From public IRS filings
ARBORETUM FOUNDATION
SEATTLE, WA · Environment
Mission
TO PROMOTE, PROTECT, AND ENHANCE THE WASHINGTON PARK ARBORETUM FOR CURRENT AND FUTURE GENERATIONS.
Financials (IRS Form 990)
Total revenue
$4M
Total expenses
$3.4M
Total assets
$11.7M
Program expense ratio
7223%
Source: IRS Form 990, tax year 2023.
Who funds ARBORETUM FOUNDATION
$1.5M in foundation grants on record from 28 funders — from IRS 990 grant line items.
| Funder | Total given | Grants |
|---|---|---|
| Donor Advised Charitable Giving | $728K | 4 |
| American Online Giving Foundation | $140K | 4 |
| Fidelity Investments Charitable Gift Fund | $117K | 3 |
| Seattle Foundation | $80K | 25 |
| Seattle Garden Club | $40K | 2 |
| Mightycause Charitable Foundation | $35K | 2 |
| Vanguard Charitable Endowment Program | $27K | 3 |
| Central Park Conservancy | $25K | 1 |
| American Gift Fund | $22K | 2 |
| Gs Donor Advised Philanthropy Fund for Wealth Management | $20K | 2 |
Leadership
MARIBETH O'CONNOR — PRESIDENT (Principal officer)
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