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Y Combinator Fintech portfolio in New York

The most prolific seed accelerator in the world, batch class twice a year. Filtered to Fintech companies headquartered in New York.

Built from a search like: “Y Combinator-backed Fintech companies in New York”

Ranked by current headcount across Y Combinator-backed Fintech companies in New York. Refreshed daily.

  1. 1
    Kalshi· New York, New York, United States
    • Corporate
    • 455 employees
    • Founded 2019
  2. 2
    Titan· New York, New York, United States
    • Series unknown
    • 339 employees
    • Founded 2017
  3. 3
    Enveritas· New York, New York, United States
    • Seed
    • 206 employees
    • Founded 2016
  4. 4
    Taktile· New York, New York, United States
    • Series B
    • 205 employees
    • Founded 2020
  5. 5
    Tremendous· New York, New York, United States
    • Seed
    • 176 employees
    • Founded 2010
  6. 6
    Parker· New York, New York, United States
    • Series B
    • 122 employees
    • Founded 2020
  7. 7
    Method· New York, New York, United States
    • Series A
    • 74 employees
    • Founded 2021
  8. 8
    Sable· New York, New York, United States
    • Seed
    • 69 employees
    • Founded 2017
  9. 9
    Long-Term Stock Exchange· New York, New York, United States
    • Series C
    • 66 employees
    • Founded 2015
  10. 10
    Mine· New York, New York, United States
    • Series A
    • 64 employees
    • Founded 2021
  11. 11
    Hadrius· New York, New York, United States
    • Seed
    • 62 employees
    • Founded 2023
  12. 12
    43North· Buffalo, New York, United States
    • Seed
    • 57 employees
    • Founded 2014
  13. 13
    OneChronos· New York, New York, United States
    • Series B
    • 55 employees
    • Founded 2015
  14. 14
    Atomic Invest· New York, New York, United States
    • Series unknown
    • 42 employees
    • Founded 2020
  15. 15
    Rove· New York, New York, United States
    • Seed
    • 37 employees
    • Founded 2023
  16. 16
    Ballerine· New York, New York, United States
    • Seed
    • 33 employees
    • Founded 2023
  17. 17
    Ledger Investing· New York, New York, United States
    • undisclosed
    • 31 employees
    • Founded 2016
  18. 18
    Spade· New York, New York, United States
    • Series B
    • 31 employees
    • Founded 2021
  19. 19
    Magna· New York, New York, United States
    • Seed
    • 28 employees
    • Founded 2022
  20. 20
    Haven· New York, New York, United States
    • Series A
    • 28 employees
    • Founded 2020
  21. 21
    Alinea Invest· New York, New York, United States
    • Debt
    • 27 employees
    • Founded 2021
  22. 22
    Axoni· New York, New York, United States
    • Series unknown
    • 25 employees
    • Founded 2017
  23. 23
    Attack Capital· New York City Metropolitan Area
    • Seed
    • 24 employees
    • Founded 2023
  24. 24
    Palm Drive Capital· New York, New York, United States
    • Seed
    • 24 employees
    • Founded 2014
  25. 25
    Catch· New York, New York, United States
    • Series A
    • 23 employees
    • Founded 2017

Y Combinator-backed Fintech companies in New York

The list above ranks Y Combinator-backed Fintech companies headquartered in New York by current headcount, drawn from public LinkedIn and Crunchbase records. With 54 matching companies in our index, you can see exactly where Y Combinator’s Fintech thesis has landed in New York.

Three filters — investor, industry, city — narrow the field to a tight cluster of operators with overlapping incentives. They share a thesis, a network, and a market. Hiring from this list usually means hiring someone already inside the Y Combinator Fintech world in New York.

Refolk converts this list into a live search. Ask for “Y Combinator Fintech companies in New Yorkhiring senior engineers” or “founders of Y Combinator-backed Fintech companies in New York who left in the last year” and Refolk returns a ranked shortlist.

How this list is built

Refolk pulled Fintech companies headquartered in New York whose disclosed Crunchbase investor list includes Y Combinator, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 06:59:46 GMT

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