Stems Macarthur Foundation Inc
Stems Macarthur Foundation Inc is a private foundation, based in Lookout Mountain, TN. IRS filing data is available from 2019 through 2024. As of 2024, the organization holds $228K in total assets. In 2024, it awarded 8 grants totaling $25K. Net investment income was $19K.
Stems Macarthur Foundation Inc at a glance
In short: Stems Macarthur Foundation Inc gave $25K across 8 grants in 2024 (avg $3K), top state District of Columbia. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $25,000
- -39.8% vs 2023
- Grants made (2024)
- 8
- +33.3% vs 2023
- Average grant
- $3,125
- -54.8% vs 2023
- Median grant
- $1,000
- Total assets
- $228,418
- -2.4% vs 2023
- Primary geography
- District of Columbia (40% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
Who Stems Macarthur Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2024
The largest 2024 recipient was National Museum of Women in Arts ($10K). Together the top 8 received $25K.
Grant Size Distribution
39 grants across all recorded years
The most common grant size was under $50K: 39 grants of 39 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 8 itemized grants.
States
Cities
How Stems Macarthur Foundation Inc gives
- Giving fell 67% from 2021 to 2024. Method
- In 2024 it paid out 129% 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 2024, annual grant giving ranged from $22K (2019) to $76K (2021). In 2024 it made 8 grants totaling $25K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| National Museum of Women in Arts Washington, DC | Support Charitable Activities | $10,000 |
| Habitat for Humanity Chattanooga, TN | Support Charitable Activities | $5,000 |
| UNICEF USA New York City, NY | Support Charitable Activities | $5,000 |
| Uc Berkely Foundation Berkely, CA | Support Charitable Activities | $1,000 |
| Inst for Sustainable Communities Montpelier, VT | Support Charitable Activities | $1,000 |
| American Indian College Fund Denver, CO | Support Charitable Activities | $1,000 |
| American Red Cross Boone, IA | Support Charitable Activities | $1,000 |
| Love's Armour Outreach Chattanooga, TN | Support Charitable Activities | $1,000 |
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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 | $228,418 | $24,291 | $29,949 | $25,000 | 8 | $25,000 | $19,342 | $19,435 |
| 2023 | $234,110 | $8,982 | $46,227 | $41,500 | 6 | $41,500 | $4,255 | $19,016 |
| 2022 | $272,402 | $33,977 | $45,228 | $40,200 | 7 | $40,200 | $28,949 | $21,625 |
| 2021 | $282,741 | $51,048 | $82,568 | $76,000 | 10 | $76,000 | $43,287 | $24,922 |
| 2020 | $314,341 | $20,321 | $49,188 | $42,800 | 8 | — | $14,004 | $25,219 |
| 2019 | $347,279 | $1,500 | $29,415 | $22,000 | 8 | — | $3,534 | $23,046 |
Under IRS private-foundation payout rules, Stems Macarthur Foundation Inc reported a distributable amount of $19K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Stems Macarthur Foundation Inc is led by Marcia Macarthur, President on every filing since 2019; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Marcia Macarthur
President
On filings since 2019
No compensation reported
Emily Hanson
Secretary
On filings since 2019
No compensation reported
Steven Raborn
Vice President
On filings since 2019
No compensation reported
Data from IRS Form 990 filings, 2019–2024. "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 Stems Macarthur Foundation Inc
How much does Stems Macarthur Foundation Inc give each year?
Stems Macarthur Foundation Inc gave $25K across 8 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $42K across 6 grants.
What is Stems Macarthur Foundation Inc's typical grant size?
Stems Macarthur Foundation Inc's median grant in 2024 was $1,000, and its average grant was $3,125, across 8 grants on its 2024 IRS Form 990-PF.
Where does Stems Macarthur Foundation Inc give grants?
Stems Macarthur Foundation Inc's top state is District of Columbia, with 40% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Tennessee (24%) and New York (20%). The most frequent recipient cities were Chattanooga, TN (2 grants).
Does Stems Macarthur Foundation Inc give general operating support?
Not in 2024: none of the 8 grants with a stated purpose on Stems Macarthur Foundation Inc's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Support Charitable Activities" (8 grants).
Who are Stems Macarthur Foundation Inc's largest grantees?
Stems Macarthur Foundation Inc's largest 2024 grantees include National Museum of Women in Arts ($10,000), Habitat for Humanity ($5,000) and UNICEF USA ($5,000), according to its 2024 IRS Form 990-PF. Together they received 80% of its itemized 2024 grant dollars.
How large is Stems Macarthur Foundation Inc?
Stems Macarthur Foundation Inc reported $228K in total assets on its 2024 IRS Form 990-PF. It paid out $25K in qualifying distributions that year, against a required minimum of $19K (roughly 5% of its investment assets).
What is Stems Macarthur Foundation Inc's EIN?
Stems Macarthur Foundation Inc's EIN (Employer Identification Number) is 45-2474548. IRS Form 990 filing data is available on this page for 2019–2024.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS January 13, 2021)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS September 27, 2022)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 4, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 14, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS July 25, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 14, 2025)
- IRS filings on file for fiscal years 2019–2024
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