The Rock Foundation
The Rock Foundation is a private foundation based in San Francisco, California, with offices at 415 Mission Street Suite 5700. The foundation focuses on grantmaking activities supporting vulnerable populations and community development initiatives.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$50.8M
+10.2% YoY
Annual Giving
$2.8M
+37.5% YoY
Grant Count
69
-6.8% YoY
Avg Grant Size
$40K
+47.5% YoY
Grantmaking
The Rock Foundation maintains an active grantmaking portfolio. According to available records, the foundation has made known fund commitments, including involvement with Prime Finance Short Duration VIII.
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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 | $50,837,780 | $46,143,371 | $42,392,161 |
| Revenue | $7,707,084 | $5,956,593 | $6,348,307 |
| Expenses | $2,988,278 | $2,205,383 | $2,574,351 |
| Qualifying Distributions | $2,833,910 | $2,041,892 | $2,414,545 |
| Net Investment Income | $7,637,506 | $5,886,602 | $6,278,501 |
| Distributable Amount | $2,831,520 | $2,536,075 | $2,327,119 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
250 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
Arthur Rock — President
Julie A. Divola — Chief Financial Officer
Both are based in the San Francisco office.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| ARTHUR ROCK | PRES/DIRECTOR | 1 | — |
| JULIE A DIVOLA | CFO/SEC/DIRECTOR | 0.5 | — |
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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