Gigi & Averell H Mortimer Foundation
Invitation OnlyHarriman, New York · EIN 46-4323935 · Private foundation
Grants paid (2025)$60K
Organizations funded10
Typical grant$2,500
Total assets$2M
Half of its grants to organizations were between $2,500 and $10,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
60% of grants went outside New York.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Brandywire Conservancy & Museum of Art | Chadds Ford, PA | General support | $15,000 |
| Palm Beach Zoo & Conservation Society | West Palm Beach, FL | General support | $10,000 |
| Cox Science Centre & Aquarium | West Palm Beach, FL | General support | $10,000 |
| Tory Burch Foundation | New York, NY | General suppport | $10,000 |
| The Centre for Discovery | Harris, NY | General support | $5,000 |
| The Everglades Foundation | Palmetto Bay, FL | General support | $2,500 |
| Peconic Land Trust | Southhampton, NY | General support | $2,500 |
| Orange County Historical Society | Arden, NY | General support | $2,500 |
| St Jude's Children Hospital | Memphis, TN | General support | $1,500 |
| Vanderbilt University | Nashville, TN | General support | $1,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $60,000 | 10 |
| 2024 | Unknown | 0 |
| 2023 | Unknown | 0 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 8, 2026 - IRS e-file batch, object ID 202611289349102711
- IRS Tax Exempt Organization Search for EIN 46-4323935
- Profile updated Nov 7, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.