Fund family · SEC Form D record

Y Combinator ES funds

Y Combinator ES has 3 vehicles on the SEC Form D record, in 3 numbered generations, filed from 2020 to 2026. The newest is Y Combinator ES26, LLC, first filed Apr 27, 2026.

Vehicles
3
Numbered generations
3
First filing
2020
Latest filing
Apr 27, 2026

Names, dates and status as filed on SEC EDGAR. A Form D is a notice of an exempt offering; the SEC does not review or approve it. Grouped by name; see the last question below.

Fund XXVI

1 vehicle · first filed

VehicleSleeveFirst filedLatest filingFiling recordSEC
Y Combinator ES26, LLCCIK 2131827Filed within 13 monthsEDGAR

Sold to date and investors

Unlock in the terminal (Investor)

Fund XXIV

1 vehicle · first filed

VehicleSleeveFirst filedLatest filingFiling recordSEC
Y Combinator ES24, LLCCIK 2018779No amendment after 13 monthsEDGAR

Sold to date and investors

Unlock in the terminal (Investor)

Fund XX

1 vehicle · first filed

VehicleSleeveFirst filedLatest filingFiling recordSEC
Y Combinator ES20, LLCCIK 1811911No amendment after 13 monthsEDGAR

Sold to date and investors

Unlock in the terminal (Investor)

Questions about the Y Combinator ES funds

How many Y Combinator ES funds are there?
The SEC Form D record shows 3 vehicles in 3 numbered generations, the earliest filed May 14, 2020 and the latest filing on Apr 27, 2026. By generation: Fund XXVI (Y Combinator ES26, LLC, first filed Apr 27, 2026); Fund XXIV (Y Combinator ES24, LLC, first filed Apr 9, 2024); Fund XX (Y Combinator ES20, LLC, first filed May 14, 2020).
What is the latest Y Combinator ES fund?
Y Combinator ES26, LLC, which first filed a Form D on Apr 27, 2026. Its own page carries the filed terms, the people named on the form and every filing on EDGAR.
Who is the adviser to the Y Combinator ES funds?
AltStreet has not joined a Form ADV adviser to this family's Form D filings. The adviser, if any, appears in each fund's offering documents, which a Form D does not include.
How much have the Y Combinator ES funds raised?
Each vehicle reports an amount sold and an investor count on its latest Form D or amendment, and those figures are on each vehicle's entity page. The totals by generation are in the AltStreet Terminal (Investor), where master and parallel sleeves that report one family-wide figure are counted once.
How does AltStreet group these funds into a family?
By name: the base name minus the fund number, sleeve letters, jurisdiction and legal form, read from each issuer's Form D (lib/edgar/fundFamilies.ts). 'Fund IV' is generation 4; a vehicle whose name carries no number is listed as unnumbered. It is a name-based grouping, not a statement of common control; the filings on each entity page show the related persons as filed.