IS15 Foundation
IS15 Foundation is a private foundation focused on Arts, Culture & Humanities, based in Wilmington, DE. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $151K in total assets. In 2025, it awarded 1 grant totaling $750K. Net investment income was $3K.
IS15 Foundation at a glance
In short: IS15 Foundation gave $750K across 1 grant in 2025 (avg $750K), mostly in Illinois. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $750,000
- +84.0% vs 2024
- Grants made (2025)
- 1
- -50.0% vs 2024
- Average grant
- $750,000
- +268.1% vs 2024
- Median grant
- $750,000
- Total assets
- $151,181
- -3.2% vs 2024
- Primary geography
- Illinois (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 IS15 Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Northwestern University ($750K).
Grant Size Distribution
7 grants across all recorded years
The most common grant size was in the $500K–1M range: 3 grants of 7 (43%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How IS15 Foundation gives
- Giving held roughly steady from 2022 to 2025 (+0%). Method
- In 2025 it paid out well above 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 2021 to 2025, annual grant giving ranged from $8K (2021) to $1.1M (2023). In 2025 it made 1 grant totaling $750K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Northwestern University Evanston, IL | The Fund shall be used to support a professorship within the Department of History at Weinberg College | $750,000 |
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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 | $151,181 | $752,952 | $757,929 | $750,000 | 1 | $757,829 | $2,952 | $7,492 |
| 2024 | $156,158 | $502,388 | $415,175 | $407,500 | 2 | $415,175 | $2,388 | $3,684 |
| 2023 | $68,945 | $733,703 | $1,155,888 | $1,148,063 | 2 | $1,155,588 | $10,496 | $17,341 |
| 2022 | $491,130 | $745,603 | $764,803 | $750,000 | 1 | $764,486 | $8,885 | $22,449 |
| 2021 | $510,330 | $22,795 | $14,791 | $7,500 | 1 | $14,493 | $22,795 | $24,808 |
| 2020 | $502,326 | $521,449 | $19,123 | — | — | — | $21,449 | $21,648 |
Under IRS private-foundation payout rules, IS15 Foundation reported a distributable amount of $7K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
IS15 Foundation is led by Ian Sanders, Trustee on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Ian Sanders
Trustee
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 IS15 Foundation
How much does IS15 Foundation give each year?
IS15 Foundation gave $750K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $408K across 2 grants.
How large is IS15 Foundation?
IS15 Foundation reported $151K in total assets on its 2025 IRS Form 990-PF. It paid out $758K in qualifying distributions that year, against a required minimum of $7K (roughly 5% of its investment assets).
What is IS15 Foundation?
IS15 Foundation is a private foundation focused on Arts, Culture & Humanities, based in Wilmington, DE. It holds $151K in total assets as of 2025.
Where does IS15 Foundation operate?
IS15 Foundation has awarded grants in Illinois.
What is IS15 Foundation's EIN?
IS15 Foundation's EIN (Employer Identification Number) is 84-3673529. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 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 2020 (received by the IRS April 21, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 11, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS June 6, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 14, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS September 11, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 10, 2026)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work IS15 Foundation funds
Arts, Culture & Humanities Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in IS15 Foundation's focus areas in our free grants database
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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from IS15 Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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