The Oak Foundation

Private foundation · Grantmaker Minneapolis, MN EIN: 27-4741901

The Oak Foundation is a private foundation based in Minneapolis, Minnesota. In 2024, it reported 19 grants totaling $137,500 to charitable organizations, including organizations working in end-of-life care, support for families with critically ill children, horse rescue, and environmental protection.

The Oak Foundation at a glance

In short: The Oak Foundation gave $138K across 19 grants in 2024 (avg $7K), top state Colorado. 21% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$137,500
-8.0% vs 2023
Grants made (2024)
19
-9.5% vs 2023
Average grant
$7,237
+1.7% vs 2023
Median grant
$5,000
Total assets
$1,936,150
-4.7% vs 2023
New grantees (estimate)
21% first-time grantees (4 of 19, 2024; small sample)
Primary geography
Colorado (43% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to The Oak Foundation

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 5628, Minneapolis, MN 55440-5628
Phone: (952) 674-2800

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

Who The Oak Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Our Lady of Peace: $25KOur Lady of Peace$25KEtown: $13KEtown$13KThere with Care: $13KThere with Care$13KColorado Horse Rescue: $10KColorado Horse Rescue$10KKenzi's Causes: $10KKenzi's Causes$10KTrout Unlimited: $10KTrout Unlimited$10KGrowing Gardens of Boulder: $8KGrowing Gardens of Boulder$8KAssistance Dogs of Hawaii: $5KAssistance Dogs of Hawaii$5KMinnesota Independence College and Community: $5KMinnesota Independence Collegeand Community$5KOcean Defenders Alliance: $5KOcean Defenders Alliance$5K

The largest 2024 recipient was Our Lady of Peace ($25K). Together the top 10 received $103K.

Grant Size Distribution

91 grants across all recorded years

90<$50K1$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 90 grants of 91 (99%).

Geographic Focus

Where this funder awards grants

The foundation’s 2024 grant dollars went to recipients in multiple states. The largest reported shares were Colorado (43%) and Minnesota (25%), followed by California (9%), Virginia (7%), and Hawaii (4%).

Grant Distribution by State

13states

Share of 2024 grant dollars across all 19 itemized grants.

Cities

BoulderSt. PaulDenverPortlandLos AngelesArlingtonAuroraHighlands RanchLongmontMakawaoAlexandriaCherry HillMinneapolisRichfieldAustinHuntington BeachSan DiegoWinnetkaIdaho SpringsNapa

Is The Oak Foundation open to new grantees?

21%

first-time grantees, 2024

In 2024, 4 of 19 grantees (21%) were first-time recipients. With only 19 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $4K; repeat grants $8K. How we count

Medians: $5K first-time, $5K repeat.

  • 74% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (−17%). Method
  • In 2024 it paid out 89% 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 (2020–2024). 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$100K$200K$300K17 grants2020 16 grants2021 18 grants2022 21 grants2023 19 grants2024

From 2020 to 2024, annual grant giving ranged from $138K (2024) to $233K (2022). In 2024 it made 19 grants totaling $138K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Our Lady of Peace St. Paul, MNUnrestricted$25,000
Etown Boulder, COUnrestricted$12,500
There with Care Boulder, CONational Expansion Program$12,500
Colorado Horse Rescue Longmont, COUnrestricted$10,000
Kenzi's Causes Aurora, COUnrestricted$10,000
Trout Unlimited Arlington, VAColorado Gold Program$10,000
Growing Gardens of Boulder Boulder, COUnrestricted$7,500
Assistance Dogs of Hawaii Makawao, HIAssistance Dogs Northwest$5,000
Minnesota Independence College and Community Richfield, MNUnrestricted$5,000
Ocean Defenders Alliance Huntington Beach, CAUnrestricted$5,000
Your AI grants department

Ready to take the next step with The Oak Foundation?

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
2024$1,936,150$85,177$180,512$137,50019$145,046$63,217$162,203
2023$2,031,485$126,949$210,476$149,50021$162,974$80,815$147,405
2022$2,115,012$62,040$284,899$232,91718$239,732$36,458$154,665
2021$2,337,871$263,873$185,515$166,00016$171,393$250,551$179,818
2020$2,259,513$-48,884$161,884$143,50017—$57,952$151,484

Under IRS private-foundation payout rules, The Oak Foundation reported a distributable amount of $162K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2024 grants went to organizations with varied missions. For example, Our Lady of Peace says it provides end-of-life comfort and care regardless of a person’s means, while There With Care says it supports families with critically ill children by helping meet basic needs during a medical crisis. Colorado Horse Rescue describes its mission as creating safe solutions for horses. Other 2024 grantees describe work that includes outdoor access, planting fruit trees in developing countries, protecting marine ecosystems, providing assistance-dog partnerships, and helping at-risk girls build confidence through interactions with horses and nature.

Grantmaking

In 2024, the foundation gave $137,500 through 19 grants. Grant amounts ranged from $1,500 to $25,000, with a median grant of $5,000.

The largest 2024 grants included $25,000 to Our Lady of Peace; $12,500 each to ETown and There With Care; and $10,000 each to Colorado Horse Rescue, Kenzi’s Causes, and Trout Unlimited. The filing listed the purposes for these grants as unrestricted, “National Expansion Program,” unrestricted, unrestricted, unrestricted, and “Colorado Gold Program,” respectively.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Sally L Macmillan as director/vice president; Robert Theiler as director/president/treasurer; Glenny Legendre and Tom McGinn as directors; John Henry Hullsiek as director/secretary; and Cargill Macmillan III as director/vice president.

The Oak Foundation is led by Robert Theiler, Director, President & Treasurer since 2023 (on filings since 2020); none of the 6 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Robert Theiler

    Director, President & Treasurer

    Director & Treasurer → Director, President & Treasurer, 2023

    On filings since 2020

    0.3 hrs/week

    $7K (2023) → $0 (2024)

  • John Henry Hullsiek

    Director & Secretary

    Director & Chairperson → Director & Secretary, 2023

    On filings since 2020

    2 hrs/week

    $3K (2023) → $0 (2024)

  • Cargill Macmillan III

    Director & Vice President

    Member → Director & Vice President, 2023

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Glenny Legendre

    Director

    Director & Vice President → Director, 2023

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Sally L. Macmillan

    Director & Vice President

    Director & President → Director & Vice President, 2023

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Tom McGinn

    Director

    On filings since 2020

    0.3 hrs/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.

Compensation Overview

From 2023 IRS filing

Robert Theiler — Director/President/Treasurer: $7KRobert TheilerDirector/President/Treasurer$7KJohn Henry Hullsiek — Director/Secretary: $3KJohn Henry HullsiekDirector/Secretary$3K

The highest reported compensation on the 2023 filing was $7K, to Robert Theiler (Director/President/Treasurer). 2 officers or directors reported compensation on that filing.

Frequently asked questions about The Oak Foundation

How much does The Oak Foundation give each year?

The Oak Foundation gave $138K across 19 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $150K across 21 grants.

What is The Oak Foundation's typical grant size?

The Oak Foundation's median grant in 2024 was $5,000, and its average grant was $7,237, across 19 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Oak Foundation that year got $4K on average.

Where does The Oak Foundation give grants?

The Oak Foundation's top state is Colorado, with 43% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Minnesota (25%) and California (9%). The most frequent recipient cities were Boulder, CO (3 grants) and St. Paul, MN (2 grants).

Does The Oak Foundation give general operating support?

Yes: 79% of The Oak Foundation's 2024 grants with a stated purpose (15 of 19) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are The Oak Foundation's largest grantees?

The Oak Foundation's largest 2024 grantees include Our Lady of Peace ($25,000), Etown ($12,500) and There with Care ($12,500), according to its 2024 IRS Form 990-PF. Together they received 36% of its itemized 2024 grant dollars.

How large is The Oak Foundation?

The Oak Foundation reported $1.9M in total assets on its 2024 IRS Form 990-PF. It paid out $145K in qualifying distributions that year, against a required minimum of $162K (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 Oak Foundation fund?

No mission statement for the foundation is provided. Its 2024 grants went to organizations with varied missions. See mission & focus areas ↑

How do I apply for a grant from The Oak Foundation?

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 Oak Foundation's EIN?

The Oak Foundation's EIN (Employer Identification Number) is 27-4741901. IRS Form 990 filing data is available on this page for 2020–2024.

Does The Oak Foundation 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

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

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

Similar Funders

Funders with grantees in common, and similar funders in Minnesota

The Minneapolis Foundation

Minneapolis, MN

The Minneapolis Foundation funds civic, social, and economic needs, including economic mobility, education, health, the environment, arts, and human services, with most grant dollars going to Minnesota. Its 2025 grants had a median of $25,000, though amounts varied widely. It says no funding opportunities are currently open; whether it accepts unsolicited requests is not stated.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.2B

Grants

1,565

Total Given

$121.7M

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

Saint Paul & Minnesota Foundation

St. Paul, MN

The Saint Paul & Minnesota Foundation funds community-led work in areas including economic opportunity, health and human services, youth and education, housing, and organizational capacity. Its 2025 grants had a median of $26,000; listed programs offer up to $50,000 for eligible East Metro work and up to $15,000 for qualifying Minnesota organizations. It accepts applications through specific programs, including rolling application opportunities; the Community Solutions Grant Program serves Dakota, Ramsey, and Washington counties.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.7B

Grants

1,473

Total Given

$107.2M

The Richard M Schulze Family Foundation

Minneapolis, MN

The Richard M. Schulze Family Foundation funds education, health care, and human services, including college scholarships, with most support benefiting working- and middle-class families in specified Minnesota and Florida counties; it also makes some national grants. Its 2024 grants had a median of $5,000, though awards ranged from $50 to $10 million. It plans to move to invitation-only grantmaking in 2027; whether it currently accepts unsolicited requests is not stated.

Assets

$218.3M

Grants

1,431

Total Given

$47.9M

Wells Fargo Foundation

Minneapolis, MN

Wells Fargo Foundation funds financial opportunity, affordable housing, small business growth, and some other local community needs across national and eligible local communities. Its 2025 grants ranged from $3,000 to $8 million, with a median of $35,000. It does not accept unsolicited requests; eligible organizations may submit a grant interest form to be considered for an invitation.

Philanthropy, Voluntarism & Grantmaking

Assets

$8.6M

Grants

1,376

Total Given

$157.4M

C K Blandin Foundation

Grand Rapids, MN

The C K Blandin Foundation funds rural Minnesota projects that build community wealth, improve rural places, strengthen small communities, and support capacity-building, with a primary focus on the Grand Rapids area. Rural grants are typically $25,000–$150,000; it does not accept unsolicited requests, offering opportunities through invitations or competitive RFPs.

Assets

$506.3M

Grants

931

Total Given

$15.8M

More similar funders

More Funders in Minnesota

Cite this profile

Grantable. (2026). The Oak Foundation funder profile. GrantGraph. Retrieved October 14, 2026, from https://grantable.co/funders/the-oak-foundation-morg_c5a73dab702b4efa97ff75ebd91873ed

BibTeX
@misc{grantable_274741901_2026,
  author       = {{Grantable}},
  title        = {{The Oak Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-oak-foundation-morg_c5a73dab702b4efa97ff75ebd91873ed},
  note         = {Accessed 2026-10-14. 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 Oak 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.

The Oak Foundation down — hundreds of funders to go?

Want AI to do this for you?