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Y Combinator

335 Pioneer Way, Mountain View, CA, 94041, United States

Overview

Startup accelerator providing funding and mentorship to early-stage compani

Founded

2005

Deals · 12mo

351

Links

WebsiteLinkedInX (Twitter)

Stage focus

Seed
Series A

Geographic focus

United States

Sector focus

Artificial Intelligence (AI)
Augmented Reality
Finance
Financial Services
...

Investment portfolio

1838rounds
NAMEDATESIZE
Sensible Biotechnologies
Oct 2026Participated
$27 MSeries A
Rhem Labs
Oct 2026Led
$0.50 MSeed
Vitalize
Oct 2026Participated
$31 MSeries A
Flai
Oct 2026Participated
$27 MSeries A
Ocular AI
Oct 2026Participated
$2 MSeed
Tash
Oct 2026Led
$0.50 MSeed
Revnu
Oct 2026Participated
$3 MSeed
Salvy
Oct 2026Participated
$2 MSeed
Halluminate
Oct 2026Participated
$30 MSeries A
Hop Aero
Oct 2026Participated
$11 MSeed
The Subvocal Company
Sep 2026Participated
$0.80 MSeed
Jeeves Inc.
Sep 2026Participated
$110 MSeries C
Sensible Biotechnologies
Oct 2026Participated
$27 MSeries A
Rhem Labs
Oct 2026Led
$0.50 MSeed
Vitalize
Oct 2026Participated
$31 MSeries A
Flai
Oct 2026Participated
$27 MSeries A
Ocular AI
Oct 2026Participated
$2 MSeed
Tash
Oct 2026Led
$0.50 MSeed
Revnu
Oct 2026Participated
$3 MSeed
Salvy
Oct 2026Participated
$2 MSeed
Halluminate
Oct 2026Participated
$30 MSeries A
Hop Aero
Oct 2026Participated
$11 MSeed
The Subvocal Company
Sep 2026Participated
$0.80 MSeed
Jeeves Inc.
Sep 2026Participated
$110 MSeries C
1,838
Items
...
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Insights

Time horizon

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Deal Distribution

Y Combinator: 1,838 funding rounds are recorded in the selected participation categories.All available history.
Y Combinator: 1,838 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed111749
Series A11422
Series B8154
Series C+1090
Accelerator42
Other Equity57214
Debt06

Monthly Deal Activity

Y Combinator: 1,838 deals are recorded across 202 months.All available history.
Y Combinator: 1,838 deals are recorded across 202 months. All available history
MonthDeals
Jan '101
Feb '100
Mar '100
Apr '100
May '100
Jun '100
Jul '100
Aug '100
Sep '100
Oct '100
Nov '100
Dec '100
Jan '110
Feb '113
Mar '111
Apr '111
May '112
Jun '112
Jul '111
Aug '112
Sep '110
Oct '111
Nov '113
Dec '110
Jan '120
Feb '124
Mar '122
Apr '120
May '124
Jun '121
Jul '121
Aug '121
Sep '123
Oct '123
Nov '122
Dec '124
Jan '130
Feb '132
Mar '133
Apr '132
May '130
Jun '131
Jul '132
Aug '132
Sep '131
Oct '131
Nov '130
Dec '130
Jan '142
Feb '146
Mar '144
Apr '141
May '142
Jun '145
Jul '143
Aug '140
Sep '140
Oct '142
Nov '144
Dec '141
Jan '154
Feb '153
Mar '151
Apr '153
May '151
Jun '152
Jul '157
Aug '154
Sep '152
Oct '153
Nov '154
Dec '151
Jan '164
Feb '167
Mar '166
Apr '161
May '161
Jun '163
Jul '162
Aug '1610
Sep '163
Oct '161
Nov '162
Dec '164
Jan '174
Feb '173
Mar '178
Apr '171
May '179
Jun '174
Jul '178
Aug '176
Sep '177
Oct '179
Nov '173
Dec '174
Jan '183
Feb '185
Mar '188
Apr '186
May '182
Jun '1811
Jul '187
Aug '1812
Sep '186
Oct '1811
Nov '188
Dec '185
Jan '198
Feb '199
Mar '198
Apr '1910
May '198
Jun '1910
Jul '1911
Aug '199
Sep '1914
Oct '1910
Nov '1912
Dec '199
Jan '205
Feb '2012
Mar '2011
Apr '206
May '208
Jun '209
Jul '2014
Aug '2016
Sep '2015
Oct '2016
Nov '208
Dec '2018
Jan '2110
Feb '2114
Mar '2113
Apr '2118
May '2115
Jun '2114
Jul '2116
Aug '2124
Sep '2110
Oct '2117
Nov '2121
Dec '2113
Jan '2218
Feb '2218
Mar '2217
Apr '227
May '2217
Jun '2227
Jul '2222
Aug '2218
Sep '2215
Oct '2211
Nov '2217
Dec '228
Jan '2314
Feb '2315
Mar '236
Apr '239
May '2312
Jun '2310
Jul '2315
Aug '2314
Sep '2310
Oct '2314
Nov '2312
Dec '2318
Jan '2413
Feb '2419
Mar '2422
Apr '2416
May '2422
Jun '2414
Jul '2417
Aug '2421
Sep '2419
Oct '2422
Nov '2417
Dec '2411
Jan '2513
Feb '2518
Mar '2515
Apr '2518
May '2520
Jun '2515
Jul '2522
Aug '2517
Sep '2525
Oct '2534
Nov '2533
Dec '2530
Jan '2629
Feb '2622
Mar '2631
Apr '2630
May '2622
Jun '2630
Jul '2631
Aug '2626
Sep '2634
Oct '2610

Sector Breakdown

Y Combinator: Enterprise Software is the largest displayed sector by deal count (686 deals).All available history.

A deal can appear in multiple sectors, so sector totals may overlap. Capital represents disclosed total round sizes, not fund cheque sizes.

Y Combinator: Enterprise Software is the largest displayed sector by deal count (686 deals). All available history
SectorDeals
Enterprise Software686
AI & Machine Learning598
Networks, Cloud & Communication441
Fintech395
Health & Life Sciences285
Professional Services249
Data, Analytics & IT224
Developer Tools218
E-Commerce & Retail179
Transportation & Logistics143
Hardware & Robotics124
Marketing & Advertising114
Cybersecurity & Privacy96
Space & Frontier Tech93
Consumer & Lifestyle80
Media & Entertainment69
Education & Workforce64
Real Estate & Construction61
Food & Agriculture56
Social & Community Platforms55
Clean Energy & Sustainability48
Manufacturing46
Crypto & Blockchain36
Government & Defense28
AR/VR20
Travel & Hospitality18
Gaming & eSports14

Deal Size Distribution

Y Combinator: 1,838 rounds have a disclosed size in the displayed size bands.All available history.

Undisclosed round sizes are excluded. Capital represents total round sizes, not fund cheque sizes.

Y Combinator: 1,838 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M810
$5M-$10M301
$10M-$25M390
$25M-$50M160
$50M-$100M96
$100M-$250M58
$250M-$500M15
$500M-$1B4
$1B+4

Deals By Geography

Y Combinator: United States has the largest recorded deal count among the displayed regions (1,419 deals).All available history.

Top 10 of 49 regions; European countries are grouped as Europe.

Y Combinator: United States has the largest recorded deal count among the displayed regions (1,419 deals). All available history
RegionDeals
United States1,419
Europe153
India59
Canada39
Nigeria21
Singapore21
Mexico15
Brazil13
Israel12
Indonesia12
Y Combinator: 20 co-investors are shown, with Soma Capital sharing 111 recorded deals.All available history.

Co-Investors

Bubble size = shared deals

Click a bubble to open that fund in a new tab.

Shows up to 20 co-investors ranked by shared deals. Deals may be shared with multiple funds, so rows overlap. Capital is total round size, not fund cheque size.

Y Combinator: 20 co-investors are shown, with Soma Capital sharing 111 recorded deals. All available history
Co-investorShared deals
Soma Capital111
SV Angel101
Andreessen Horowitz92
Pioneer Fund91
General Catalyst87
Liquid 2 Ventures86
Accel64
FundersClub62
Khosla Ventures61
Initialized Capital56
Rebel Fund56
Sequoia Capital55
First Round51
BoxGroup45
Peak XV Partners43
Global Founders Capital41
Goodwater Capital39
Gradient Ventures36
Felicis Ventures35
Index Ventures34

Investment Strategy

Y Combinator: Led accounts for 11% and participating for 89% of round participation.All available history.
Y Combinator: Led accounts for 11% and participating for 89% of round participation. All available history
CategoryDeals (count)Share (%)
Led20111%
Participating1,63789%
Y Combinator: Single-lead accounts for 56% and co-led for 44% of lead dynamics.All available history.
Y Combinator: Single-lead accounts for 56% and co-led for 44% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead11256%
Co-led8944%

Team

Aaron Epstein
Andrew Miklas

Founder

Brad Flora
Cédric Tempestini
Dalton Caldwell

Partner and Managing Director

Diana Hu
Finbarr Taylor

Cofounder, CEO

Francois Chaubard

Founder

Garry Tan

Founder

Grey Baker
Gustaf Alströmer 🇺🇦
Harjeet Taggar

Group Partner

Jared Friedman

Group Partner

Jesse Evans

Batch S22

Jessica Livingston

Partner

JJ Fliegelman
Jonathan Levy

Managing Director

Kat Manalac

Managing Outreach Officer/Head of Outreach

Max Kolysh

Co-founder, CEO

Michael Seibel

Co-Founder