Grants paid by Costolo Family Foundation
EIN 86-1199543 · Wilmington, DE · Form 990-PF, Part XV · NTEE T20
Costolo Family Foundation of Wilmington, DE (EIN 86-1199543) reported 15 grants paid totaling $940,000 to 7 recipients in tax years 2022–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$940,000
15 grants
Recipients
7
distinct organizations
Tax years
2022–2024
3 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2022 | 3 | $250,000 | — |
| 2023 | 5 | $270,000 | — |
| 2024 | 7 | $420,000 | — |
Top recipients
The 7 recipients receiving the most from Costolo Family Foundation, by grants paid, out of 7 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Conservation International Foundation 52-1497470 | B | Arlington, VA | 3 | $300,000 | 2024 |
| The Nature Conservancy | U | Cold Spring Harbor, NY | 3 | $250,000 | 2024 |
| Pacific Wild Alliance 46-4018715 | B | Issaquah, WA | 3 | $200,000 | 2024 |
| Grand Teton National Park Foundation 83-0322668 | B | Moose, WY | 1 | $100,000 | 2024 |
| Sarara Institute 82-2386824 | B | Denver, CO | 2 | $60,000 | 2024 |
| Wyoming Wetlands Society 74-2487790 | B | Jackson, WY | 2 | $20,000 | 2024 |
| Reteti Elephant Project Inc | U | New York, NY | 1 | $10,000 | 2023 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 15 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2024 | The Nature Conservancy Cold Spring Harbor, NY | U | $100,000 | paid | General & Unrestricted | 202513039349101506 |
| 2024 | Grand Teton National Park Foundation Moose, WY | B | $100,000 | paid | General & Unrestricted | 202513039349101506 |
| 2024 | Conservation International Foundation Arlington, VA | B | $100,000 | paid | General & Unrestricted | 202513039349101506 |
| 2024 | Sarara Institute Denver, CO | B | $50,000 | paid | General & Unrestricted | 202513039349101506 |
| 2024 | Pacific Wild Alliance Issaquah, WA | B | $50,000 | paid | General & Unrestricted | 202513039349101506 |
| 2024 | Sarara Institute Denver, CO | B | $10,000 | paid | To support the Reteti Elephant Sanctuary | 202513039349101506 |
| 2024 | Wyoming Wetlands Society Jackson, WY | B | $10,000 | paid | General & Unrestricted | 202513039349101506 |
| 2023 | Conservation International Foundation Arlington, VA | B | $100,000 | paid | General & Unrestricted | 202412919349100711 |
| 2023 | The Nature Conservancy Cold Spring Harbor, NY | U | $100,000 | paid | General & Unrestricted | 202412919349100711 |
| 2023 | Pacific Wild Alliance Issaquah, WA | B | $50,000 | paid | General & Unrestricted | 202412919349100711 |
| 2023 | Wyoming Wetlands Society Jackson, WY | B | $10,000 | paid | General & Unrestricted | 202412919349100711 |
| 2023 | Reteti Elephant Project Inc New York, NY | U | $10,000 | paid | General & Unrestricted | 202412919349100711 |
| 2022 | Pacific Wild Alliance Issaquah, WA | B | $100,000 | paid | General & Unrestricted | 202343189349106429 |
| 2022 | Conservation International Foundation Arlington, VA | B | $100,000 | paid | General & Unrestricted | 202343189349106429 |
| 2022 | The Nature Conservancy Cold Spring Harbor, NY | U | $50,000 | paid | Kelp restoration projects | 202343189349106429 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202513039349101506 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202412919349100711 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202343189349106429 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/861199543.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.