millionrounds.com/fund/rebel-fund)[**FundersClub** VC firm **168** rounds together](https://millionrounds.com/fund/fundersclub)[**Gaingels** Private equity **145** rounds together](https://millionrounds.com/fund/gaingels) ## Recently backed The latest companies Y Combinator put money into. [**Reflex** $14M · Oct 2026](https://millionrounds.com/company/reflex)[**Sava** $10M · Oct 2026](https://millionrounds.com/company/sava)[**Broccoli AI** $52M · Oct 2026](https://millionrounds.com/company/broccoli-ai)[**Easol** $30M · Oct 2026](https://millionrounds.com/company/easol)[**Infisical** $40M · Oct 2026](https://millionrounds.com/company/infisical)[**Vera Health** $29M · Oct 2026](https://millionrounds.com/company/vera-health) ## Books by the people here One book written by people at Y Combinator: [Jessica Livingston](https://millionrounds.com/person/jessica-livingston). - Founders at Work: Stories of Startups' Early Days [Jessica Livingston](https://millionrounds.com/person/jessica-livingston) · 2001 4.04 from 39,701 ratings on Goodreads About the book Founders at Work recounts the early struggles for independence and acceptance of many of modern technology’s giants, through personal interviews that are at times hilarious, at times painful, and always inspiring. As human-interest stories they will interest the same audience… On AmazonListen on Audible - Find the books for what you are building, or how you invest. [Open the Reading List](https://millionrounds.com/reading-list) As an Amazon Associate we earn from qualifying purchases. ## On podcasts 6 episodes naming Y Combinator in the title, and 4 more that mention it. - [The BetaKit Podcast](https://millionrounds.com/podcasts/betakit) 2 Feb 2026 · 1h 6m Why Y Combinator cut Canada out Mentions [Y Combinator](https://millionrounds.com/fund/y-combinator) Apple PodcastsShow page - [Uncapped](https://millionrounds.com/podcasts/uncapped) 17 Apr 2025 · 46 min Uncapped #7 | Garry Tan from Y Combinator Mentions [Garry Tan](https://millionrounds.com/fund/garry-tan)[Y Combinator](https://millionrounds.com/fund/y-combinator) Apple PodcastsShow page - [TBPN](https://millionrounds.com/podcasts/tbpn) 12 Nov 2024 · 3h 12m Low T Levels at Y Combinator, Founder Burnout, Taylor Lorenz Mentions [Y Combinator](https://millionrounds.com/fund/y-combinator) Apple PodcastsShow page - [Equity](https://millionrounds.com/podcasts/equity) 26 Jun 2024 · 22 min Y Combinator sets its sights on D.C. with Luther Lowe Mentions [Y Combinator](https://millionrounds.com/fund/y-combinator) Apple PodcastsShow page - [The Biotech Startups Podcast](https://millionrounds.com/podcasts/biotech-startups) 13 Jun 2024 · 23 min 🧬 Quin Wills - Ochre Bio - Part 4 | Quin’s Journey Through Y Combinator | The Role of Empathy in Team Dynamics | Adapting in a Shifting Biotech Industry | Ochre Bio’s Fundraising Journey & Future Plans Mentions [Y Combinator](https://millionrounds.com/fund/y-combinator) Apple PodcastsShow page - [The Twenty Minute VC](https://millionrounds.com/podcasts/20vc) 13 May 2024 · 1h 5m 20VC: Behind the Scenes at Y Combinator: The Interview Process | What the Best & Worst Do in the Program | Do the Best All Raise Pre-Demo Day & YC's Fundraising Advice to Startups | Why the Value is in Application Layer AI with Tom Blomfield With [Tom Blomfield](https://millionrounds.com/person/tom-blomfield) Mentions [Y Combinator](https://millionrounds.com/fund/y-combinator) Apple PodcastsShow page ### Mentioned in - [This Week in Startups](https://millionrounds.com/podcasts/this-week-in-startups) 1 Oct 2026 · 1h 18m Justin Kan & Brian Chesky: The Rejections That Built Twitch and Airbnb | E2344 Apple Podcasts - [This Week in Startups](https://millionrounds.com/podcasts/this-week-in-startups) 25 Sept 2026 · 1h 26m A rogue OpenAI agent hacked Australia’s government. Does this matter? | E2342 Apple Podcasts - [Origins: Inside Venture Capital](https://millionrounds.com/podcasts/origins-openlp) 21 Sept 2026 · 38 min Robinhood's Sarah Pinto: Bringing Private Markets to the Public Apple PodcastsShow page - [TBPN](https://millionrounds.com/podcasts/tbpn) 10 Sept 2026 · 1h 28m YC Demo Day, Spoon = Bent (Again), iPhone Duo Reactions | Garry Tan, Om Buddhdev, Karen Serfaty, Antonio Li, Edward Ge, Alfredo Gonzalez Apple PodcastsShow page ## Quick answers about Y Combinator ### What does Y Combinator invest in? Y Combinator invests most often at Seed and Pre-seed (61% of the rounds on record), in sectors such as Startups. ### How active is Y Combinator? 6,410 investments on record, 1,051 of them in the last 12 months, and it led 11. The most recent was in Oct 2026. ### What has Y Combinator invested in recently? Its most recent investments on record: Neuron Industries (Seed, Oct 2026), Reflex (Series A, Oct 2026) and Sava (Seed, Oct 2026). ### How big are Y Combinator's cheques? The median round it joins is $3.0M. It says it writes cheques of $500K to $500K. ### Does Y Combinator lead rounds? Sometimes: it led 11 of its 6,410 investments on record (0%). ### Where does Y Combinator invest? Most of the companies it backs are in the United States (68%) and India (8%). ### Is Y Combinator investing now? Yes: it is actively investing, with 1,051 investments in the last 12 months. ### Who does Y Combinator invest alongside? Most often Pioneer Fund (501 rounds together), Liquid 2 Ventures (331 rounds together) and Greycroft (307 rounds together). ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. 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