Grants paid by Janet and Robert W Postma Foundation
EIN 85-3636639 · Water Mill, NY · Form 990-PF, Part XV · NTEE T20
Janet and Robert W Postma Foundation of Water Mill, NY (EIN 85-3636639) reported 69 grants paid totaling $857,820 to 40 recipients in tax years 2022–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$857,820
69 grants
Recipients
40
distinct organizations
Tax years
2022–2025
4 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2022 | 14 | $126,570 | — |
| 2023 | 15 | $101,000 | — |
| 2024 | 19 | $291,750 | — |
| 2025 | 21 | $338,500 | — |
Top recipients
The 40 recipients receiving the most from Janet and Robert W Postma Foundation, by grants paid, out of 40 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Southampton Hospital Foundation 11-3466516 | B | Southhampton, NY | 2 | $200,000 | 2024 |
| Southhampton Hospital Foundation | U | Southampton, NY | 1 | $100,000 | 2025 |
| North Sea Maritime Center 81-5241358 | C | Southampton, NY | 2 | $61,500 | 2025 |
| St Francis Hospital Foundation 11-2916033 | B | Roslyn, NY | 3 | $54,500 | 2024 |
| Hss Foundation | U | New York, NY | 1 | $51,000 | 2025 |
| Cmta | U | Glenolden, PA | 2 | $50,000 | 2023 |
| Ichan School of Medicine | U | New York, NY | 3 | $45,000 | 2025 |
| Sco Family of Services 11-2777066 | C | Glen Cove, NY | 4 | $35,250 | 2025 |
| Met Pga Foundation | U | Elmsford, NY | 4 | $35,250 | 2025 |
| Sag Harbor Lions Club Pierson Schol 23-7209263 | D | Sag Harbor, NY | 2 | $34,000 | 2025 |
| Eeda Foundation | U | Riverhead, NY | 2 | $25,000 | 2025 |
| Carmel Connection Foundation 86-2381817 | B | Point Pleasant Beach, NJ | 2 | $25,000 | 2025 |
| Retreat Inc 11-2862256 | B | East Hampton, NY | 3 | $15,500 | 2025 |
| Road Forward Scholarship Fund 93-3317172 | B | Bridgehampton, NY | 2 | $15,000 | 2025 |
| Breakwater Saling Club 11-3055079 | D | Sag Harbor, NY | 2 | $11,800 | 2025 |
| Tomorrows Hope Foundation | U | Rockville Centre, NY | 1 | $10,000 | 2025 |
| Water Mill Museum 11-3554827 | B | Water Mill, NY | 1 | $10,000 | 2024 |
| East Islip Soccer Club 11-2646309 | B | East Islip, NY | 3 | $10,000 | 2025 |
| Water Mill Community Club 11-2248730 | B | Water Mill, NY | 1 | $10,000 | 2024 |
| Ajj Scholarship Fund 81-2174726 | C | Speonk, NY | 1 | $10,000 | 2025 |
| Bridgehampton Lions Club 11-0571670 | D | Bridgehampton, NY | 4 | $7,500 | 2025 |
| Eleanor Whitemore Early Childhood Center 11-2202589 | D | East Hampton, NY | 2 | $5,000 | 2023 |
| Camp One Step | U | Chicago, IL | 1 | $5,000 | 2023 |
| Snack & Friends 20-5934666 | B | New York, NY | 2 | $4,500 | 2023 |
| Frank's Ms Foundation Inc | U | Sayville, NY | 1 | $4,000 | 2023 |
| 625 Foundation 82-5339023 | B | Rupert, VT | 3 | $2,700 | 2025 |
| Kiwanis Club of Southhampton 11-6113490 | C | Southampton, NY | 1 | $2,500 | 2025 |
| Tomorrow's Hope Foundation 84-4265021 | C | Uniondale, NY | 1 | $2,500 | 2023 |
| Bergen Highlands Ramsey Charitable Trust 91-2155475 | C | Ramsey, NJ | 1 | $2,500 | 2022 |
| Sag Harbor Lions Club | U | Sag Harbor, NY | 1 | $2,500 | 2023 |
| Kiwanis Club of Southampton Fndt | U | Southampton, NY | 1 | $2,000 | 2024 |
| Glen Rock Booster Club 01-0806356 | C | Glen Rock, NJ | 1 | $2,000 | 2024 |
| American Cancer Society | U | Kennesaw, GA | 1 | $1,070 | 2022 |
| Long Island Caddie Scholarship Fdn 13-6166011 | C | Elmsford, NY | 1 | $1,000 | 2024 |
| St Rita's Rc Church 16-0794894 | D | Brooklyn, NY | 1 | $1,000 | 2022 |
| Empire State Ride | U | Buffalo, NY | 1 | $1,000 | 2025 |
| Development Disabilities Institute | U | Smithtown, NY | 1 | $1,000 | 2024 |
| Evelyn Alexander Wildlife Rescue 11-3409551 | C | Hampton Bays, NY | 1 | $500 | 2023 |
| Guild Hall of East Hampton 11-1776034 | B | East Hampton, NY | 1 | $500 | 2025 |
| Mga Caddie Scholarship Fund | U | Elmsford, NY | 1 | $250 | 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 69 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Southhampton Hospital Foundation Southampton, NY | U | $100,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | North Sea Maritime Center Southampton, NY | C | $51,500 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Hss Foundation New York, NY | U | $51,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Eeda Foundation Riverhead, NY | U | $20,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Ichan School of Medicine New York, NY | U | $15,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Sag Harbor Lions Club Pierson Schol Sag Harbor, NY | D | $14,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Met Pga Foundation Elmsford, NY | U | $11,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Carmel Connection Foundation Point Pleasant Beach, NJ | B | $10,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Tomorrows Hope Foundation Rockville Centre, NY | U | $10,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Ajj Scholarship Fund Speonk, NY | C | $10,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Retreat Inc East Hampton, NY | B | $10,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Break Watersailing Club Sag Harbor, NY | D | $9,300 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Sco Family of Services Garden City, NY | B | $8,250 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Road Forward Scholarship Fund Bridgehampton, NY | B | $5,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Bridgehampton Lions Club Bridgehampton, NY | D | $5,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Kiwanis Club of Southhampton Southampton, NY | C | $2,500 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | East Islip Soccer Club East Islip, NY | B | $2,500 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | 625 Foundation Rupert, VT | B | $1,700 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Empire State Ride Buffalo, NY | U | $1,000 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Guild Hall of East Hampton East Hampton, NY | B | $500 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2025 | Mga Caddie Scholarship Fund Elmsford, NY | U | $250 | paid | Tax Exempt Contribution | 202621349349104257 |
| 2024 | Southampton Hospital Foundation Southampton, NY | B | $150,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | St Francis Hospital Foundation Roslyn, NY | B | $27,500 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Sag Harbor Lions Club Pierson Schol Sag Harbor, NY | D | $20,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Carmel Connection Foundation Point Pleasant Beach, NJ | B | $15,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | North Sea Maritime Center Southampton, NY | C | $10,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Road Forward Scholarship Fund Bridgehampton, NY | B | $10,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Water Mill Museum Water Mill, NY | B | $10,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Water Mill Community Club Water Mill, NY | B | $10,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Sco Family of Services Garden City, NY | B | $8,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Met Pga Foundation Elmsford, NY | U | $6,750 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Retreat Inc East Hampton, NY | B | $5,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | East Islip Soccer Club East Islip, NY | B | $5,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Eeda Foundation Riverhead, NY | U | $5,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Breakwater Saling Club Sag Harbor, NY | D | $2,500 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Glen Rock Booster Club Glen Rock, NJ | C | $2,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Kiwanis Club of Southampton Fndt Southampton, NY | U | $2,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Development Disabilities Institute Smithtown, NY | U | $1,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Bridgehampton Lions Club Bridgehampton, NY | D | $1,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2024 | Long Island Caddie Scholarship Fdn Elmsford, NY | C | $1,000 | paid | Tax Exempt Contribution | 202541299349102744 |
| 2023 | Cmta Glenolden, PA | U | $25,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | St Francis Hospital Foundation Roslyn, NY | B | $22,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Ichan School of Medicine New York, NY | U | $15,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Sco Family of Services Glen Cove, NY | C | $8,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Met Pga Foundation Elmsford, NY | U | $7,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Camp One Step Chicago, IL | U | $5,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Frank's Ms Foundation Inc Sayville, NY | U | $4,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Eleanor Whitemore Early Childhood Center East Hampton, NY | D | $2,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Tomorrow's Hope Foundation Uniondale, NY | C | $2,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Sag Harbor Lions Club Sag Harbor, NY | U | $2,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | East Islip Soccer Club East Islip, NY | B | $2,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Snack & Friends New York, NY | B | $2,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Bridgehampton Lions Club Bridgehampton, NY | D | $1,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | Evelyn Alexander Wildlife Rescue Hampton Bays, NY | C | $500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2023 | 625 Foundation Rupert, VT | B | $500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202413209349101641 |
| 2022 | Southampton Hospital Foundation Southhampton, NY | B | $50,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | Cmta Glenolden, PA | U | $25,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | Ichan School of Medicine New York, NY | U | $15,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | Sco Family of Services Glen Cove, NY | C | $10,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | Met Pga Foundation Elmsford, NY | U | $10,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | St Francis Hospital Foundation Roslyn, NY | B | $5,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | Bergen Highlands Ramsey Charitable Trust Ramsey, NJ | C | $2,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | Eleanor Whitemore Early Childhood Center East Hampton, NY | D | $2,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | Snack & Friends New York, NY | B | $2,500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | American Cancer Society Kennesaw, GA | U | $1,070 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | St Rita's Rc Church Brooklyn, NY | D | $1,000 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | Bridgehampton Lions Club Bridgehampton, NY | D | $500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | 625 Foundation Rupert, VT | B | $500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
| 2022 | Retreat Inc East Hampton, NY | B | $500 | paid | TO FURTHER DONEE'S EXEMPT PURPOSE | 202332619349100508 |
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 | 202621349349104257 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202541299349102744 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202413209349101641 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202332619349100508 |
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/853636639.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.