All investorsQ2 2026Q2 2026Q4 2024
Y Combinator is a startup accelerator in Mountain View, CA. It invests at pre-seed to seed, it leads rounds and its latest fund is $1.7B.
Y Combinator
AcceleratorMountain View, CA
Runs a three-month, in-person startup program in San Francisco four times a year, open to any sector, from idea stage through pre-Series-A companies.Source
At a glance
- Stage
- Pre-seed to Seed
- Industry
- Generalist
- Lead
- Leads
- How to pitch
- Application form
What they look for
Runs a fixed batch program that invests in every accepted company as soon as it is accepted, without waiting for the batch to start. Pairs each company with a dedicated partner and builds toward a Demo Day where startups pitch a selected group of investors.
Latest fund
- Fund size
- $1.7B
Their largest fund closed in the last two years, per SEC filings. This is the fund's size, not a check size.
From SEC filings
Funds
YCA26, L.P.
$728M closed from their investors
YCP26, L.P.
$1.7B closed from their investors
YC ECO24, L.P.
$89M closed from their investors
19 venture funds in total. Shown here are the ones that filed in the last two years.
Fund filings by quarter
Q3 2024Q2 2026
SourcesLast updated 29 September 2026
Told us whether they lead, how they take pitches, how to apply and what they look for. Checked 23 September 2026.
Told us their logo and the name they go by. Checked 23 September 2026.
Told us what they invest in and the stage they invest at. Checked 23 September 2026.
Told us the one-line description above and what kind of investor they are. Checked 23 September 2026.
Website
Confirmed as theirs on 29 September 2026.
SEC Form D, 3 filings
Funds, partners and board seats. Filed between 21 November 2024 and 27 April 2026.
SEC Form ADV
Firm name, office and fund count. CRD 171730. Last filed 27 March 2026.