The Mark and Anne Hansen Foundation
The Mark and Anne Hansen Foundation is a private foundation based in Washington, DC. Its 2023 filing says its charitable activity consists mainly of contributions to a variety of charitable organizations.
The Mark and Anne Hansen Foundation at a glance
In short: The Mark and Anne Hansen Foundation gave $529K across 16 grants in 2025 (avg $33K), top state Wisconsin. 31% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $528,744
- +2.1% vs 2024
- Grants made (2025)
- 16
- +14.3% vs 2024
- Average grant
- $33,047
- -10.7% vs 2024
- Median grant
- $10,000
- Total assets
- $20,200,370
- +22.8% vs 2024
- New grantees (estimate)
- 31% first-time grantees (5 of 16, 2025; small sample)
- Primary geography
- Wisconsin (47% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Mark and Anne Hansen Foundation
- How to Apply
-
The filing lists “Trustee Co The Mark and Anne Hansen” as the contact, with no form or materials specified and no award restrictions. It says the foundation does not restrict giving to preselected organizations.
- Review Cycle
- None listed.
- Deadline
- None listed.
- Contact
Application contact: Trustee Co The Mark And Anne Hansen
Mailing address: 1615 M Street Nw Suite 400, Washington, DC 20036
Phone: (877) 829-5500
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Mark and Anne Hansen Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was University School of Milwaukee ($125K). Together the top 10 received $518K.
Grant Size Distribution
70 grants across all recorded years
The most common grant size was under $50K: 46 grants of 70 (66%).
Geographic Focus
Where this funder awards grants
The 2025 grant dollars were distributed among recipients in Wisconsin (47%), Washington, DC (20%), Vermont (19%), Maine (8%), and Illinois (2%). The listed grants also include recipients in Pennsylvania, Utah, and Massachusetts.
Grant Distribution by State
Share of 2025 grant dollars across all 16 itemized grants.
States
Cities
Is The Mark and Anne Hansen Foundation open to new grantees?
31%
first-time grantees, 2025
In 2025, 5 of 16 grantees (31%) were first-time recipients. With only 16 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $4K; repeat grants $46K. How we count
Medians: $1K first-time, $43K repeat.
- 50% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−14%). Method
- In 2025 it paid out 61% 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 (2019–2025). 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 2019 to 2025, annual grant giving ranged from $443K (2023) to $651K (2021). In 2025 it made 16 grants totaling $529K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University School of Milwaukee Milwaukee, WI | Donation | $125,000 |
| Lacrosse Central Alumni Foundation La Crosse, WI | Donation | $100,000 |
| Middlebury College Middlebury, VT | Donation | $100,000 |
| Bishop John T Walker School Fund Washington, DC | Donation | $50,000 |
| John F Kennedy Center for the Performing Arts Washington, DC | Donation | $50,000 |
| Bates College Lewiston, ME | Donation | $43,200 |
| Door County Land Trust Sturgeon Bay, WI | Donation | $20,000 |
| Association of Women Surgeons Chicago, IL | Donation | $10,000 |
| Humane Pennsylvania Reading, PA | Donation | $10,000 |
| Sundance Institute Park City, UT | Donation | $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 | $20,200,370 | $2,887,501 | $612,910 | $528,744 | 16 | $539,869 | $1,930,384 | $878,290 |
| 2024 | $16,444,389 | $464,074 | $591,938 | $518,024 | 14 | $527,024 | $405,564 | $734,748 |
| 2023 | $13,190,101 | $105,821 | $564,453 | $443,100 | 10 | $460,270 | $64,255 | $665,867 |
| 2022 | $11,846,478 | $2,821,560 | $700,274 | $617,500 | 12 | $626,500 | $1,673,081 | $683,718 |
| 2021 | $14,016,172 | $2,687,271 | $701,067 | $651,310 | 18 | — | $1,295,625 | $617,366 |
| 2020 | $9,929,231 | $522,085 | $607,463 | $533,570 | 21 | — | $348,189 | $460,231 |
| 2019 | $9,390,617 | $1,154,099 | $612,028 | $572,229 | 28 | — | $1,071,853 | $432,980 |
Under IRS private-foundation payout rules, The Mark and Anne Hansen Foundation reported a distributable amount of $878K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation’s filing describes its charitable activity as making contributions to a variety of charitable organizations; it does not state a separate mission. Its 2025 grants show support for a range of organizations. For example, University School of Milwaukee says its mission is to support the school in fulfilling its educational purposes; Door County Land Trust says it works to preserve Door County’s lands and waters; and Humane Pennsylvania says it helps communities care for animals.
Other 2025 recipients include colleges, the John F. Kennedy Center for the Performing Arts, Sundance Institute, and Gifts for the Homeless. Gifts for the Homeless says it serves the Washington, DC-area homeless population by providing clothing, blankets, toiletries, and related assistance through local support organizations.
Grantmaking
In 2025, the foundation reported 16 grants totaling $528,744. Grant amounts ranged from $250 to $125,000, with a median of $10,000.
Among the largest reported grants were $125,000 to University School of Milwaukee, $100,000 each to La Crosse Central Alumni Foundation and Middlebury College, $50,000 each to Bishop John T. Walker School Fund and the John F. Kennedy Center for the Performing Arts, and $43,200 to Bates College. Other reported grants included $20,000 to Door County Land Trust, $10,000 to Association of Women Surgeons, Humane Pennsylvania, and Sundance Institute, and $1,000 to Gifts for the Homeless.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Mark Hansen and Anne Hansen as grantors/trustees, and Elisabeth Carson, Caroline Hansen, and Charles Hansen as trustees.
The Mark and Anne Hansen Foundation's 2025 filing lists 5 officers; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Anne Hansen
Grantor & Trustee
On filings since 2019
No compensation reported
Caroline Hansen
Trustee
On filings since 2019
No compensation reported
Mark Hansen
Grantor & Trustee
On filings since 2019
No compensation reported
Elisabeth Carson
Trustee
On filings since 2020
No compensation reported
Charles Hansen
Trustee
On filings since 2023
No compensation reported
Former officers (1)
- Former: Elisabeth Hansen (2019) — Trustee
Data from IRS Form 990 filings, 2019–2025. "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 Mark and Anne Hansen Foundation
How much does The Mark and Anne Hansen Foundation give each year?
The Mark and Anne Hansen Foundation gave $529K across 16 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $518K across 14 grants.
What is The Mark and Anne Hansen Foundation's typical grant size?
The Mark and Anne Hansen Foundation's median grant in 2025 was $10,000, and its average grant was $33,047, across 16 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Mark and Anne Hansen Foundation that year got $4K on average.
Where does The Mark and Anne Hansen Foundation give grants?
The Mark and Anne Hansen Foundation's top state is Wisconsin, with 47% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were District of Columbia (20%) and Vermont (19%). The most frequent recipient cities were Washington, DC (5 grants) and Sturgeon Bay, WI (2 grants).
Does The Mark and Anne Hansen Foundation give general operating support?
Not in 2025: none of the 16 grants with a stated purpose on The Mark and Anne Hansen Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Donation" (16 grants).
Who are The Mark and Anne Hansen Foundation's largest grantees?
The Mark and Anne Hansen Foundation's largest 2025 grantees include University School of Milwaukee ($125,000), Lacrosse Central Alumni Foundation ($100,000) and Middlebury College ($100,000), according to its 2025 IRS Form 990-PF. Together they received 61% of its itemized 2025 grant dollars.
How large is The Mark and Anne Hansen Foundation?
The Mark and Anne Hansen Foundation reported $20.2M in total assets on its 2025 IRS Form 990-PF. It paid out $540K in qualifying distributions that year, against a required minimum of $878K (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 Mark and Anne Hansen Foundation fund?
The foundation’s filing describes its charitable activity as making contributions to a variety of charitable organizations; it does not state a separate mission. Its 2025 grants show support for a range of organizations. See mission & focus areas ↑
How do I apply for a grant from The Mark and Anne Hansen Foundation?
The filing lists “Trustee Co The Mark and Anne Hansen” as the contact, with no form or materials specified and no award restrictions. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Mark and Anne Hansen Foundation's EIN?
The Mark and Anne Hansen Foundation's EIN (Employer Identification Number) is 20-5794944. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS February 18, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS February 1, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS February 21, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS January 12, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 1, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS February 17, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 16, 2026)
- IRS filings on file for fiscal years 2019–2025
Live grants for the work The Mark and Anne Hansen Foundation funds
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Cite this profile
Grantable. (2026). The Mark and Anne Hansen Foundation funder profile. GrantGraph. Retrieved October 21, 2026, from https://grantable.co/funders/the-mark-and-anne-hansen-foundation-morg_222dc3cd076541dd93dc5e3b260c67c4
BibTeX
@misc{grantable_205794944_2026,
author = {{Grantable}},
title = {{The Mark and Anne Hansen Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-mark-and-anne-hansen-foundation-morg_222dc3cd076541dd93dc5e3b260c67c4},
note = {Accessed 2026-10-21. 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 Mark and Anne Hansen 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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