The Thomas D Klingenstein and Nancy D
The Thomas D Klingenstein and Nancy D is a private foundation, based in Cranbury, NJ. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $967K in total assets. In 2025, it awarded 6 grants totaling $2.1M. Net investment income was $30K.
The Thomas D Klingenstein and Nancy D at a glance
In short: The Thomas D Klingenstein and Nancy D gave $2.1M across 6 grants in 2025 (avg $350K), mostly in New York. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $2,098,941
- +935.2% vs 2024
- Grants made (2025)
- 6
- +0.0% vs 2024
- Average grant
- $349,824
- +935.2% vs 2024
- Median grant
- $10,000
- Total assets
- $966,660
- -16.0% vs 2024
- Primary geography
- New York (97% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who The Thomas D Klingenstein and Nancy D funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2025
The largest 2025 recipient was Columbia University ($2.0M). Together the top 6 received $2.1M.
Grant Size Distribution
32 grants across all recorded years
The most common grant size was under $50K: 21 grants of 32 (66%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 6 itemized grants.
Cities
How The Thomas D Klingenstein and Nancy D gives
- Giving grew 78% from 2022 to 2025. Method
- In 2025 it paid out 622% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $176K (2023) to $2.1M (2025). In 2025 it made 6 grants totaling $2.1M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Columbia University New York, NY | General Operations | $2,022,443 |
| Earlham College Richmond, IN | General Operations | $50,498 |
| Hope's Door Pleasantville, NY | General Operations | $10,000 |
| The Wild Center Tupper Lake, NY | General Operations | $10,000 |
| Educare DC Washington, DC | General Operations | $5,000 |
| Friends of Belgrade Public Library Belgrade, ME | General Operations | $1,000 |
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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 | $966,660 | $35,877 | $2,105,827 | $2,098,941 | 6 | $2,098,941 | $29,877 | $337,664 |
| 2024 | $1,150,336 | $165,514 | $210,782 | $202,750 | 6 | $202,750 | $40,366 | $363,242 |
| 2023 | $1,056,455 | $157,227 | $184,987 | $176,000 | 6 | $176,000 | $38,386 | $273,348 |
| 2022 | $1,082,345 | $137,601 | $1,185,482 | $1,180,006 | 8 | $1,180,006 | $38,151 | $306,878 |
| 2021 | $1,161,220 | $133,609 | $182,179 | $176,331 | 6 | $176,331 | $28,615 | $349,083 |
| 2020 | $1,159,662 | $126,637 | $1,230,260 | $1,222,743 | 8 | — | $35,335 | $287,847 |
Under IRS private-foundation payout rules, The Thomas D Klingenstein and Nancy D reported a distributable amount of $338K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Thomas D Klingenstein and Nancy D is led by Thomas D. Klingenstein, President, Treasurer & Class A Director on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Thomas D. Klingenstein
President, Treasurer & Class A Director
On filings since 2020
1 hr/week
No compensation reported
Anna-Rose Klingenstein
Class C Director
On filings since 2020
1 hr/week
No compensation reported
Nancy K. Simpkins
Vice President, Secretary & Class B Director
On filings since 2020
1 hr/week
No compensation reported
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.
Frequently asked questions about The Thomas D Klingenstein and Nancy D
How much does The Thomas D Klingenstein and Nancy D give each year?
The Thomas D Klingenstein and Nancy D gave $2.1M across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $203K across 6 grants.
What is The Thomas D Klingenstein and Nancy D's typical grant size?
The Thomas D Klingenstein and Nancy D's median grant in 2025 was $10,000, and its average grant was $349,824, across 6 grants on its 2025 IRS Form 990-PF.
Where does The Thomas D Klingenstein and Nancy D give grants?
The Thomas D Klingenstein and Nancy D gives mostly in New York: 97% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there.
Does The Thomas D Klingenstein and Nancy D give general operating support?
Yes: 100% of The Thomas D Klingenstein and Nancy D's 2025 grants with a stated purpose (6 of 6) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Thomas D Klingenstein and Nancy D's largest grantees?
The Thomas D Klingenstein and Nancy D's largest 2025 grantees include Columbia University ($2,022,443), Earlham College ($50,498) and Hope's Door ($10,000), according to its 2025 IRS Form 990-PF. Together they received 99% of its itemized 2025 grant dollars.
How large is The Thomas D Klingenstein and Nancy D?
The Thomas D Klingenstein and Nancy D reported $967K in total assets on its 2025 IRS Form 990-PF. It paid out $2.1M in qualifying distributions that year, against a required minimum of $338K (roughly 5% of its investment assets).
What is The Thomas D Klingenstein and Nancy D's EIN?
The Thomas D Klingenstein and Nancy D's EIN (Employer Identification Number) is 06-1524760. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
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 May 12, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work The Thomas D Klingenstein and Nancy D funds
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