The Markos Foundation Inc

Private foundation · Grantmaker Madison, WI EIN: 39-1836400

The Markos Foundation Inc is a private foundation based in Madison, Wisconsin. Its 2025 filing reports 16 grants totaling $103,500 to organizations in Wisconsin, Indiana, Illinois, Iowa, and Oklahoma.

The Markos Foundation Inc at a glance

In short: The Markos Foundation Inc gave $104K across 16 grants in 2025 (avg $6K), top state Wisconsin. 25% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$103,500
-4.6% vs 2024
Grants made (2025)
16
-15.8% vs 2024
Average grant
$6,469
+13.3% vs 2024
Median grant
$2,500
Total assets
$2,294,374
+4.9% vs 2024
New grantees (estimate)
25% first-time grantees (4 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 Markos Foundation Inc

Accepts unsolicited proposals
No
How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: PO Box 5507, Madison, WI 53705
Phone: (312) 630-6000

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The Markos Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

University of Notre Dame: $25KUniversity of Notre Dame$25KMarquette University: $25KMarquette University$25KWisconsin Women's Health Foundation Inc: $13KWisconsin Women's HealthFoundation Inc$13KLeo Catholic High School: $10KLeo Catholic High School$10KAmerican Red Cross: $5KAmerican Red Cross$5KReedsburg Police Department: $5KReedsburg Police Department$5KPickles Group Inc: $5KPickles Group Inc$5KUniv of Wisconsin - Lacrosse: $3KUniv of Wisconsin - Lacrosse$3KFolds of Honor: $3KFolds of Honor$3KErika's Lighthouse: $3KErika's Lighthouse$3K

The largest 2025 recipient was University of Notre Dame ($25K). Together the top 10 received $95K.

Grant Size Distribution

92 grants across all recorded years

92<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 92 grants of 92 (100%).

Geographic Focus

Where this funder awards grants

In 2025, Wisconsin recipients received 47% of grant dollars, Indiana recipients 24%, Illinois recipients 18%, Iowa recipients 7%, and Oklahoma recipients 2%.

Grant Distribution by State

12states

Share of 2025 grant dollars across all 16 itemized grants.

Cities

MadisonChicagoWinnetkaMilwaukeeNotre DamePlattevilleNew YorkWaverlyEau ClaireKamuelaLa CrosseOrange CityTulsaWinonaBooneElkhornHonouluCarol StreamDeerfield BeachDes Plaines

Is The Markos Foundation Inc open to new grantees?

25%

first-time grantees, 2025

In 2025, 4 of 16 grantees (25%) 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 $3K; repeat grants $8K. How we count

Medians: $3K first-time, $4K repeat.

  • 56% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+7%). Method
  • In 2025 it paid out 82% 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 (2021–2025). 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

$0$50K$100K$150K15 grants2021 17 grants2022 25 grants2023 19 grants2024 16 grants2025

From 2021 to 2025, annual grant giving ranged from $81K (2021) to $124K (2023). In 2025 it made 16 grants totaling $104K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
University of Notre Dame Notre Dame, INGeneral Support$25,000
Marquette University Milwaukee, WIGeneral Support$25,000
Wisconsin Women's Health Foundation Inc Madison, WIGeneral Support$12,500
Leo Catholic High School Chicago, ILGeneral Support$10,000
American Red Cross Boone, IAHurricane Relief Fund$5,000
Reedsburg Police Department Reedsburg Parks, WIGeneral Support$5,000
Pickles Group Inc Winnetka, ILGeneral Support$5,000
Univ of Wisconsin - Lacrosse Lacrosse, WIScholarship$2,500
Folds of Honor Tulsa, OKGeneral Support$2,500
Erika's Lighthouse Winnetka, ILGeneral Support$2,500
Your AI grants department

Ready to take the next step with The Markos Foundation Inc?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$2,294,374$255,743$148,987$103,50016$136,023$234,258$166,192
2024$2,187,225$104,078$141,164$108,50019$133,239$86,023$148,239
2023$2,229,603$241,460$164,723$124,00025$146,834$208,697$134,545
2022$2,160,061$289,936$136,858$96,50017$126,747$271,564$149,422
2021$2,005,187$154,091$122,646$80,50015—$132,887$137,538

Under IRS private-foundation payout rules, The Markos Foundation Inc reported a distributable amount of $166K 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 filings do not state a mission. Its 2025 grants included general support, scholarships, and hurricane relief. Among its grantees, Marquette University describes its mission as a Catholic, Jesuit commitment to truth, learning, excellence, faith, and leadership through service. Wisconsin Women’s Health Foundation says it works to innovate, impact, and improve women’s health in Wisconsin. Pickles Group says it provides free peer support and resources to children affected by a parent or guardian’s cancer. Wartburg College describes its mission as challenging and nurturing students for lives of leadership and service.

Grantmaking

In 2025, the foundation reported 16 grants totaling $103,500. Grant amounts ranged from $500 to $25,000, with a median of $2,500. The largest grants were $25,000 each to the University of Notre Dame and Marquette University, followed by $12,500 to Wisconsin Women’s Health Foundation and $10,000 to Leo Catholic High School. Other reported grants included $5,000 to the American Red Cross for its Hurricane Relief Fund and $2,500 each to the University of Wisconsin–La Crosse, Folds of Honor, the University of Wisconsin–Platteville, and Wartburg College.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Dennis Markos as president and director, and Carol Markos as vice president, secretary, and treasurer.

The Markos Foundation Inc is led by Dennis Markos, President & Director on every filing since 2021; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Dennis Markos

    President & Director

    On filings since 2021

    No compensation reported

  • Carol Markos

    Vice President, Secretary & Treasurer

    On filings since 2021

    No compensation reported

Data from IRS Form 990 filings, 2021–2025. "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 Markos Foundation Inc

How much does The Markos Foundation Inc give each year?

The Markos Foundation Inc gave $104K across 16 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $109K across 19 grants.

What is The Markos Foundation Inc's typical grant size?

The Markos Foundation Inc's median grant in 2025 was $2,500, and its average grant was $6,469, across 16 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Markos Foundation Inc that year got $3K on average.

Where does The Markos Foundation Inc give grants?

The Markos Foundation Inc's top state is Wisconsin, with 47% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Indiana (24%) and Illinois (18%). The most frequent recipient cities were Madison, WI (2 grants) and Winnetka, IL (2 grants).

Does The Markos Foundation Inc give general operating support?

Yes: 75% of The Markos Foundation Inc's 2025 grants with a stated purpose (12 of 16) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Scholarship" (3 grants).

Who are The Markos Foundation Inc's largest grantees?

The Markos Foundation Inc's largest 2025 grantees include University of Notre Dame ($25,000), Marquette University ($25,000) and Wisconsin Women's Health Foundation Inc ($12,500), according to its 2025 IRS Form 990-PF. Together they received 60% of its itemized 2025 grant dollars.

How large is The Markos Foundation Inc?

The Markos Foundation Inc reported $2.3M in total assets on its 2025 IRS Form 990-PF. It paid out $136K in qualifying distributions that year, against a required minimum of $166K (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 Markos Foundation Inc fund?

The foundation’s filings do not state a mission. Its 2025 grants included general support, scholarships, and hurricane relief. Among its grantees, Marquette University describes its mission as a Catholic, Jesuit commitment to truth, learning, excellence, faith, and leadership through service. See mission & focus areas ↑

How do I apply for a grant from The Markos Foundation Inc?

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is The Markos Foundation Inc's EIN?

The Markos Foundation Inc's EIN (Employer Identification Number) is 39-1836400. IRS Form 990 filing data is available on this page for 2021–2025.

Does The Markos Foundation Inc accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2021 (received by the IRS February 7, 2022)
  2. Updated Form 990-PF for fiscal year 2022 (received by the IRS March 13, 2023)
  3. Updated Form 990-PF for fiscal year 2023 (received by the IRS April 1, 2024)
  4. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 14, 2025)
  5. Updated Form 990-PF for fiscal year 2025 (received by the IRS February 6, 2026)
  6. IRS filings on file for fiscal years 2021–2025

Explore Open Grants

Browse active grant opportunities in The Markos Foundation Inc's focus areas in our free grants database

Similar Funders

Funders with grantees in common, and similar funders in Wisconsin

Alliant Energy Foundation Inc

Madison, WI

Assets

$28.5M

Grants

929

Total Given

$2.4M

Enterprise Holdings Foundation

Saint Louis, MO

The Enterprise Holdings Foundation supports charitable and educational nonprofits in communities where Enterprise Mobility operates, focusing on health, education, arts, and disaster relief; applicants must be actively supported by an Enterprise Mobility team member, spouse, or domestic partner. Giving varies widely: it reported 9,499 grants in 2024, but its 2025 filing showed one grant of $101.4 million, so that amount is not a typical award. Applications are accepted at any time through eligible Enterprise-affiliated applicants; the Foundation does not limit giving to preselected organizations.

Assets

$594.3M

Grants

1

Total Given

$101.4M

Thrivent Charitable Impact & Investing

Appleton, WI

Thrivent Charitable Impact & Investing distributes donor-directed and program donations to a broad range of causes and organizations in local, national, and global communities. Its 2024 grants had a median of $11,520 and ranged from $5,006 to $5 million. The profile does not state whether it accepts unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$939.7M

Grants

2,565

Total Given

$84.6M

Greater Milwaukee Foundation Inc

Milwaukee, WI

The Greater Milwaukee Foundation funds nonprofit programs, projects, general operations and capital needs, with priorities including early childhood education, housing, basic needs, health, arts and culture, and scientific research. Its competitive grants primarily serve Milwaukee, Ozaukee, Washington and Waukesha counties; in 2024, the median grant was about $27,800, though awards varied widely. It runs competitive grant cycles, but whether it accepts unsolicited requests is not stated.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.1B

Grants

838

Total Given

$66.8M

Give Back Foundation

Madison, WI

Give Back Foundation distributes donor-designated contributions through workplace giving and other giving platforms to selected 501(c)(3) charities, rather than setting its own cause areas. In 2025, grants had a median of $9,066, with recipient organizations concentrated in Virginia, California, and Washington, D.C.; it does not accept unsolicited requests or work directly with charities.

Assets

$31.3M

Grants

639

Total Given

$40.1M

United Way of Greater Milwaukee & Waukesha County Inc

Milwaukee, WI

United Way of Greater Milwaukee & Waukesha County funds local human services and community programs focused on housing stability, digital access, employment, teen mental wellness, and community resilience. Its 2025 grants ranged from $5,000 to about $2 million, with a median of about $34,000, and most funding went to Wisconsin, especially its four-county region. It requires a Letter of Intent before a full application; the listed 2026–27 Letter of Intent deadline has passed.

Philanthropy, Voluntarism & Grantmaking

Assets

$50.8M

Grants

639

Total Given

$42.7M

More similar funders

More Funders in Wisconsin

Cite this profile

Grantable. (2026). The Markos Foundation Inc funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/the-markos-foundation-inc-morg_da3dfad59d6646caa033ad1d8429d2db

BibTeX
@misc{grantable_391836400_2026,
  author       = {{Grantable}},
  title        = {{The Markos Foundation Inc funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-markos-foundation-inc-morg_da3dfad59d6646caa033ad1d8429d2db},
  note         = {Accessed 2026-10-12. 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 Markos Foundation Inc'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.

The Markos Foundation Inc down — hundreds of funders to go?

Want AI to do this for you?