Mackensen Trust
Mackensen Trust is a private foundation, based in Bristow, OK. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $5.6M in total assets. In 2025, it awarded 5 grants totaling $265K. Net investment income was $349K.
Mackensen Trust at a glance
In short: Mackensen Trust gave $265K across 5 grants in 2025 (avg $53K), mostly in Oklahoma. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $265,340
- -22.8% vs 2024
- Grants made (2025)
- 5
- +25.0% vs 2024
- Average grant
- $53,068
- -38.2% vs 2024
- Median grant
- $50,000
- Total assets
- $5,645,491
- +6.6% vs 2024
- Primary geography
- Oklahoma (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 Mackensen Trust funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Bristow Golf Course Board Inc ($180K across 2 grants). Together the top 3 received $200K.
Organizations only. It also paid 1 grant to individuals ($65,280), which are not listed by name.
Grant Size Distribution
24 grants across all recorded years
The most common grant size was under $50K: 14 grants of 24 (58%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 5 itemized grants.
States
Cities
How Mackensen Trust gives
- Giving grew 49% from 2022 to 2025. Method
- In 2025 it paid out 116% 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 2019 to 2025, annual grant giving ranged from $141K (2021) to $344K (2024). In 2025 it made 5 grants totaling $265K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Bristow Golf Course Board Bristow, OK | Paving Road and Parking Lots | $130,060 |
| 1 grant to individuals Recipients not named | — | $65,280 |
| Bristow Golf Course Board Inc Bristow, OK | Operations and Maintenance Equipment | $50,000 |
| Freeland Center for Performing Arts Bristow, OK | Sponsorships | $15,000 |
| Bristow Fraternal Order of Police Bristow, OK | Shop with a Cop | $5,000 |
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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 | $5,645,491 | $389,410 | $346,811 | $265,340 | 5 | $306,074 | $348,673 | $264,616 |
| 2024 | $5,297,171 | $375,615 | $417,196 | $343,500 | 4 | $380,346 | $338,765 | $238,021 |
| 2023 | $4,560,982 | $114,017 | $261,516 | $197,100 | 5 | $229,308 | $81,809 | $214,074 |
| 2022 | $4,178,539 | $101,843 | $248,291 | $177,885 | 5 | $213,087 | $66,639 | $217,892 |
| 2021 | $4,707,464 | $72,056 | $209,142 | $141,308 | 5 | — | $38,138 | $217,238 |
| 2019 | $4,164,167 | $534,399 | $265,149 | $201,692 | 6 | — | $502,669 | $205,756 |
Under IRS private-foundation payout rules, Mackensen Trust reported a distributable amount of $265K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Mackensen Trust's 2025 filing lists 3 officers; all 3 officers listed in 2025 are compensated.
Officers on the 2025 filing
Robert Wyatt
Trustee
On filings since 2019
1 hr/week
$3K (2019) → $4K (2025)
Roy Hiskett
Trustee
On filings since 2019
1 hr/week
$3K (2019) → $4K (2025)
Stan Earnhardt
Foundation Mana
On filings since 2019
15 hrs/week
$46K (2019) → $57K (2025)
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $57K, to Stan Earnhardt (Foundation Mana). 3 officers or directors reported compensation on that filing.
Frequently asked questions about Mackensen Trust
How much does Mackensen Trust give each year?
Mackensen Trust gave $265K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $344K across 4 grants.
What is Mackensen Trust's typical grant size?
Mackensen Trust's median grant in 2025 was $50,000, and its average grant was $53,068, across 5 grants on its 2025 IRS Form 990-PF.
Where does Mackensen Trust give grants?
Mackensen Trust gives mostly in Oklahoma: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Bristow, OK (4 grants).
Does Mackensen Trust give general operating support?
Not in 2025: none of the 5 grants with a stated purpose on Mackensen Trust's 2025 IRS Form 990-PF were described as general or operating support.
Who are Mackensen Trust's largest grantees?
Mackensen Trust's largest 2025 grantees include Bristow Golf Course Board Inc ($180,060 across 2 grants), Freeland Center for Performing Arts ($15,000) and Bristow Fraternal Order of Police ($5,000), according to its 2025 IRS Form 990-PF. It also paid 1 grant to individuals ($65,280), which are not listed by name. Together they received 75% of its itemized 2025 grant dollars.
How large is Mackensen Trust?
Mackensen Trust reported $5.6M in total assets on its 2025 IRS Form 990-PF. It paid out $306K in qualifying distributions that year, against a required minimum of $265K (roughly 5% of its investment assets).
What is Mackensen Trust's EIN?
Mackensen Trust's EIN (Employer Identification Number) is 68-6223606. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 11, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS July 7, 2026)
- IRS filings on file for fiscal years 2021–2024
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Browse active grant opportunities in Mackensen Trust's focus areas in our free grants database
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