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New York · Private foundation

Alfred Lee and Peter Mayer Foundation

Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$110k
Granted FY2025(still arriving)
22
Grants FY2025
17
Organizations funded FY2024
29%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$3,000
Largest grant, FY2025
$40,000
Organizations funded a year
11 to 29
FY2018 to FY2024
States reached, FY2025
6
Total assets, FY2025
$1.6M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 29% of the organizations Alfred Lee and Peter Mayer Foundation funded were first-time grantees, receiving 55% of its grant dollars.

New vs renewed · share of each year

In FY2024, 45% of grant dollars renewed an existing relationship; $44k went to new ones.

50%100%’18’19’20’21’22’23’24
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’18’19’20’21’22’23’24
EducationHuman ServicesArts & CultureEnvironmentFood & NutritionCivil RightsOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.
The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2025still arriving21$104k48%
FY202417$81k29%
FY202325$92k16%
FY202228$83k14%
FY202129$81k45%
FY202015$39k47%
FY201913$30k38%
FY201811$25k45%
100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.

Education$166kArts & Culture$115kCivil Rights$101kHealth$83kEnvironment$43kFood & Nutrition$41kInternational$10kHuman Services$10kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

VT
NH
MN
MI
NY
MA
NJ
RI
CA
DC
OK
LA
TX

Top grantees

Largest recipients by total granted, FY2017 to FY2025, and the share of each one’s budget the grants supplied at peak.

Show all 33 grantees

What it could do for these grantees

Plus 32 recipients with no EIN on record ($328k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget Alfred Lee and Peter Mayer Foundation supplied at peak.

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetClean Air Task Force Inc: $27,250 over 5y, 0.0% of budgetCitymeals-On-Wheels: $20,056 over 5y, 0.0% of budgetThe Mercantile Library Association of the City of New York Inc: $17,500 over 5y, 0.4% of budgetAnti-Defamation League: $17,000 over 3y, 0.0% of budgetThe Santa Maddalena Foundation Inc Co Barbara Spence: $16,000 over 8y, 3.5% of budgetShare Our Strength: $14,000 over 4y, 0.0% of budgetAmerican Civil Liberties Union Foundation Inc: $14,000 over 4y, 0.0% of budgetAlzheimer's Disease and Related Disorders New York City Inc: $13,040 over 7y, 0.1% of budgetLake Winnipesaukee Association: $10,066 over 5y, 0.7% of budgetSociety for Science & the Public: $8,500 over 7y, 0.0% of budgetProspect Park Alliance Inc: $6,000 over 4y, 0.0% of budgetHudson Valley Hospice Inc: $6,000 over 2y, 0.0% of budgetUnited Nations Foundation Inc: $5,000 over 1y, 0.0% of budgetDallas Arboretum and Botanical Society Inc: $5,000 over 3y, 0.0% of budgetDorot Inc: $4,000 over 2y, 0.0% of budgetSecond Harvest Food Bank Greater New Orleans and Acadiana: $4,000 over 2y, 0.0% of budgetProspect Schools Inc: $3,010 over 1y, 0.1% of budgetAmerican Parkinson Disease Assoc: $3,000 over 1y, 0.0% of budgetHudson Valley Hospice Foundation Inc: $3,000 over 1y, 0.2% of budgetBrooklyn Prospect Charter School: $3,000 over 1y, 0.0% of budgetThe Young Men's and Young Women's Hebrew Association: $2,500 over 1y, 0.0% of budgetInternational Rescue Committee INC: $2,500 over 1y, 0.0% of budgetInternational Refugee Assistance Project Inc: $2,500 over 1y, 0.0% of budgetBrooklyn Public Library: $2,070 over 1y, 0.0% of budgetMaverick Concerts Inc: $1,075 over 5y, 0.2% of budgetMarbletown First Aid Unit Inc: $500 over 1y, 0.0% of budgetThe Neue Galerie New York: $225 over 1y, 0.0% of budgetMetropolitan Museum of Art: $200 over 1y, 0.0% of budgetThe Brooklyn Institute of Arts and Sciences: $125 over 1y, 0.0% of budgetThe Houston Food Bank: $100 over 1y, 0.0% of budgetThe Westerly Land Trust: $30 over 1y, 0.0% of budget

Tap a dot to name the grantee.

How this is measured
Share of budget is the funder’s grant in a year over the grantee’s total revenue that year, at its highest across the years we hold; revenue is from all sources. Only grantees confirmed against their own filings, whose grants do not exceed their revenue, are plotted: the largest 31.

Nonprofits that may fit its grantmaking

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

The Pfizer Foundation IncNY9.4× affinity4 shared granteesties to 6 of 6Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Pfizer Foundation Inc · American Endowment Foundation · The Bank of America Charitable Foundation Inc · American Online Giving Foundation Inc · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

Compare Alfred Lee and Peter Mayer Foundation with peer funders

About Alfred Lee and Peter Mayer Foundation

How much does Alfred Lee and Peter Mayer Foundation give?
Alfred Lee and Peter Mayer Foundation reported 22 grants totaling $110,163 in its FY2025 IRS filing. It funded between 11 and 29 organizations a year over FY2018 to FY2024.
What does Alfred Lee and Peter Mayer Foundation fund?
By grant dollars over FY2017 to FY2025, its largest causes are Education (28%), Arts & Culture (20%), Civil Rights (17%).
Who are Alfred Lee and Peter Mayer Foundation's largest grantees?
By total granted over FY2017 to FY2025: Clean Air Task Force Inc ($27k), Citymeals-On-Wheels ($20k), The Mercantile Library Association of the City of New York Inc ($18k).
Does Alfred Lee and Peter Mayer Foundation fund new organizations?
In FY2024, 29% of the organizations it funded were first-time grantees.
Does Alfred Lee and Peter Mayer Foundation accept unsolicited applications?
Its most recent filing reports that it funds preselected organizations and does not take unsolicited requests. Check the foundation's own site before ruling it out.
Which funders back the same organizations as Alfred Lee and Peter Mayer Foundation?
Its strongest co-funders, measured against what their size predicts, include The Pfizer Foundation Inc, American Endowment Foundation, The Bank of America Charitable Foundation Inc.
Where is Alfred Lee and Peter Mayer Foundation based?
Alfred Lee and Peter Mayer Foundation is based in NY.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 66 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990-PF e-file return for fiscal year 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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