Y Combinator
Y Combinator is a Pre-Seed, Seed venture capital firm based in US-SF investing in Other, Deep Tech, Consumer. The firm typically writes $125K–$500K checks and has 21 portfolio companies in our records.
Pre-Seed, Seed
$125K – $500K
$3.2B
21+ companies
10 partners
Investment Thesis
Make something people want. The startup accelerator that launched Airbnb, Stripe, and more.
How Y Combinator invests
Y Combinator is a vc firm based in US-SF. The firm invests at the Pre-Seed, Seed stages, with a focus on Other, Deep Tech, Consumer, Enterprise.
Y Combinator typically writes checks of $125K–$500K per investment, backed by approximately $3.2B in assets under management.
Investing since at least 2005, Y Combinator has backed 21 companies in our records, including Kalshi, Replit, Scale AI. Its most recent recorded investment was in 2019.
Meet the Team
Industry Focus
Invests In
Portfolio Companies (21)
2019
Kalshi
Kalshi reached an $11B valuation in 2025.
2018
Replit
Replit became a leading AI coding platform valued at over $3B.
2016
Scale AI
In 2025, Meta acquired 49% of Scale for over $14B.
2014
GitLab
GitLab went public in 2021 at an $11B valuation.
2013
DoorDash
DoorDash went public in 2020 at a valuation of $39B.
2012
Instacart
Instacart went public in 2023 at a $10B valuation.
Coinbase
Coinbase went public in 2021 at a $86B valuation.
2010
Stripe
"Payment infrastructure"
2009
Airbnb
"Home-sharing marketplace"
2007
Twitch
Twitch was acquired by Amazon for nearly $1B.
- •Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
- •Lead with your fit in Other, Deep Tech, Consumer — the sectors they actively back.
- •Size your ask to their typical $125K – $500K check.
- •Address your outreach to a specific partner, such as Derek Saylor, Head of Department.
- •A warm introduction beats a cold email. Get matched and request an intro.
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