Klingenstein Foundation
Klingenstein Foundation is a private foundation, based in New Canaan, CT. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $877K in total assets. In 2024, it awarded 8 grants totaling $57K. Net investment income was $72K.
Klingenstein Foundation at a glance
In short: Klingenstein Foundation gave $57K across 8 grants in 2024 (avg $7K), top state Colorado. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $56,850
- -82.8% vs 2023
- Grants made (2024)
- 8
- +100.0% vs 2023
- Average grant
- $7,106
- -91.4% vs 2023
- Median grant
- $375
- Total assets
- $877,087
- -0.7% vs 2023
- Primary geography
- Colorado (44% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who Klingenstein Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2024
The largest 2024 recipient was Schwab Charitable Fund ($25K). Together the top 8 received $57K.
Grant Size Distribution
30 grants across all recorded years
The most common grant size was under $50K: 28 grants of 30 (93%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 8 itemized grants.
Cities
How Klingenstein Foundation gives
- Giving grew 203% from 2021 to 2024. Method
- In 2024 it paid out 229% 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 2024, annual grant giving ranged from $15K (2022) to $330K (2023). In 2024 it made 8 grants totaling $57K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Schwab Charitable Fund Lone Tree, CO | Support of Organization | $25,000 |
| Vanguard Charitable Warwick, RI | Support of Organization | $25,000 |
| The New York Historical Society New York, NY | Support of Organization | $5,500 |
| National Public Radio (NPR) Baltimore, MD | Support of Organization | $500 |
| Scarsdale Ambulance Scarsdale, NY | Support of Organization | $250 |
| WCLA - Choice Matters White Plains, NY | Support of Organization | $250 |
| American Civil Liberties Union (ACLU) New York, NY | Support of Organization | $250 |
| Scarsdale Police Benevolent Associate Scarsdale, NY | Support of Organization | $100 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $877,087 | $73,362 | $79,597 | $56,850 | 8 | $56,850 | $71,630 | $24,781 |
| 2023 | $883,322 | $19,366 | $355,602 | $330,000 | 4 | $330,000 | $7,120 | $43,565 |
| 2022 | $1,219,558 | $-174,991 | $51,587 | $15,250 | 3 | $15,250 | — | $60,915 |
| 2021 | $1,705,143 | $62,347 | $27,125 | $18,750 | 1 | $18,750 | $53,622 | $84,150 |
| 2020 | $1,902,037 | $92,855 | $156,246 | $144,100 | 14 | — | $74,876 | $92,362 |
Under IRS private-foundation payout rules, Klingenstein Foundation reported a distributable amount of $25K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Klingenstein Foundation is led by Joanne K. Ziesing, President & Director on every filing since 2020; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Joanne K. Ziesing
President & Director
On filings since 2020
1 hr/week
No compensation reported
Peter Ziesing
Treasuer & Director
Treasurer & Director → Treasuer & Director, 2023
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "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 Klingenstein Foundation
How much does Klingenstein Foundation give each year?
Klingenstein Foundation gave $57K across 8 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $330K across 4 grants.
What is Klingenstein Foundation's typical grant size?
Klingenstein Foundation's median grant in 2024 was $375, and its average grant was $7,106, across 8 grants on its 2024 IRS Form 990-PF.
Where does Klingenstein Foundation give grants?
Klingenstein Foundation's top state is Colorado, with 44% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Rhode Island (44%) and New York (11%). The most frequent recipient cities were New York, NY (2 grants) and Scarsdale, NY (2 grants).
Does Klingenstein Foundation give general operating support?
Not in 2024: none of the 8 grants with a stated purpose on Klingenstein Foundation's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Support of Organization" (8 grants).
Who are Klingenstein Foundation's largest grantees?
Klingenstein Foundation's largest 2024 grantees include Schwab Charitable Fund ($25,000), Vanguard Charitable ($25,000) and The New York Historical Society ($5,500), according to its 2024 IRS Form 990-PF. Together they received 98% of its itemized 2024 grant dollars.
How large is Klingenstein Foundation?
Klingenstein Foundation reported $877K in total assets on its 2024 IRS Form 990-PF. It paid out $57K in qualifying distributions that year, against a required minimum of $25K (roughly 5% of its investment assets).
What is Klingenstein Foundation's EIN?
Klingenstein Foundation's EIN (Employer Identification Number) is 13-6077894. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Klingenstein Foundation funds
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