Roderick MacArthur Foundation
Roderick MacArthur Foundation is a private foundation, based in Niles, IL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $548K in total assets. In 2024, it awarded 2 grants totaling $5.9M. Net investment income was $13K.
Key facts about Roderick MacArthur Foundation
In short: Roderick MacArthur Foundation gave $5.9M across 2 grants in 2024 (avg $3.0M), mostly in New York. Source: 2024 IRS Form 990-PF.
- EIN
- 51-0214450
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $5,929,111
- Grants made (2024)
- 2
- Average grant
- $2,964,556
- Median grant
- $2,964,556
- Total assets
- $548,407
- Primary geography
- New York (100% of itemized 2024 grant dollars)
Data from IRS Form 990-PF, 2024; updated September 2026.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$548K
+143.0% YoY
Annual Giving
$5.9M
-2.2% YoY
Grant Count
2
+100.0% YoY
Avg Grant Size
$3.0M
-51.1% YoY
Under IRS private-foundation payout rules, Roderick MacArthur Foundation reported a distributable amount of $16K for 2024 — the minimum it must pay out in qualifying distributions.
How Roderick MacArthur Foundation gives
- Giving held roughly steady from 2021 to 2024 (+10%). Method
- In 2024 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 2 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $5.3M (2020) to $6.1M (2023). In 2024 it made 2 grants totaling $5.9M.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
The largest 2024 recipient was Harper's Magazine Foundation ($5.9M). Together the top 2 received $5.9M.
Grant Size Distribution
7 grants across all recorded years
The most common grant size was $5M or more: 5 grants of 7 (71%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Harper's Magazine Foundation New York, NY | To support the continuing operations of Harper's Magazine | $5,910,500 |
| Columbia Teachers College New York, NY | Symposium on Educational Neuroscience of Reading | $18,611 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $548,407 | $225,708 | $223,103 |
| Revenue | $6,258,354 | $6,073,960 | $6,053,750 |
| Expenses | $6,270,483 | $6,085,735 | $6,072,308 |
| Qualifying Distributions | $5,953,920 | $6,085,574 | $6,072,250 |
| Net Investment Income | $12,536 | $11,196 | $2,897 |
| Distributable Amount | $15,677 | $13,897 | $12,212 |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Officers and directors from IRS filings
Roderick MacArthur Foundation is led by John R MacArthur, President, Chairman & Director on every filing since 2020; 1 of 4 officers listed in 2024 is compensated.
Officers on the 2024 filing
John R MacArthur
President, Chairman & Director
On filings since 2020
1 hr/week
No compensation reported
David J Bradford
Director & Secretary
On filings since 2020
1 hr/week
No compensation reported
Robert Cordova
Vice Chairman & Director
On filings since 2020
1 hr/week
No compensation reported
Marylou Bane
Treasurer & Assistant Secretary
Treasurer & Administrator → Treasurer & Director, 2022
Treasurer & Director → Treasurer & Assistant Secretary, 2024
On filings since 2020
2 hrs/week
$3K (2020) → $4K (2024)
Former officers (1)
- Former: Amir Ali (2022–2023) — Secretary
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 2024 IRS filing
The highest reported compensation on the 2024 filing was $4K, to Marylou Bane (Treasurer/Asst Secretary).
Frequently asked questions about Roderick MacArthur Foundation
How much does Roderick MacArthur Foundation give each year?
Roderick MacArthur Foundation gave $5.9M across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $6.1M across 1 grant.
How large is Roderick MacArthur Foundation?
Roderick MacArthur Foundation reported $548K in total assets on its 2024 IRS Form 990-PF. It paid out $6.0M in qualifying distributions that year, against a required minimum of $16K (roughly 5% of its investment assets).
Where does Roderick MacArthur Foundation operate?
Roderick MacArthur Foundation has awarded grants in New York.
What is Roderick MacArthur Foundation's EIN?
Roderick MacArthur Foundation's EIN (Employer Identification Number) is 51-0214450. 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.
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