Grants paid by The River Foundation C/O Walter & Celia Gilbert Trustees
EIN 04-3254488 · Cambridge, MA · Form 990-PF, Part XV · NTEE T22Z
The River Foundation C/O Walter & Celia Gilbert Trustees of Cambridge, MA (EIN 04-3254488) reported 46 grants paid totaling $1,642,337 to 13 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
$1,642,337
46 grants
Recipients
13
distinct organizations
Tax years
2018–2025
7 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 10 | $206,985 | — |
| 2020 | 7 | $190,000 | — |
| 2021 | 8 | $313,352 | — |
| 2022 | 4 | $150,000 | — |
| 2023 | 6 | $293,000 | — |
| 2024 | 5 | $193,000 | — |
| 2025 | 6 | $296,000 | — |
Top recipients
The 13 recipients receiving the most from The River Foundation C/O Walter & Celia Gilbert Trustees, by grants paid, out of 13 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Beth Israel Deaconess Medical Center 04-2103881 | B | Boston, MA | 8 | $405,000 | 2025 |
| Ancient Egypt Research Associates 36-3325468 | C | Boston, MA | 4 | $346,985 | 2025 |
| Museum of Fine Arts 04-2103607 | B | Boston, MA | 7 | $300,000 | 2025 |
| Cold Spring Harbor Laboratory 11-2013303 | B | Cold Spring Harbor, NY | 5 | $170,000 | 2025 |
| Society for Science and the Public 53-0196483 | B | Washington, DC | 7 | $160,000 | 2025 |
| The Metropolitan Opera | U | New York, NY | 2 | $120,000 | 2020 |
| Harvard Art Museum | U | Cambridge, MA | 5 | $70,000 | 2025 |
| Brookline Food Pantry 47-2541926 | B | Brookline, MA | 1 | $20,000 | 2021 |
| Boston Ballet 04-2312734 | B | Boston, MA | 3 | $15,352 | 2021 |
| Aclu Foundation | U | Boston, MA | 1 | $10,000 | 2018 |
| Naacp Legal Defense Fund | U | New York, NY | 1 | $10,000 | 2020 |
| Harvard Art Museums | U | Cambridge, MA | 1 | $10,000 | 2018 |
| Real News Project Inc 20-4219729 | B | New York, NY | 1 | $5,000 | 2018 |
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 46 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Ancient Egypt Research Associates Boston, MA | C | $100,000 | paid | UNRESTRICTED | 202611319349100326 |
| 2025 | Beth Israel Deaconess Medical Center Boston, MA | B | $60,000 | paid | UNRESTRICTED | 202611319349100326 |
| 2025 | Museum of Fine Arts Boston, MA | B | $56,000 | paid | UNRESTRICTED | 202611319349100326 |
| 2025 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $40,000 | paid | UNRESTRICTED | 202611319349100326 |
| 2025 | Society for Science and the Public Washington, DC | B | $25,000 | paid | UNRESTRICTED | 202611319349100326 |
| 2025 | Harvard Art Museum Cambridge, MA | U | $15,000 | paid | UNRESTRICTED | 202611319349100326 |
| 2024 | Beth Israel Deaconess Medical Center Boston, MA | B | $60,000 | paid | UNRESTRICTED | 202501319349100165 |
| 2024 | Museum of Fine Arts Boston, MA | B | $53,000 | paid | UNRESTRICTED | 202501319349100165 |
| 2024 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $40,000 | paid | UNRESTRICTED | 202501319349100165 |
| 2024 | Society for Science and the Public Washington, DC | B | $25,000 | paid | UNRESTRICTED | 202501319349100165 |
| 2024 | Harvard Art Museum Cambridge, MA | U | $15,000 | paid | UNRESTRICTED | 202501319349100165 |
| 2023 | Ancient Egypt Research Associates Boston, MA | C | $105,000 | paid | UNRESTRICTED | 202441299349103104 |
| 2023 | Beth Israel Deaconess Medical Center Boston, MA | B | $60,000 | paid | UNRESTRICTED | 202441299349103104 |
| 2023 | Museum of Fine Arts Boston, MA | B | $53,000 | paid | UNRESTRICTED | 202441299349103104 |
| 2023 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $30,000 | paid | UNRESTRICTED | 202441299349103104 |
| 2023 | Society for Science and the Public Washington, DC | B | $25,000 | paid | UNRESTRICTED | 202441299349103104 |
| 2023 | Harvard Art Museum Cambridge, MA | U | $20,000 | paid | UNRESTRICTED | 202441299349103104 |
| 2022 | Beth Israel Deaconess Medical Center Boston, MA | B | $50,000 | paid | UNRESTRICTED | 202301289349102590 |
| 2022 | Museum of Fine Arts Boston, MA | B | $45,000 | paid | UNRESTRICTED | 202301289349102590 |
| 2022 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $30,000 | paid | UNRESTRICTED | 202301289349102590 |
| 2022 | Society for Science and the Public Washington, DC | B | $25,000 | paid | UNRESTRICTED | 202301289349102590 |
| 2021 | Ancient Egypt Research Associates Boston, MA | C | $100,000 | paid | UNRESTRICTED | 202231359349100328 |
| 2021 | Beth Israel Deaconess Medical Center Boston, MA | B | $90,000 | paid | UNRESTRICTED | 202231359349100328 |
| 2021 | Museum of Fine Arts Boston, MA | B | $33,000 | paid | UNRESTRICTED | 202231359349100328 |
| 2021 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $30,000 | paid | UNRESTRICTED | 202231359349100328 |
| 2021 | Society for Science and the Public Washington, DC | B | $25,000 | paid | UNRESTRICTED | 202231359349100328 |
| 2021 | Brookline Food Pantry Brookline, MA | B | $20,000 | paid | UNRESTRICTED | 202231359349100328 |
| 2021 | Harvard Art Museum Cambridge, MA | U | $10,000 | paid | UNRESTRICTED | 202231359349100328 |
| 2021 | Boston Ballet Boston, MA | B | $5,352 | paid | UNRESTRICTED | 202231359349100328 |
| 2020 | The Metropolitan Opera New York, NY | U | $60,000 | paid | UNRESTRICTED | 202101379349102420 |
| 2020 | Beth Israel Deaconess Medical Center Boston, MA | B | $50,000 | paid | UNRESTRICTED | 202101379349102420 |
| 2020 | Museum of Fine Arts Boston, MA | B | $30,000 | paid | UNRESTRICTED | 202101379349102420 |
| 2020 | Society for Science and the Public Washington, DC | B | $25,000 | paid | UNRESTRICTED | 202101379349102420 |
| 2020 | Harvard Art Museum Cambridge, MA | U | $10,000 | paid | UNRESTRICTED | 202101379349102420 |
| 2020 | Naacp Legal Defense Fund New York, NY | U | $10,000 | paid | UNRESTRICTED | 202101379349102420 |
| 2020 | Boston Ballet Boston, MA | B | $5,000 | paid | UNRESTRICTED | 202101379349102420 |
| 2018 | The Metropolitan Opera New York, NY | U | $60,000 | paid | UNRESTRICTED | 201911359349101051 |
| 2018 | Ancient Egypt Research Associates Boston, MA | C | $41,985 | paid | UNRESTRICTED | 201911359349101051 |
| 2018 | Museum of Fine Arts Boston, MA | B | $30,000 | paid | UNRESTRICTED | 201911359349101051 |
| 2018 | Beth Israel Deaconess Medical Center Rna Institute Boston, MA | C | $25,000 | paid | UNRESTRICTED | 201911359349101051 |
| 2018 | Beth Israel Deaconess Medical Center Annual Fund Boston, MA | C | $10,000 | paid | UNRESTRICTED | 201911359349101051 |
| 2018 | Harvard Art Museums Cambridge, MA | U | $10,000 | paid | UNRESTRICTED | 201911359349101051 |
| 2018 | Aclu Foundation Boston, MA | U | $10,000 | paid | UNRESTRICTED | 201911359349101051 |
| 2018 | Society for Science and the Public Washington, DC | B | $10,000 | paid | UNRESTRICTED | 201911359349101051 |
| 2018 | Boston Ballet Boston, MA | B | $5,000 | paid | UNRESTRICTED | 201911359349101051 |
| 2018 | Real News Project Inc New York, NY | B | $5,000 | paid | UNRESTRICTED | 201911359349101051 |
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 | 202611319349100326 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202501319349100165 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202441299349103104 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202301289349102590 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202231359349100328 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202101379349102420 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201911359349101051 |
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/043254488.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.