OPEN SOCIETY INSTITUTE

EIN 13-7029285501(c)(3)Private foundationActive

224 W 57TH ST FL 4TH/DESK 410B, NEW YORK, NY · IRS data through FY2023

Total revenue
$436,327,089
FY2023 · −23% vs FY2022
Total expenses
$390,477,522
FY2023
Net assets
$4,540,940,298
FY2023

Revenue, expenses and net assets

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Revenue Expenses Net assets

Tax yearRevenueExpensesNet assets
FY2023$436,327,089$390,477,522$4,540,940,298
FY2022$564,227,312$364,425,841$4,523,238,338
FY2021$988,350,898$556,436,293$5,118,059,995
FY2020$526,468,189$379,422,137$3,194,406,884
FY2019$208,513,497$740,424,892$2,772,123,300
FY2015$369,708,179$186,759,132$2,420,757,828
FY2014$173,259,416$179,965,911$1,598,675,401
FY2013$155,644,135$190,444,407$953,693,942
FY2012$325,168,087$585,166,446$492,637,834
FY2011$202,469,577$208,625,687$809,484,886

Grants paid

Total contributions, gifts and grants paid by year, as reported on Form 990-PF. Individual recipients are not published. See private foundations in NY. See the largest grantmakers.

Tax yearGrants paid
FY2023$210,328,203
FY2022$177,174,007
FY2021$325,360,110
FY2020$166,113,839
FY2019$517,607,887
FY2015$18,229,144
FY2014$22,999,309
FY2013$47,507,220
FY2012$454,723,483
FY2011$100,759,049

What the numbers show

Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.

IRS status

Ruling year1994
Subsection501(c)(3)
ClassificationPrivate foundation
Program area (NTEE)T23 — Philanthropy, Voluntarism & Grantmaking Foundations (in NY)
DonationsDonations are generally tax-deductible (private operating foundation).

Similar organizations

Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded September 20, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.

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