The Klingenstein Third Generation Foundation

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501(c)(3) charity; gifts are tax-deductible.
$71K paid to officers and key staff.
Status: IRS Pub. 78 · Pay: 990-PF Part VIII

Before you give

FY2025 · Form 990-PFIndependent: from IRS data, not the org
Download 990
IRS status
501(c)(3)
not on the IRS revocation list
Listed by the IRS and not on the revocation list.
IRS BMF · Auto-Revocation List
Tax-deductible gifts
Yes
Donations are tax-deductible
The IRS lists gifts to it as deductible.
IRS Pub. 78 · IRS BMF
Latest return
FY2025
latest Form 990-PF
The latest return is for FY2025, 1 tax year back.
IRS e-file · Filing history
Surplus or deficit
2 of 6
filings with a surplus
Average surplus $3.6M a year · 82% of revenue · last 6 filings
A surplus in 2 of the last 6 filings.
990-PF Pt I · 6 filings
Pay to officers and key staff
$71K
to officers and key staff · 6% of spending
Pay to officers and key staff is 6% of spending.
990-PF Part VIII
1.2 mo
of spending, in cash
1.2 months of spending in cash.
990-PF Pt II · Ln 1–2 · Pt I · Ln 26
Liabilities
$0
0% of total assets
Liabilities are 0% of assets.
990-PF Pt II · Ln 23
Revenue
$20.5M
×20 vs prior year
Spent
$1.3M
Net assets
$24.4M
By yearFY2020–FY2025
Revenue
$20.5M
FY2025▲ ×20
Tap a bar for its year
Revenue by fiscal year
FY2020$198K
FY2021$4.8M
FY2022$120K
FY2023$181K
FY2024$1.0M
FY2025$20.5M
Expenses
$1.3M
FY2025▼ -8%
Tap a bar for its year
Expenses by fiscal year
FY2020$560K
FY2021$550K
FY2022$492K
FY2023$671K
FY2024$1.4M
FY2025$1.3M
Net assets
$24.4M
FY2025▲ +181%
Tap a bar for its year
Net assets by fiscal year
FY2020$5.7M
FY2021$9.9M
FY2022$9.6M
FY2023$9.1M
FY2024$8.7M
FY2025$24.4M

From the FY2025 Form 990 (year ending September 2025) · see the original

Is it real?

Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Sep 1993.

IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File

Where the money goes

What each dollar paid for.

Grants & contributions paid 61% · $788K Operating & administrative 39% · $496K

Form 990-PF Part I, lines 24–26. Every line is in By the numbers.

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Who runs it and what they're paid

5 people listed on the 990-PF; $71K paid to officers and key staff (990-PF Part VIII).

990-PF Part VIII · reportable compensation · most recent filed roster (FY2024); the FY2025 filing did not itemize 990-PF Part VIII
Executive Director, Trustee
$71,019990-PF Pt VIII
Chairman, CEO
$0990-PF Pt VIII
Vice President, Treasurer
$0990-PF Pt VIII
Trustee, Secretary
$0990-PF Pt VIII
$0990-PF Pt VIII

Compensation history total reportable pay by year · 2 named individuals · 990-PF Part VIII

NameFY2025FY2024FY2021
Eliot Brenner Ph D$71,019$39,606—
Eliot Brenner——$37,159

Total reportable compensation (Form 990-PF Part VIII column (c) / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.

See The Klingenstein Third Generation Foundation executive salaries →

Programs and updates

A private foundation based in New York, NY.

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Grants and how to apply

Who it funds, and how to ask.

Who They Fund

Part XV · grants paid · 16 grants · $788K · 2024–2024
The Children's Hospital of PhiladelphiaFY2024$100,000
Washington University - Sponsored ProjectsFY2024$100,000
The University of North Carolina-Chapel HillFY2024$100,000
American Academy of Child & Adolescent PsychiatryFY2024$74,123
Regents of the University of Ca DavisFY2024$50,000
The Trustees of Columbia University in the NycFY2024$50,000
University of PittsburghFY2024$50,000
The Administrator of the Tulane Educational FundFY2024$50,000
Seatle Children's HospitalFY2024$50,000
Duke UniversityFY2024$50,000
State University of IowaFY2024$50,000
University of DenverFY2024$50,000
University of Illinois at ChicagoFY2024$5,000
Council of FoundationsFY2024$4,000
President & Fellows of Harvard CollegeFY2024$2,500
Icahn School of Medicine at Mount SinaiFY2024$2,500

Grantmaking Profile

Patterns in foundation giving
Average grantPart XV$49K
Median grantPart XV$50K
Largest grantPart XV$100K

By the numbers

The FY2025 990-PF, line by line.

1The main four
Money in
$20.5M
Gifts and grants$20.0M
Investment income$494K
Money out
$1.3M
Grants paid$788K
Running costs$496K
Owns and owes
$24.4M
net assets
Cash and savings$127K
Total assets$24.4M
Liabilities$0
People
5
listed
Paid1
2In more detail
Revenue in detail
Gifts and grants$20.0M
Investment income$494K
Total revenue$20.5M
Assets in detailEnd of year
Cash and savings together$127K
Total assets$24.4M
Liabilities$0
Net assets$24.4M
Operations
Fiscal year endsSeptember

Filing history

YearMoney inMoney outIn minus outNet assetsDownload
FY2025 Latest ViewingFiled with the IRS Aug 17, 2026 $20.5M$1.3M$19.2M$24.4M 990 PDF
FY2024Filed with the IRS Aug 13, 2025 $1.0M$1.4M−$383K$8.7M 990 PDF
FY2023Filed with the IRS Aug 15, 2024 $181K$671K−$489K$9.1M 990 PDF
FY2022Filed with the IRS Jun 14, 2023 $120K$492K−$372K$9.6M 990 PDF
FY2021Filed with the IRS Aug 12, 2022 $4.8M$550K$4.3M$9.9M 990 PDF
FY2020Filed with the IRS Jul 7, 2021 $198K$560K−$362K$5.7M 990 PDF

Schedules filed Part IV

G · Fundraising L · Interested persons R · Related orgs

Form 990 e-file (XML) FY2025 from the IRS · Classification, formation year and address from the IRS Business Master File

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