The Klingenstein Third Generation Foundation
The Klingenstein Third Generation Foundation is a private foundation based in New York, New York. It supports research on ADHD and depression in children and adolescents through fellowship programs, and its 2025 grants went to universities, hospitals, and a professional association.
The Klingenstein Third Generation Foundation at a glance
In short: The Klingenstein Third Generation Foundation gave $788K across 16 grants in 2025 (avg $49K), top state North Carolina. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $788,123
- -27.2% vs 2024
- Grants made (2025)
- 16
- -23.8% vs 2024
- Average grant
- $49,258
- -4.5% vs 2024
- Median grant
- $50,000
- Total assets
- $24,442,659
- +181.5% vs 2024
- Primary geography
- North Carolina (19% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to The Klingenstein Third Generation Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. For the fellowship program, the academic researcher initiates the application process.
- Review Cycle
- The fellowship program description gives an annual application period of September 1 to December 15.
- Deadline
- The fellowship program description gives an annual application period of September 1 to December 15.
- Contact
Mailing address: 360 Madison Ave 7Th Floor, New York, NY 10017
Phone: (212) 583-1100
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Open Grants
2 open opportunities from The Klingenstein Third Generation Foundation
KTGF Fellowship Programs Grant
The Klingenstein Third Generation Foundation
Amount
Up to US $100,000
Deadline
Deadline not published
Transformation of Mental Health Care Program Grant
The Klingenstein Third Generation Foundation
Amount
US $200,000
Deadline
Deadline not published
Who The Klingenstein Third Generation Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was The University of North Carolina-Chapel Hill ($100K). Together the top 10 received $624K.
Organizations only. It also paid 1 grant to individuals ($100,000), which are not listed by name.
Grant Size Distribution
62 grants across all recorded years
The most common grant size was under $50K: 32 grants of 62 (52%).
Geographic Focus
Where this funder awards grants
The foundation is based in New York, New York. Its 2025 grant dollars went to recipients in North Carolina (19%), Pennsylvania (19%), Missouri (13%), Washington, DC (10%), and California (7%), among other states.
Grant Distribution by State
Share of 2025 grant dollars across all 16 itemized grants.
States
Cities
How The Klingenstein Third Generation Foundation gives
- 31% of 2025 grantees were also funded in 2024. Method
- Giving grew 246% from 2022 to 2025. Method
- In 2025 it paid out 95% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $228K (2022) to $1.1M (2024). In 2025 it made 16 grants totaling $788K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The University of North Carolina-Chapel Hill Chapel Hill, NC | Transformation of Mental Health Care | $100,000 |
| 1 grant to individuals Recipients not named | — | $100,000 |
| The Children's Hospital of Philadelphia Philadelphia, PA | Transformation of Mental Health Care | $100,000 |
| American Academy of Child & Adolescent Psychiatry Washington DC, DC | American Academy of Child & Adolescent Psychiatry | $74,123 |
| University of Denver Denver, CO | Adhd & Depression Fellowship | $50,000 |
| State University of Iowa Iowa City, IA | Adhd & Depression Fellowship | $50,000 |
| Duke University Durham, NC | Adhd & Depression Fellowship | $50,000 |
| Seatle Children's Hospital Seatle, WA | Adhd & Depression Fellowship | $50,000 |
| The Administrator of the Tulane Educational Fund New Orleans, LA | Adhd & Depression Fellowship | $50,000 |
| University of Pittsburgh Pittsburgh, PA | Adhd & Depression Fellowship | $50,000 |
Ready to take the next step with The Klingenstein Third Generation Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $24,442,659 | $20,493,841 | $1,283,649 | $788,123 | 16 | $1,243,015 | $457,707 | $1,305,339 |
| 2024 | $8,683,022 | $1,017,291 | $1,400,151 | $1,083,150 | 21 | $1,380,954 | $213,523 | $476,050 |
| 2023 | $9,066,359 | $181,400 | $670,899 | $309,650 | 9 | $653,257 | $100,413 | $417,095 |
| 2022 | $9,562,667 | $120,124 | $492,423 | $227,950 | 1 | $393,096 | $74,432 | $470,893 |
| 2021 | $9,927,679 | $4,802,541 | $550,129 | $364,500 | 15 | — | $4,735,199 | $397,878 |
| 2020 | $5,769,444 | $197,502 | $559,937 | $374,938 | 11 | — | $136,737 | $391,557 |
Under IRS private-foundation payout rules, The Klingenstein Third Generation Foundation reported a distributable amount of $1.3M for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its fellowship program supports post-doctoral and junior faculty research into the causes, prevention, and treatment of ADHD or depression in children and adolescents, particularly those from low-income families, under-resourced communities, or other minoritized populations with limited supports and resources.
Its 2025 grants included support for the transformation of mental health care and ADHD and depression fellowships. Recipients included universities, hospitals, and a professional association. The American Academy of Child & Adolescent Psychiatry describes its mission as promoting healthy development of children, adolescents, and families through advocacy, education, and research, and meeting the professional needs of child and adolescent psychiatrists. The University of Denver describes its mission as promoting learning through scholarly inquiry, critical and creative thought, and knowledge generation. The University of Pittsburgh describes itself as a public research university serving its region, Pennsylvania, and the nation through education, research, and community partnership.
Grantmaking
In filing year 2025, the foundation reported 16 grants totaling $788,123. Grant amounts ranged from $2,500 to $100,000, with a median of $50,000. The largest grants included $100,000 each to the University of North Carolina–Chapel Hill, an individual recipient, and the Children’s Hospital of Philadelphia, each for the transformation of mental health care. The American Academy of Child & Adolescent Psychiatry received $74,123. Six listed institutions received $50,000 each for ADHD and depression fellowships: the University of Denver, State University of Iowa, Duke University, Seattle Children’s Hospital, the Tulane Educational Fund, and the University of Pittsburgh. Columbia University and the University of California, Davis, also received $50,000 each for ADHD and depression fellowships. Icahn School of Medicine at Mount Sinai received $2,500.
The KTGF Fellowship Programs grant is described as an active program offering up to $100,000 over two years. The program description says the academic researcher must initiate the application and may then invite others to help with the request. It states that the application portal opens annually on September 1 and closes on December 15; those dates are the stated annual cycle, rather than a confirmed 2026 application window.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Andrew Klingenstein as chairman and CEO; Nancy Simpkins as vice president and treasurer; Sarah Martell as trustee and secretary; Kathy Klingenstein as trustee; and Eliot Brenner, PhD, as executive director and trustee.
The Klingenstein Third Generation Foundation is led by Andrew Klingenstein, Chairman & CEO since 2023 (on filings since 2020); 1 of 5 officers listed in 2025 is compensated.
Officers on the 2025 filing
Andrew Klingenstein
Chairman & CEO
President → Chairman & CEO, 2023
On filings since 2020
0.3 hrs/week
No compensation reported
Eliot Brenner Ph D.
Executive Director & Trustee
Excecutive Director & Trustee → Executive Director & Trustee, 2024
On filings since 2023
4 hrs/week
$39K (2023) → $71K (2025)
Sarah Martell
Trustee & Secretary
Director → Trustee, 2023
Trustee → Trustee & Secretary, 2024
On filings since 2020
0.3 hrs/week
$963 (2020) → $0 (2025)
Kathy Klingenstein
Trustee
Director → Trustee, 2023
On filings since 2020
No compensation reported
Nancy Simpkins
Vice President & Treasurer
Secretary → Vice President, 2023
Vice President → Vice President & Treasurer, 2024
On filings since 2020
3 hrs/week
No compensation reported
Former officers (2)
- Former: Thomas Klingenstein (2020–2023) — Past Treasurer
- Former: Eliot Brenner (2020–2022) — Trustee
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $71K, to Eliot Brenner PH D (Executive Director, Trustee).
Frequently asked questions about The Klingenstein Third Generation Foundation
How much does The Klingenstein Third Generation Foundation give each year?
The Klingenstein Third Generation Foundation gave $788K across 16 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.1M across 21 grants.
What is The Klingenstein Third Generation Foundation's typical grant size?
The Klingenstein Third Generation Foundation's median grant in 2025 was $50,000, and its average grant was $49,258, across 16 grants on its 2025 IRS Form 990-PF.
Where does The Klingenstein Third Generation Foundation give grants?
The Klingenstein Third Generation Foundation's top state is North Carolina, with 19% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Pennsylvania (19%) and Missouri (13%). The most frequent recipient cities were Washington DC, DC (2 grants) and New York, NY (2 grants).
Does The Klingenstein Third Generation Foundation give general operating support?
Not in 2025: none of the 16 grants with a stated purpose on The Klingenstein Third Generation Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Adhd & Depression Fellowship" (8 grants), "Transformation of Mental Health Care" (3 grants) and "Medical School Program" (3 grants).
Who are The Klingenstein Third Generation Foundation's largest grantees?
The Klingenstein Third Generation Foundation's largest 2025 grantees include The University of North Carolina-Chapel Hill ($100,000), The Children's Hospital of Philadelphia ($100,000) and American Academy of Child & Adolescent Psychiatry ($74,123), according to its 2025 IRS Form 990-PF. It also paid 1 grant to individuals ($100,000), which are not listed by name. Together they received 35% of its itemized 2025 grant dollars.
How large is The Klingenstein Third Generation Foundation?
The Klingenstein Third Generation Foundation reported $24.4M in total assets on its 2025 IRS Form 990-PF. It paid out $1.2M in qualifying distributions that year, against a required minimum of $1.3M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does The Klingenstein Third Generation Foundation fund?
No mission statement for the foundation is provided. See mission & focus areas ↑
How do I apply for a grant from The Klingenstein Third Generation Foundation?
The foundation states that it does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Klingenstein Third Generation Foundation's EIN?
The Klingenstein Third Generation Foundation's EIN (Employer Identification Number) is 13-3732439. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Klingenstein Third Generation Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 17, 2026)
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). The Klingenstein Third Generation Foundation funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/the-klingenstein-third-generation-foundation-morg_0030c7affe9e44b5bce538b083d590b1
BibTeX
@misc{grantable_133732439_2026,
author = {{Grantable}},
title = {{The Klingenstein Third Generation Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-klingenstein-third-generation-foundation-morg_0030c7affe9e44b5bce538b083d590b1},
note = {Accessed 2026-10-10. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Klingenstein Third Generation Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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