Lothenbach Family Foundation
Lothenbach Family Foundation is a private foundation, based in Wayzata, MN. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $14.4M in total assets. In 2024, it awarded 5 grants totaling $555K. Net investment income was $993K.
Lothenbach Family Foundation at a glance
In short: Lothenbach Family Foundation gave $555K across 5 grants in 2024 (avg $111K), mostly in Minnesota. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $555,000
- -3.6% vs 2023
- Grants made (2024)
- 5
- -37.5% vs 2023
- Average grant
- $111,000
- +54.2% vs 2023
- Median grant
- $100,000
- Total assets
- $14,362,894
- +21.0% vs 2023
- Primary geography
- Minnesota (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who Lothenbach Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2024
The largest 2024 recipient was Mayo Clinic Cardiovascular Research Center ($300K). Together the top 5 received $555K.
Grant Size Distribution
33 grants across all recorded years
The most common grant size was under $50K: 12 grants of 33 (36%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 5 itemized grants.
Cities
How Lothenbach Family Foundation gives
- Giving held roughly steady from 2021 to 2024 (+13%). 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
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 2024, annual grant giving ranged from $491K (2021) to $605K (2022). In 2024 it made 5 grants totaling $555K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mayo Clinic Cardiovascular Research Center Rochester, MN | General Support | $300,000 |
| Reading Partners Twin Cities St. Paul, MN | General Support | $125,000 |
| Firefighters for Healing Champlin, MN | General Support | $100,000 |
| University of Minnesota Foundation Minneapolis, MN | General Support | $25,000 |
| The Rotary Club of Lakeville Foundation Lakeville, MN | General Support | $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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $14,362,894 | $1,956,632 | $615,265 | $555,000 | 5 | $564,030 | $992,828 | $633,687 |
| 2023 | $11,870,796 | $358,957 | $641,938 | $576,000 | 8 | $580,325 | $318,795 | $547,852 |
| 2022 | $10,654,374 | $-109,364 | $675,006 | $605,000 | 9 | $609,629 | $80,510 | $558,016 |
| 2021 | $13,383,878 | $1,582,680 | $576,964 | $491,000 | 6 | $494,030 | $1,528,340 | $610,881 |
| 2020 | $12,422,113 | $1,155,701 | $579,384 | $501,000 | 5 | — | $1,097,393 | $538,205 |
Under IRS private-foundation payout rules, Lothenbach Family Foundation reported a distributable amount of $634K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Lothenbach Family Foundation's 2024 filing lists 3 officers; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Frank W. Lothenbach Jr.
Trustee
On filings since 2023
No compensation reported
Jack D. Lothenbach
Trustee
On filings since 2023
No compensation reported
Scott Eggington
Trustee
On filings since 2023
No compensation reported
Former officers (1)
- Former: Robert J. Lothenbach (2020–2023) — Trustee
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.
Frequently asked questions about Lothenbach Family Foundation
How much does Lothenbach Family Foundation give each year?
Lothenbach Family Foundation gave $555K across 5 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $576K across 8 grants.
What is Lothenbach Family Foundation's typical grant size?
Lothenbach Family Foundation's median grant in 2024 was $100,000, and its average grant was $111,000, across 5 grants on its 2024 IRS Form 990-PF.
Where does Lothenbach Family Foundation give grants?
Lothenbach Family Foundation gives mostly in Minnesota: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there.
Does Lothenbach Family Foundation give general operating support?
Yes: 100% of Lothenbach Family Foundation's 2024 grants with a stated purpose (5 of 5) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are Lothenbach Family Foundation's largest grantees?
Lothenbach Family Foundation's largest 2024 grantees include Mayo Clinic Cardiovascular Research Center ($300,000), Reading Partners Twin Cities ($125,000) and Firefighters for Healing ($100,000), according to its 2024 IRS Form 990-PF. Together they received 95% of its itemized 2024 grant dollars.
How large is Lothenbach Family Foundation?
Lothenbach Family Foundation reported $14.4M in total assets on its 2024 IRS Form 990-PF. It paid out $564K in qualifying distributions that year, against a required minimum of $634K (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 Lothenbach Family Foundation's EIN?
Lothenbach Family Foundation's EIN (Employer Identification Number) is 81-4309433. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Lothenbach Family Foundation funds
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