GLENSTONE FOUNDATION

EIN 20-5938416501(c)(3)Private foundationActive

12100 GLEN RD, POTOMAC, MD · IRS data through FY2023

Total revenue
$266,804,717
FY2023 · +101% vs FY2022
Total expenses
$51,950,857
FY2023
Net assets
$2,742,955,489
FY2023

Revenue, expenses and net assets

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Revenue Expenses Net assets

Tax yearRevenueExpensesNet assets
FY2023$266,804,717$51,950,857$2,742,955,489
FY2022$132,610,613$44,935,436$2,577,746,647
FY2021$1,895,507,815$43,236,693$2,552,109,185
FY2020$596,667,510$45,366,231$2,206,404,996
FY2019$370,037,724$36,359,265$1,935,317,427
FY2015$510,714,990$11,612,324$1,259,285,320
FY2014$434,244,213$6,274,223$1,013,886,192
FY2013$399,868,661$6,615,107$801,452,653
FY2012$255,152,094$4,143,134$629,894,848
FY2011$233,180,526$3,856,361$480,090,488

Grants paid

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

Tax yearGrants paid
FY2023$2,824,691
FY2022$6,320,299
FY2021$8,510,012
FY2020$5,280,455
FY2019$544,607
FY2015$852,098
FY2014$227,500
FY2013$121,000
FY2012$185,500
FY2011$266,000

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 year2007
Subsection501(c)(3)
ClassificationPrivate foundation
Program area (NTEE)A40 — Arts, Culture & Humanities
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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