The Charles and Dolores Zaionc Family
The Charles and Dolores Zaionc Family is a private foundation, based in Wilmington, DE. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $2.2M in total assets. In 2025, it awarded 5 grants totaling $80K. Net investment income was $72K.
The Charles and Dolores Zaionc Family at a glance
In short: The Charles and Dolores Zaionc Family gave $80K across 5 grants in 2025 (avg $16K), mostly in Wisconsin. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $80,000
- -20.0% vs 2024
- Grants made (2025)
- 5
- +0.0% vs 2024
- Average grant
- $16,000
- -20.0% vs 2024
- Median grant
- $10,000
- Total assets
- $2,172,979
- -1.4% vs 2024
- Primary geography
- Wisconsin (100% 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 Charles and Dolores Zaionc Family funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
The largest 2025 recipient was University of Wisconsin Parkside Foundation Inc ($50K across 2 grants). Together the top 4 received $80K.
Grant Size Distribution
30 grants across all recorded years
The most common grant size was under $50K: 27 grants of 30 (90%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 5 itemized grants.
States
Cities
How The Charles and Dolores Zaionc Family gives
- Giving fell 35% from 2022 to 2025. Method
- In 2025 it paid out 83% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 $46K (2020) to $123K (2022). In 2025 it made 5 grants totaling $80K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Wisconsin Parkside Foundation Inc Kenosha, WI | Fall 2025 | $25,000 |
| University of Wisconsin Parkside Foundation Inc Kenosha, WI | General & Unrestricted | $25,000 |
| Carthage College Kenosha, WI | General & Unrestricted | $10,000 |
| Gateway Technical College Foundation Inc Kenosha, WI | General & Unrestricted | $10,000 |
| Racine Founders Club Rotary Foundation Inc Racine, WI | General & Unrestricted | $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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $2,172,979 | $93,357 | $125,082 | $80,000 | 5 | $97,856 | $71,975 | $117,884 |
| 2024 | $2,204,704 | $308,903 | $149,316 | $100,000 | 5 | $120,409 | $281,796 | $113,437 |
| 2023 | $2,045,117 | $100,368 | $148,776 | $110,000 | 7 | $123,651 | $73,961 | $111,152 |
| 2022 | $2,093,525 | $-58,822 | $173,267 | $123,000 | 7 | $142,678 | — | $112,856 |
| 2021 | $2,325,614 | $240,634 | $173,669 | $120,835 | 6 | $139,533 | $207,964 | $126,753 |
| 2020 | $2,258,649 | $97,060 | $87,290 | $46,250 | 2 | — | $72,960 | $114,641 |
Under IRS private-foundation payout rules, The Charles and Dolores Zaionc Family reported a distributable amount of $118K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Charles and Dolores Zaionc Family is led by Elizabeth Ruthmansdorfer, Director, President & Secretary on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Elizabeth Ruthmansdorfer
Director, President & Secretary
On filings since 2020
2 hrs/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 Charles and Dolores Zaionc Family
How much does The Charles and Dolores Zaionc Family give each year?
The Charles and Dolores Zaionc Family gave $80K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $100K across 5 grants.
What is The Charles and Dolores Zaionc Family's typical grant size?
The Charles and Dolores Zaionc Family's median grant in 2025 was $10,000, and its average grant was $16,000, across 5 grants on its 2025 IRS Form 990-PF.
Where does The Charles and Dolores Zaionc Family give grants?
The Charles and Dolores Zaionc Family gives mostly in Wisconsin: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Kenosha, WI (4 grants).
Does The Charles and Dolores Zaionc Family give general operating support?
Yes: 80% of The Charles and Dolores Zaionc Family's 2025 grants with a stated purpose (4 of 5) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Charles and Dolores Zaionc Family's largest grantees?
The Charles and Dolores Zaionc Family's largest 2025 grantees include University of Wisconsin Parkside Foundation Inc ($50,000 across 2 grants), Carthage College ($10,000) and Gateway Technical College Foundation Inc ($10,000), according to its 2025 IRS Form 990-PF. Together they received 88% of its itemized 2025 grant dollars.
How large is The Charles and Dolores Zaionc Family?
The Charles and Dolores Zaionc Family reported $2.2M in total assets on its 2025 IRS Form 990-PF. It paid out $98K in qualifying distributions that year, against a required minimum of $118K (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 is The Charles and Dolores Zaionc Family's EIN?
The Charles and Dolores Zaionc Family's EIN (Employer Identification Number) is 20-3995538. 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 July 9, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work The Charles and Dolores Zaionc Family funds
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