Thompson Foundation
Thompson Foundation is a private foundation, based in Spearfish, SD. IRS filing data is available from 2023 through 2025. As of 2025, the organization holds $25 in total assets.
Key facts about Thompson Foundation
- EIN
- 88-4226789
- Latest 990 filing
- Form 990-PF, 2025
- Total assets
- $25
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$25
+66.7% YoY
Revenue
$170
Net Investment Income
—
Expenses
$170
+1600.0% YoY
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Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $25 | $15 | — |
| Revenue | $170 | — | — |
| Expenses | $170 | $10 | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS October 15, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS March 25, 2026)
- IRS filings on file for fiscal years 2023–2025
Leadership & Key People
Officers and directors from IRS filings
Thompson Foundation's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Elizabeth Thompson
Trustee
On filings since 2023
1 hr/week
No compensation reported
R Chandler Thompson
Trustee
On filings since 2024
1 hr/week
No compensation reported
Richard Thompson
Trustee
On filings since 2024
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2023–2025. "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 Thompson Foundation
How large is Thompson Foundation?
Thompson Foundation reported $25 in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $170.
What is Thompson Foundation's EIN?
Thompson Foundation's EIN (Employer Identification Number) is 88-4226789. IRS Form 990 filing data is available on this page for 2023–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Here's the math on researching Thompson Foundation by hand.
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