Charity Search / WILLIAM H DONNER FOUNDATION INC
Philanthropy & Grantmaking (T20I) 990 on File

WILLIAM H DONNER FOUNDATION INC

EIN: 23-1611346 · TARRYTOWN, NY 10591-5137 · United States · FY 2024 Data
3 out of 5 51 / 100 Based on 2+ years of filings
Financial strength (30%) 92/100
Reliability (20%) 55/100
Effectiveness (25%) 51/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
Claim this Charity
CharityAI™ Score
Not yet evaluated
Financial Overview — FY 2024
$6.1M
Total Revenue
$15.0M
Total Expenses
$199.9M
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 77.2%
Fundraising Efficiency N/A
Operating Reserve 159.40x
Liability-to-Asset 0.4%
Revenue Diversification 53.3%
Executive Compensation $0
Compared with Peers
FY 2024
Compared with 923 similar organizations (United States, Philanthropy & Grantmaking, $10M–$100M in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
77.2% 91.7%
P10P90
Bottom quarter
Operating reserve
Months of expenses covered by net assets · higher is better
159.4 mo 70.2 mo
P10P90
Top quarter
Liabilities to assets
Total liabilities / total assets · lower is better
0.4% 2.5%
P10P90
Above median
Revenue concentration
Share of revenue from the largest source · lower is better
53.3% 88.2%
P10P90
Top quarter
Revenue growth
Year over year revenue growth
8.5% 17.6%
P10P90
Expense growth
Year over year expense growth
412.8% 10.6%
P10P90
Surplus margin
Surplus as a share of revenue
-146.0% 6.3%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $6.1M $15.0M $199.9M 77.2% —
2023 $5.6M $2.9M $208.8M 15.3% —
2022 $21.8M $13.0M $211.5M 71.1% —
Donor Reviews
Write a Review
No reviews yet

Be the first to share your experience with this organization.


Write a Review
Minimum 20 characters
Reviews appear after moderation (usually within 24 hours)
Organization Details
EIN
23-1611346
State
NY
City
TARRYTOWN
ZIP
10591-5137
Classification
T20I
Category
Philanthropy & Grantmaking
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
Is this your organization?

Claim it to manage this profile, add your board, financials and impact metrics, and lift your CharityAI™ rating.

Claim this Charity
Back to Search New Search