Grand Teton National Park Foundation
MOOSE, WY
$150KTax year 2025
Grant purpose
General & Unrestricted
Foundation directory
Costolo Family Foundation Grants
Private foundation · EIN 86-1199543 · IRS 990-PF filings through tax year 2025
How to apply
This foundation reports on its 990-PF that it only makes contributions to preselected organizations and does not accept unsolicited applications.
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Original filing text
Reported organization name: Costolo Family Foundation
Giving by tax year
Year-level totals across every reported grant in this profile — a summary, not a filter. The awards further down are the largest individual grants across all years, not each year's complete list.
| Tax year | Grants paid | Amount |
|---|---|---|
| 2025 | 7 | $625K |
| 2024 | 7 | $420K |
Where Costolo Family Foundation gives
States of grant recipients reported on the foundation's 990-PF filings, by dollars received.
Largest reported grants
Historical awards reported to the IRS. These are examples of past giving, not open opportunities.
Elephant Havens Wildlife Foundation Inc
DALLAS, TX
$100KTax year 2025
Grant purpose
General & Unrestricted
Pacific Wild Alliance
ISSAQUAH, WA
$100KTax year 2025
Grant purpose
General & Unrestricted
Conservation International Foundation
BOSTON, MA
$100KTax year 2025
Grant purpose
General & Unrestricted
The Nature Conservancy
COLD SPRING HARBOR, NY
$100KTax year 2025
Grant purpose
General & Unrestricted
Showing 5 of the 14 largest grants (14 reported in all).
See all 14 grants from Costolo Family Foundation: sort and filter by purpose, state and year.
Create free accountAbout this data
Figures are aggregated from Costolo Family Foundation's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2025). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF filing on ProPublica. Raw e-file archive (ZIP) — a large IRS yearly archive download.
Other foundations giving in Wyoming
Free templates for applying to a foundation like this
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- Letter of intent template and example
- Statement of need template and examples
- Executive summary template and examples
- Grant budget template (XLSX) and budget narrative
- Evaluation plan template and metrics
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