funder-graph › Recipients
Who funds Waco Mammoth Foundation Inc
EIN 20-1161717 · Waco, TX · NTEE A115
Waco Mammoth Foundation Inc of Waco, TX (EIN 20-1161717) was named as a grant recipient by 7 funders in 10 grants paid totaling $35,670 in tax years 2019–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$35,670
10 grants paid
Funders
7
distinct grantmakers
Tax years
2019–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| National Park Foundation 52-1086761 | DC | A | 1 | $29,645 | 2022 |
| Waco Foundation 74-6054628 | TX | A | 1 | $5,322 | 2025 |
| Melvin a Lipsitz Family Foundation 74-2587599 | TX | B | 1 | $250 | 2021 |
| The Mcclane Brown Family Foundation 20-2081679 | TX | B | 2 | $200 | 2021 |
| Margaret Cb & S Spencer N Brown Foundation Inc 74-6046197 | TX | B | 2 | $200 | 2020 |
| Amazonsmile Foundation 46-2626883 | WA | B | 2 | $43 | 2023 |
| The Pfizer Foundation Inc 13-6083839 | NY | B | 1 | $10 | 2024 |
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.
Grants
The 10 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Waco Foundation | Waco Mammoth Fdn Waco, TX | A | $5,322 | paid | Capacity Building | 202600449349302265 |
| 2024 | The Pfizer Foundation Inc | Waco Mammoth Foundation Inc Waco, TX | B | $10 | paid | MATCHING GIFTS | 202503119349101850 |
| 2023 | Amazonsmile Foundation | Waco Mammoth Foundation Inc Waco, TX | B | $23 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2022 | National Park Foundation | Waco Mammoth Foundation Inc Waco, TX | A | $29,645 | paid | CONNECT | 202322029349300842 |
| 2022 | Amazonsmile Foundation | Waco Mammoth Foundation Inc Waco, TX | B | $20 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2021 | Melvin a Lipsitz Family Foundation | Waco Mammoth Foundation Waco, TX | B | $250 | paid | TO ASSIST WITH THE PRESERVATION AND ENHANCEMENT OF THE WACO MAMMOTH NATIONAL MONUMENT | 202240959349100844 |
| 2021 | The Mcclane Brown Family Foundation | Waco Mammoth Foundation Waco, TX | B | $100 | paid | CHARITABLE | 202220969349101827 |
| 2020 | The Mcclane Brown Family Foundation | Waco Mammoth Foundation Waco, TX | B | $100 | paid | CHARITABLE | 202140919349100219 |
| 2020 | Margaret Cb & S Spencer N Brown Foundation Inc | Waco Mammoth Foundation Inc Waco, TX | B | $100 | paid | CHARITABLE CONTRIBUTION TO PUBLIC CHARITY | 202140919349100719 |
| 2019 | Margaret Cb & S Spencer N Brown Foundation Inc | Waco Mammoth Foundation Inc Waco, TX | B | $100 | paid | CHARITABLE CONTRIBUTION TO PUBLIC CHARITY | 202000939349101420 |
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 inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
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.