Steven Prewitt Skull Base is a private foundation focused on Medical Research, based in SAN DIEGO, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $640K in total assets. In 2024, it awarded 5 grants totaling $43K. Net investment income was $6K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$640K
-2.7% YoY
Annual Giving
$43K
+21.4% YoY
Grant Count
5
+400.0% YoY
Avg Grant Size
$9K
-75.7% YoY
Under IRS private-foundation payout rules, Steven Prewitt Skull Base reported a distributable amount of $32K for 2024 — the minimum it must pay out in qualifying distributions.
About Steven Prewitt Skull Base
Based on IRS filings
Steven Prewitt Skull Base is a private foundation focused on Medical Research, based in SAN DIEGO, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $640K in total assets. In 2024, it awarded 5 grants totaling $43K. Net investment income was $6K.
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 | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $640,284 | $657,917 | $684,817 |
| Revenue | $33,451 | $28,293 | $34,284 |
| Expenses | $70,052 | $40,271 | $40,216 |
| Qualifying Distributions | $42,500 | $35,000 | $33,000 |
| Net Investment Income | $5,899 | $23,022 | $1,934 |
| Distributable Amount | $31,665 | $31,861 | $33,173 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2024
Grant Size Distribution
11 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Scripps Mercy Hospital Foundation ($15,000), San Diego Auto Museum ($10,000), Sd Space Air Museum ($7,500).
| Recipient | Purpose | Amount |
|---|---|---|
| SPIRIT OF LIBERTY FOUNDATION RANCHO SANTA FE, CA | GENERAL | $5,000 |
| SCRIPPS MERCY HOSPITAL FOUNDATION San Diego, CA | CHARITABLE | $15,000 |
| SD SPACE AIR MUSEUM San Diego, CA | CHARITABLE | $7,500 |
| UC SAN DIEGO FOUNDATION LA JOLLA, CA | CHARITABLE | $5,000 |
| SAN DIEGO AUTO MUSEUM SAN DIEGO, CA | CHARITABLE | $10,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| PERRY MANSFIELD | CHAIR | 4 | — |
| MICHAEL OLEARY | BOARD MEMBER | 1 | — |
| JIM KIDERICK | BOARD MEMBER | 1 | — |
| BOBBI BENNETT | BOARD MEMBER TREASURER | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Steven Prewitt Skull Base?
Steven Prewitt Skull Base is a private foundation focused on Medical Research, based in SAN DIEGO, CA. It holds $640K in total assets as of 2024.
How large is Steven Prewitt Skull Base?
As of 2024, Steven Prewitt Skull Base holds $640K in total assets with $33K in annual revenue. It awarded 5 grants totaling $43K in 2024.
Where does Steven Prewitt Skull Base operate?
Steven Prewitt Skull Base has awarded grants in California.
What size grants does Steven Prewitt Skull Base award?
In 2024, Steven Prewitt Skull Base awarded 5 grants totaling $43K — an average of about $9K per grant, based on its IRS Form 990 filings.
How much is Steven Prewitt Skull Base required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Steven Prewitt Skull Base reported a distributable amount of $32K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Steven Prewitt Skull Base's EIN?
Steven Prewitt Skull Base's EIN (Employer Identification Number) is 26-1442469. IRS Form 990 filing data is available on this page for 2020–2024.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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