William Rosenberg
BOSTON, MA EIN: 59-2675613
Financial Overview
From 2024 IRS Form 990-PF
Total Assets
$9.6M
+12.4% YoY
Annual Giving
$467K
-87.1% YoY
Grant Count
33
+0.0% YoY
Avg Grant Size
$14K
-87.1% YoY
Go deeper than public filings
PRO- Giving trend analysis — growing or declining?
- Organizations like yours that won grants here
- Strategic fit assessment for your organization
- Application timing recommendations
Financial History
Multi-year comparison from IRS filings
Revenue
Expenses
Qualifying Distributions
Net Investment Income
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $9,550,311 | $8,495,324 | $11,517,219 |
| Revenue | $778,359 | $29,851 | $362,372 |
| Expenses | $823,351 | $4,156,761 | $1,090,355 |
| Qualifying Distributions | $694,112 | $3,958,765 | $934,660 |
| Net Investment Income | $650,315 | $95,494 | $225,677 |
| Distributable Amount | $523,608 | $592,510 | $725,505 |
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
214 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Who else does William Rosenberg fund?
Explore the funder–grantee relationships behind this foundation, powered by GrantGraph™ — our database of 11 million+ funding connections.
- Similar orgs that won grants here
- GrantGraph™ relationship mapping
- 11M+ connections in GrantGraph™
Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| ANN M ROSENBERG | PRESIDENT/DIRECTOR | 1 | — |
| BARBARA ROSENBERG | DIRECTOR | 1 | $2,500 |
| CAROL SILVERSTEIN | DIRECTOR | 1 | $20,000 |
| CAROLYN A RYAN | DIRECTOR | 1 | — |
| DONALD N ROSENBERG | CO-TREASURER/DIRECTOR | 1 | $20,000 |
| JAMES ROSENBERG | CO-TREASURER/DIRECTOR | 1 | $21,900 |
| JENNIFER FOX | DIRECTOR | 1 | $7,500 |
| JILL GOTTLIEB | DIRECTOR | 1 | $7,500 |
| JOHN M ROSENBERG | DIRECTOR | 1 | $2,500 |
| LAUREN M NEILL | DIRECTOR | 1 | $7,500 |
| MICHAEL ROSENBERG | DIRECTOR | 1 | $21,900 |
| REBECCA R ROSENBERG | DIRECTOR | 1 | $2,500 |
| ROBERT M ROSENBERG | DIRECTOR | 1 | $20,000 |
| TARA-LYNN BOREHAM ROSENBERG | DIRECTOR | 1 | $2,500 |
| TYLER BEDNAR | DIRECTOR | 1 | $2,500 |
| VANESSA ROSENBERG | DIRECTOR | 1 | $2,500 |
| WYATT RYAN | DIRECTOR | 1 | — |
| WAYLON RYAN | DIRECTOR | 1 | — |
| JEFF ROSENBERG | DIRECTOR | 1 | $2,500 |
Geographic Focus
Where this funder has awarded grants
Grant Distribution by State
Florida $3.7M (58%)
Massachusetts $1.2M (19%)
Colorado $640K (10%)
Nevada $303K (5%)
New Hampshire $205K (3%)
Maryland $63K (1%)
New York $61K (1%)
Connecticut $57K (1%)
+9 more states
States
Cities
AspenAtlantaAultBasaltBelmontBethesdaBeverlyBoca RatonBostonBrooklineCarson CityCincinnatiCoffstownDedhamDelray BeachDenverDorchesterDurhamFort MyersFt Myers
Data last updated March 2026. Sourced from IRS Form 990-PF filings.
What could you do with William Rosenberg on Grantable?
- Assess strategic fit with your organization
- Get AI-generated opportunity briefs
- Monitor for new funding opportunities
- Draft a tailored letter of inquiry