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IRS 990-PF profile

MERCURY FOUNDATION

Redwood City, CA · EIN 814466525 · Data as of July 31, 2026

Can an organization apply?

Yes. Its 2025 filing describes how to apply.

Application timing as written in that filing: “NO DEADLINE HAVE BEEN ESTABLISHED AT THIS TIME.” This is historical filing information.

How to apply, from its own filing

Contact
PETER W GROUSBECK TRUSTEE / 4153922123
Address
PO BOX 29129, LOS ANGELES, CA, 90029
Form and process
APPLICATIONS SHOULD BE SUBMITTED ELECTRIONICALLY AND INCLUDE PROOF OF IRC 501(C)(3) STATUS. UNSOLICITED GRANT REQUESTS MAY NOT RECEIVE ACKNOWLEDGEMENT.
Restrictions
GRANTS ARE LIMITED TO IRC SECTION 501(C)(3) DEFINED PURPOSE AND CHARITIES.

own 990-PF filing, 2025. Filed text, not a live application channel. Names, addresses and deadlines age quickly; confirm against current first-party guidance before sending anything.

Giving reported · 2025
$28,000,000
Assets reported
$249,451,224
Median grant
$1,500,000
Latest filing year
2025

Where its recorded grants went

Recipient location in the quality-gated IRS record.

NY21 award lines
CA11 award lines
RI1 award lines
MA1 award lines
VA1 award lines
DC1 award lines

Large examples from the latest covered year

A small sample of the largest organizational grants in the latest covered filing year.

Up to three largest organizational grant examples in the latest covered tax year, with one example per normalized recipient. Named people are omitted. Open the grant records to read each grant’s purpose as written on the filing.

Explore this foundation more deeply

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Grant records from covered filingsIncluded free37 grant recordsSearch every covered organizational grant record by recipient, state, tax year, and amount.Repeat grantees and giving patternsIncluded free5 repeat granteesFind recipients appearing across multiple covered filing years.Foundation grantees with federal award recordsProResearch registry-corroborated organizations that appear in both this foundation’s records and USAspending.Leadership listed in public filingsProPublic filing context for governance research

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What this data is, and what it is not
  • Source: IRS 990-PF filings, grant schedules, and Business Master File identity data.
  • Privacy: Grant recipients that read as named individuals are withheld unless the IRS Business Master File corroborates an organization of that name in that state. Withheld lines are absent from every count and total on this page..
  • Interpretation: Historical grants do not establish current mission, eligibility, application status, or likelihood of future funding.

An award-line count is the number of individual grant lines reported across covered IRS filings, before the grant search groups lines that share the same recipient, amount, and tax year into a single displayed record.