From public IRS filings
LOWELL OBSERVATORY
FLAGSTAFF, AZ · Science & Technology
Mission
LOWELL'S MISSION IS TO PURSUE THE STUDY OF ASTRONOMY AND SHARE THE RESULTS WITH THE PUBLIC.
Financials (IRS Form 990)
Total revenue
$11.9M
Total expenses
$19.5M
Total assets
$102.6M
Program expense ratio
78%
Source: IRS Form 990, tax year 2024.
Who funds LOWELL OBSERVATORY
$8.6M in foundation grants on record from 43 funders — matched from IRS 990 grant line items. Some matches may be approximate.
| Funder | Total given | Grants |
|---|---|---|
| National Philanthropic Trust | $1.9M | 4 |
| Lowell Observatory Foundation | $1.1M | 3 |
| Heising-Simons Foundation | $950K | 1 |
| Orr Family Foundation | $800K | 3 |
| Percival Lowell Trust Uw | $747K | 3 |
| Arizona Community Foundation | $476K | 4 |
| Fidelity Investments Charitable Gift Fund | $442K | 4 |
| Claire & John Radway Foundation | $350K | 3 |
| Johns Hopkins University | $270K | 3 |
| Geofamily Foundation | $234K | 4 |
Leadership
AMANDA BOSH — CFO (Principal officer)
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