Kistler Ritso Foundation
Kistler Ritso Foundation is a private foundation, based in Stuart, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $4.3M in total assets. In 2024, it awarded 6 grants totaling $481K. Net investment income was $87K.
Kistler Ritso Foundation at a glance
In short: Kistler Ritso Foundation gave $481K across 6 grants in 2024 (avg $80K), top state Virginia. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $481,256
- +12.3% vs 2023
- Grants made (2024)
- 6
- +20.0% vs 2023
- Average grant
- $80,209
- -6.4% vs 2023
- Median grant
- $41,755
- Total assets
- $4,286,082
- -0.3% vs 2023
- Primary geography
- Virginia (4% 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 Kistler Ritso Foundation funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2024
The largest 2024 recipient was University of Tartu ($291K). Together the top 4 received $481K.
Grant Size Distribution
25 grants across all recorded years
The most common grant size was under $50K: 15 grants of 25 (60%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 6 itemized grants.
Cities
How Kistler Ritso Foundation gives
- Giving grew 1589% from 2021 to 2024. Method
- In 2024 it paid out 261% 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 $29K (2020) to $509K (2022). In 2024 it made 6 grants totaling $481K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Tartu | Creative Destruction | $290,657 |
| Kistler-Risto Estonian Foundation | Nova Project, Vabamu | $87,089 |
| Kistler-Risto Estonian Foundation | Global Conversations Program | $54,391 |
| Kistler-Risto Estonian Foundation | Stanford Travel Program | $29,119 |
| Institute for Justice Arlington, VA | Seminars | $10,000 |
| Young America's Foundation Reston, VA | Seminars | $10,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $4,286,082 | $31,114 | $580,142 | $481,256 | 6 | $546,475 | $87,425 | $209,631 |
| 2023 | $4,299,726 | $222,497 | $486,285 | $428,619 | 5 | $483,101 | $198,580 | $203,865 |
| 2022 | $4,119,296 | $212,653 | $652,478 | $509,150 | 8 | $634,312 | $168,658 | $199,316 |
| 2021 | $5,355,770 | $276,403 | $148,012 | $28,500 | 3 | $116,746 | $253,563 | $270,501 |
| 2020 | $5,024,214 | $533,153 | $118,542 | $28,500 | 3 | — | $306,455 | $231,142 |
Under IRS private-foundation payout rules, Kistler Ritso Foundation reported a distributable amount of $210K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Kistler Ritso Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Andrew Thompson
Trustee
On filings since 2020
8 hrs/week
No compensation reported
Michael Keller
Trustee
On filings since 2020
8 hrs/week
No compensation reported
Former officers (1)
- Former: Sylvia Thompson (2020–2021) — Trustee
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 Kistler Ritso Foundation
How much does Kistler Ritso Foundation give each year?
Kistler Ritso Foundation gave $481K across 6 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $429K across 5 grants.
What is Kistler Ritso Foundation's typical grant size?
Kistler Ritso Foundation's median grant in 2024 was $41,755, and its average grant was $80,209, across 6 grants on its 2024 IRS Form 990-PF.
Does Kistler Ritso Foundation give general operating support?
Not in 2024: none of the 6 grants with a stated purpose on Kistler Ritso Foundation's 2024 IRS Form 990-PF were described as general or operating support.
Who are Kistler Ritso Foundation's largest grantees?
Kistler Ritso Foundation's largest 2024 grantees include University of Tartu ($290,657), Kistler-Risto Estonian Foundation ($170,599 across 3 grants) and Institute for Justice ($10,000), according to its 2024 IRS Form 990-PF. Together they received 98% of its itemized 2024 grant dollars.
How large is Kistler Ritso Foundation?
Kistler Ritso Foundation reported $4.3M in total assets on its 2024 IRS Form 990-PF. It paid out $546K in qualifying distributions that year, against a required minimum of $210K (roughly 5% of its investment assets).
Where does Kistler Ritso Foundation operate?
Kistler Ritso Foundation has awarded grants in California, New York, Virginia, Washington.
What is Kistler Ritso Foundation's EIN?
Kistler Ritso Foundation's EIN (Employer Identification Number) is 91-1732102. 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 Kistler Ritso Foundation funds
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