THE ORGANIZATION IS ORGANIZED EXCLUSIVELY FOR CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING, FOR SUCH PURPOSES, THE MAKING OF DISTRIBUTIONS TO AND SUPPORTING THE CHARITABLE, EDUCATIONAL AND SCIENTIFIC MISSION AND PROGRAM OF THE SOUTH DAKOTA SCIENCE AND TECHNOLOGY AUTHORITY.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$15.6M
+19992.8% YoY
Annual Giving
$59K
-91.1% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$59K
-91.1% YoY
About Sanford Underground Research
Based on IRS filings
Sanford Underground Research is a nonprofit organization focused on Public, Societal Benefit, based in LEAD, SD. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $15.6M in total assets. In 2025, it awarded 1 grants totaling $59K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $15,607,091 | $77,675 | $639,670 |
| Revenue | $16,587,928 | $93,207 | $196,225 |
| Expenses | $1,158,512 | $655,202 | $25,001 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | $367 | $123 |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2025
Grant Size Distribution
5 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include South Dakota Science & Technology ($58,512).
| Recipient | Purpose | Amount |
|---|---|---|
| SOUTH DAKOTA SCIENCE & TECHNOLOGY LEAD, SD | MAINTAIN SDSTA | $58,512 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| TERRY MILLER | CHIEF FIN. O | 40 | — |
| ANNIE AVERITT | 2024 FOUND. | 40 | — |
| BETH MASSA | CHAIR | 0.25 | — |
| CHRIS FALL | TREASURER/SE | 0.25 | — |
| JULIE OLSON | DIRECTOR | 0.25 | — |
| LINN EVANS | DIRECTOR | 0.25 | — |
| BARBARA SZCZERBINSKA | DIRECTOR | 0.25 | — |
| JUSTIN VARLAND | DIRECTOR | 0.25 | — |
| ROBERT WILSON | DIRECTOR | 0.25 | — |
| CASEY PETERSON | EX-OFFICIO D | 0.25 | — |
| FRED ROMKEMA | DIRECTOR | 0.25 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Sanford Underground Research?
Sanford Underground Research is a nonprofit organization focused on Public, Societal Benefit, based in LEAD, SD. It holds $15.6M in total assets as of 2025.
How large is Sanford Underground Research?
As of 2025, Sanford Underground Research holds $15.6M in total assets with $16.6M in annual revenue. It awarded 1 grants totaling $59K in 2025.
Where does Sanford Underground Research operate?
Sanford Underground Research has awarded grants in South Dakota.
What size grants does Sanford Underground Research award?
In 2025, Sanford Underground Research awarded 1 grants totaling $59K — an average of about $59K per grant, based on its IRS Form 990 filings.
What is Sanford Underground Research's EIN?
Sanford Underground Research's EIN (Employer Identification Number) is 84-2556473. IRS Form 990 filing data is available on this page for 2020–2025.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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