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 2025. As of 2025, the organization holds $271K in total assets. In 2025, it awarded 10 grants totaling $39K. Net investment income was $12K.
Stems Macarthur Foundation Inc at a glance
In short: Stems Macarthur Foundation Inc gave $39K across 10 grants in 2025 (avg $4K), mostly in District of Columbia. 20% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $39,200
- +56.8% vs 2024
- Grants made (2025)
- 10
- +25.0% vs 2024
- Average grant
- $3,920
- +25.4% vs 2024
- Median grant
- $1,100
- Total assets
- $270,981
- +18.6% vs 2024
- New grantees (estimate)
- 20% first-time grantees (2 of 10, 2025; small sample)
- Primary geography
- District of Columbia (54% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated November 2026. New grantees are estimated by matching recipient names across years (methodology).
Who Stems Macarthur Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was National Museum of Women in Arts ($20K). Together the top 10 received $39K.
Grant Size Distribution
41 grants across all recorded years
The most common grant size was under $50K: 41 grants of 41 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 10 itemized grants.
States
Cities
Is Stems Macarthur Foundation Inc open to new grantees?
20%
first-time grantees, 2025
In 2025, 2 of 10 grantees (20%) were first-time recipients. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. First grants averaged $1K; repeat grants $5K. How we count
Medians: $1K first-time, $2K repeat.
- 60% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−2%). Method
- In 2025 it paid out 178% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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
From 2019 to 2025, annual grant giving ranged from $22K (2019) to $76K (2021). In 2025 it made 10 grants totaling $39K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| National Museum of Women in Arts Washington, DC | Support Charitable Activities | $20,000 |
| Propublica New York, NY | Support Charitable Activities | $6,000 |
| UNICEF USA New York City, NY | Support Charitable Activities | $5,000 |
| Democracy Now New York, NY | Support Charitable Activities | $2,000 |
| Inst for Sustainable Communities Montpelier, VT | Support Charitable Activities | $1,200 |
| Uc Berkely Foundation Berkely, CA | Support Charitable Activities | $1,000 |
| American Indian College Fund Denver, CO | Support Charitable Activities | $1,000 |
| Habitat for Humanity Chattanooga, TN | Support Charitable Activities | $1,000 |
| World Central Kitchen Washington, DC | Support Charitable Activities | $1,000 |
| Church of the Good Shepard Lookout Mountain, TN | Suipport 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $270,981 | $65,968 | $44,444 | $39,200 | 10 | $39,200 | $11,572 | $22,051 |
| 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 $22K for 2025 — 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 2025 report compensation.
Officers on the 2025 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, 2019–2025. "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 Stems Macarthur Foundation Inc
How much does Stems Macarthur Foundation Inc give each year?
Stems Macarthur Foundation Inc gave $39K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $25K across 8 grants.
What is Stems Macarthur Foundation Inc's typical grant size?
Stems Macarthur Foundation Inc's median grant in 2025 was $1,100, and its average grant was $3,920, across 10 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Stems Macarthur Foundation Inc that year got $1K on average.
Where does Stems Macarthur Foundation Inc give grants?
Stems Macarthur Foundation Inc gives mostly in District of Columbia: 54% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (33%) and Tennessee (5%). The most frequent recipient cities were Washington, DC (2 grants) and New York, NY (2 grants).
Does Stems Macarthur Foundation Inc give general operating support?
Not in 2025: none of the 10 grants with a stated purpose on Stems Macarthur Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Support Charitable Activities" (9 grants).
Who are Stems Macarthur Foundation Inc's largest grantees?
Stems Macarthur Foundation Inc's largest 2025 grantees include National Museum of Women in Arts ($20,000), Propublica ($6,000) and UNICEF USA ($5,000), according to its 2025 IRS Form 990-PF. Together they received 79% of its itemized 2025 grant dollars.
How large is Stems Macarthur Foundation Inc?
Stems Macarthur Foundation Inc reported $271K in total assets on its 2025 IRS Form 990-PF. It paid out $39K in qualifying distributions that year, against a required minimum of $22K (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 2019–2025.
Data last updated November 2026. Sourced from IRS Form 990-PF filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS September 9, 2026)
- 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
Live grants for the work Stems Macarthur Foundation Inc funds
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