funder-graph › Recipients
Who funds The Hydrous
EIN 46-5112972 · San Francisco, CA · NTEE S99
The Hydrous of San Francisco, CA (EIN 46-5112972) was named as a grant recipient by 5 funders in 10 grants paid totaling $343,499 in tax years 2018–2025, 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
$343,499
10 grants paid
Funders
5
distinct grantmakers
Tax years
2018–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Fidelity Investments Charitable Gift Fund 11-0303001 | MA | A | 6 | $123,400 | 2025 |
| Tides Foundation 51-0198509 | CA | A | 1 | $100,000 | 2023 |
| National Geographic Society 53-0193519 | DC | A | 1 | $99,999 | 2024 |
| The Baum Foundation 87-0692753 | CA | A | 1 | $18,600 | 2018 |
| Tradition Family Foundation 41-1958548 | MN | B | 1 | $1,500 | 2022 |
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 | Fidelity Investments Charitable Gift Fund | The Hydrous Kentfield, CA | A | $10,000 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2024 | National Geographic Society | The Hydrous | A | $99,999 | paid | Education Grant | 202512739349301916 |
| 2024 | Fidelity Investments Charitable Gift Fund | The Hydrous Kentfield, CA | A | $22,000 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2023 | Tides Foundation | The Hydrous San Francisco, CA | A | $100,000 | paid | SUSTAINABLE ENVIRONMENT | 202412739349300401 |
| 2023 | Fidelity Investments Charitable Gift Fund | The Hydrous Kentfield, CA | A | $10,000 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2022 | Tradition Family Foundation | The Hydrous San Francisco, CA | B | $1,500 | paid | GENERAL DONATION | 202301159349100110 |
| 2021 | Fidelity Investments Charitable Gift Fund | The Hydrous Kentfield, CA | A | $38,400 | paid | For grant recipient's exempt purposes | 202221339349302787 |
| 2020 | Fidelity Investments Charitable Gift Fund | The Hydrous Kentfield, CA | A | $35,000 | paid | For grant recipient's exempt purposes | 202121359349300427 |
| 2019 | Fidelity Investments Charitable Gift Fund | The Hydrous Kentfield, CA | A | $8,000 | paid | For grant recipient's exempt purposes | 202041789349301474 |
| 2018 | The Baum Foundation | The Hydrous San Francisco, CA | A | $18,600 | paid | Programs | 201931209349300428 |
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.