Grants paid by The Endurance Foundation
EIN 35-2435568 · Boston, MA · Form 990-PF, Part XV · NTEE T20
The Endurance Foundation of Boston, MA (EIN 35-2435568) reported 25 grants paid totaling $423,328 to 10 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$423,328
25 grants
Recipients
10
distinct organizations
Tax years
2018–2025
5 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 6 | $81,557 | — |
| 2022 | 5 | $93,000 | — |
| 2023 | 5 | $86,000 | — |
| 2024 | 4 | $80,000 | — |
| 2025 | 5 | $82,771 | — |
Top recipients
The 10 recipients receiving the most from The Endurance Foundation, by grants paid, out of 10 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Pine Street Inn 04-2516093 | C | Boston, MA | 5 | $72,220 | 2025 |
| Sea Education Assistance 04-2702102 | D | Boston, MA | 4 | $64,800 | 2024 |
| Marine Biological Laboratories 04-2104690 | C | Woods Hole, MA | 4 | $60,170 | 2024 |
| Woods Hole Research Center | U | Falmouth, MA | 4 | $60,071 | 2025 |
| Immigration Services and Legal Advocacy | U | Boston, MA | 1 | $50,000 | 2025 |
| Isabella Stewart Gardner Museum 04-2104334 | B | Bostonm, MA | 3 | $44,800 | 2023 |
| Rensselaer Polytechnic Institute | U | Troy, NY | 1 | $23,912 | 2018 |
| Woodshole Research Center | U | Falmouth, MA | 1 | $22,355 | 2018 |
| Young Center for Immigrant Children 26-1839249 | D | Chicago, IL | 1 | $20,000 | 2025 |
| Woods Hole Community Association 04-6075697 | B | Woods Hole, MA | 1 | $5,000 | 2025 |
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 25 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Immigration Services and Legal Advocacy Boston, MA | U | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202621359349104052 |
| 2025 | Young Center for Immigrant Children Chicago, IL | D | $20,000 | paid | GENERAL CHARITABLE PURPOSES | 202621359349104052 |
| 2025 | Woods Hole Community Association Woods Hole, MA | B | $5,000 | paid | GENERAL CHARITABLE PURPOSES | 202621359349104052 |
| 2025 | Woods Hole Research Center Falmouth, MA | U | $4,271 | paid | SCIENTIFIC AND EDUCATIONAL RESEARCH | 202621359349104052 |
| 2025 | Pine Street Inn Boston, MA | C | $3,500 | paid | INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER | 202621359349104052 |
| 2024 | Marine Biological Laboratories Woods Hole, MA | C | $20,000 | paid | CELLULAR, DEVELOPMENTAL, AND REPRODUCTIVE BIOLOGY; MOLECULAR BIOLOGY AND EVOLUTION RESEARCH | 202521359349104117 |
| 2024 | Pine Street Inn Boston, MA | C | $20,000 | paid | INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER | 202521359349104117 |
| 2024 | Sea Education Assistance Boston, MA | D | $20,000 | paid | GENERAL CHARITABLE PURPOSES | 202521359349104117 |
| 2024 | Woods Hole Research Center Falmouth, MA | U | $20,000 | paid | SCIENTIFIC AND EDUCATIONAL RESEARCH | 202521359349104117 |
| 2023 | Sea Education Assistance Boston, MA | D | $17,200 | paid | GENERAL CHARITABLE PURPOSES | 202423209349106407 |
| 2023 | Pine Street Inn Boston, MA | C | $17,200 | paid | INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER | 202423209349106407 |
| 2023 | Woods Hole Research Center Falmouth, MA | U | $17,200 | paid | SCIENTIFIC AND EDUCATIONAL RESEARCH | 202423209349106407 |
| 2023 | Isabella Stewart Gardner Museum Bostonm, MA | B | $17,200 | paid | GENERAL CHARITABLE PURPOSES | 202423209349106407 |
| 2023 | Marine Biological Laboratories Woods Hole, MA | C | $17,200 | paid | CELLULAR, DEVELOPMENTAL, AND REPRODUCTIVE BIOLOGY; MOLECULAR BIOLOGY AND EVOLUTION RESEARCH | 202423209349106407 |
| 2022 | Sea Education Assistance Boston, MA | D | $18,600 | paid | GENERAL CHARITABLE PURPOSES | 202333129349101933 |
| 2022 | Woods Hole Research Center Falmouth, MA | U | $18,600 | paid | SCIENTIFIC AND EDUCATIONAL RESEARCH | 202333129349101933 |
| 2022 | Marine Biological Laboratories Woods Hole, MA | C | $18,600 | paid | CELLULAR, DEVELOPMENTAL, AND REPRODUCTIVE BIOLOGY; MOLECULAR BIOLOGY AND EVOLUTION RESEARCH | 202333129349101933 |
| 2022 | Isabella Stewart Gardner Museum Bostonm, MA | B | $18,600 | paid | GENERAL CHARITABLE PURPOSES | 202333129349101933 |
| 2022 | Pine Street Inn Boston, MA | C | $18,600 | paid | INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER | 202333129349101933 |
| 2018 | Rensselaer Polytechnic Institute Troy, NY | U | $23,912 | paid | TECHNICAL RESEARCH EDUCATION | 201941339349101519 |
| 2018 | Woodshole Research Center Falmouth, MA | U | $22,355 | paid | SCIENTIFIC AND EDUCATIONAL RESEARCH | 201941339349101519 |
| 2018 | Pine Street Inn Boston, MA | C | $12,920 | paid | INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER | 201941339349101519 |
| 2018 | Isabella Stuart Gardener Museum Boston, MA | C | $9,000 | paid | EDUCATION,CULTURAL ARTS AND HUMANITIES | 201941339349101519 |
| 2018 | Sea Education Association Boston, MA | C | $9,000 | paid | GENERAL CHARITABLE PURPOSES | 201941339349101519 |
| 2018 | Marine Biological Laboratory Woods Hole, MA | B | $4,370 | paid | CELLULAR, DEVELOPMENTAL, AND REPRODUCTIVE BIOLOGY; MOLECULAR BIOLOGY AND EVOLUTION RESEARCH | 201941339349101519 |
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 | 2025 | 2025-12-31 | not stated | 2025v4.1 | 202621359349104052 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202521359349104117 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202423209349106407 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202333129349101933 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201941339349101519 |
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/352435568.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.