Before you apply to The Klingenstein Third Generation Foundation
Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.
Private Foundation
THE KLINGENSTEIN THIRD GENERATION FOUNDATION
THE KLINGENSTEIN THIRD GENERATION FOUNDATION is a Private Foundation headquartered in NEW YORK, NY. Financial data from the 2025 filing: $20.5M revenue, $1.3M expenses, $24.4M total assets. IRS filings disclose 113 grants awarded by this foundation, totaling roughly $3.9M.
EIN: 133732439
NEW YORK, NY
Private Grantmaking Foundations
NTEE: T20
Latest filing: 2025
Total Revenue$20.5M
Total Expenses$1.3M
Total Assets$24.4M
Grants Given113
Grant Total$3.9M
Filing Years2021–2025
Sample Grants Given
THE CHILDREN'S HOSPITAL OF PHILADELPHIA
TRANSFORMATION OF MENTAL HEALTH CARE
$100,000
WASHINGTON UNIVERSITY - SPONSORED PROJECTS
TRANSFORMATION OF MENTAL HEALTH CARE
$100,000
THE UNIVERSITY OF NORTH CAROLINA-CHAPEL HILL
TRANSFORMATION OF MENTAL HEALTH CARE
$100,000
AMERICAN ACADEMY OF CHILD & ADOLESCENT PSYCHIATRY
AMERICAN ACADEMY OF CHILD & ADOLESCENT PSYCHIATRY
$74,123
STATE UNIVERSITY OF IOWA
ADHD & DEPRESSION FELLOWSHIP
$50,000
Showing up to 5 of 113 total records — full history available with membership.
Officers & Directors
CHAIRMAN, CEO
Andrew Klingenstein
EXECUTIVE DIRECTOR, TRUSTEE
Eliot Brenner Ph D
TRUSTEE
Kathy Klingenstein
VICE PRESIDENT, TREASURER
Nancy Simpkins
TRUSTEE, SECRETARY
Sarah Martell
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $20.5M | $1.3M | $24.4M |
| 2024 | $1.0M | $1.4M | $8.7M |
| 2023 | $181K | $671K | $9.1M |
| 2022 | $120K | $492K | $9.6M |
| 2021 | $4.8M | $550K | $9.9M |
Between 2021 and 2025, reported annual revenue grew from $4.8M to $20.5M (+327%), with total assets most recently reported at $24.4M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in CA, CO, CT, DC, IA, IL, and 4 other states.
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Full geographic grant map with state-by-state breakdown available with membership.