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New York · Private foundation

The John & Margaret Sinclaire Foundation Inc

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.

$190k
Granted FY2025(still arriving)
8
Grants FY2025
13
Organizations funded FY2024
38%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$22,488
Largest grant, FY2025
$60,000
Organizations funded a year
10 to 16
FY2020 to FY2024
States reached, FY2025
3
Total assets, FY2025
$3.3M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 38% of the organizations The John & Margaret Sinclaire Foundation Inc funded were first-time grantees, receiving 38% of its grant dollars.

New vs renewed · share of each year

In FY2024, 62% of grant dollars renewed an existing relationship; $66k went to new ones.

50%100%’21’22’23’24
RenewedFirst-time

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

’21’22’23’24
Crime & LegalPublic BenefitHealthHuman ServicesAnimalsInternationalOther
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 arriving8$190k13%
FY202413$176k38%
FY202313$181k23%
FY202210$205k50%
FY202116$184k25%
FY202015$174kn/a
85% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2025.

Environment$442kHealth$126kCrime & Legal$111kAnimals$71kEducation$43kArts & Culture$36kHuman Services$27kFood & Nutrition$22kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

NH
MT
MI
NY
NJ
CT
CA
DC
FL

Top grantees

Largest recipients by total granted, FY2020 to FY2025, and the share of each one’s budget the grants supplied at peak.

Show all 17 grantees

What it could do for these grantees

Plus 16 recipients with no EIN on record ($700k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget The John & Margaret Sinclaire Foundation Inc supplied at peak.

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetGreater Yellowstone Coalition: $81,488 over 5y, 0.4% of budgetClimate Solutions Accelerator of the Genesee-Finger Lakes Region: $66,000 over 1y, 19% of budgetGenesee Land Trust Inc: $65,462 over 6y, 1.4% of budgetThe Child Advocacy Center of Greater Rochester: $32,802 over 2y, 0.6% of budgetAnimal Welfare Society Inc: $26,266 over 4y, 1.8% of budgetFine Arts Radio Inc: $26,265 over 4y, 17% of budgetFriends Forever: $18,000 over 2y, 0.6% of budgetUnited Spinal Association Inc: $16,083 over 2y, 0.1% of budgetLiteracy Volunteers of Rochester Inc: $15,000 over 2y, 1.6% of budgetFoodlink Inc: $11,488 over 5y, 0.0% of budgetTheaterworks Inc: $10,182 over 2y, 0.2% of budgetChristopher Reeve Foundation: $7,866 over 1y, 0.0% of budgetFamily Promise of Greater Rochester Inc: $7,462 over 1y, 0.7% of budgetAnimal Rescue Foundation Inc: $7,370 over 1y, 5.8% of budgetThe American Society for the Prevention of Cruelty to Animals: $6,934 over 1y, 0.0% of budgetMetro Justice Inc: $6,480 over 1y, 8.6% 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 16.

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.

Esl Charitable FoundationNY17.7× affinity6 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Esl Charitable Foundation · United Way of Greater Rochester and the Finger Lakes Inc · Rochester Area Community Foundation · Aetna Foundation Inc · The Bank of America Charitable Foundation Inc · The Pfizer Foundation Inc · American Endowment Foundation · Morgan Stanley Global Impact Funding Trust Inc · American Online Giving Foundation Inc · Vanguard Charitable Endowment Program · Fidelity Investments Charitable Gift Fund · Donor Advised Charitable Giving Inc

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 The John & Margaret Sinclaire Foundation Inc with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to The John & Margaret Sinclaire Foundation Inc?

Find your warmest path to The John & Margaret Sinclaire Foundation Inc through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

About The John & Margaret Sinclaire Foundation Inc

How much does The John & Margaret Sinclaire Foundation Inc give?
The John & Margaret Sinclaire Foundation Inc reported 8 grants totaling $189,952 in its FY2025 IRS filing. It funded between 10 and 16 organizations a year over FY2020 to FY2024.
What does The John & Margaret Sinclaire Foundation Inc fund?
By grant dollars over FY2020 to FY2025, its largest causes are Environment (40%), Health (11%), Crime & Legal (10%).
Who are The John & Margaret Sinclaire Foundation Inc's largest grantees?
By total granted over FY2020 to FY2025: Greater Yellowstone Coalition ($81k), Climate Solutions Accelerator of the Genesee-Finger Lakes Region ($66k), Genesee Land Trust Inc ($65k).
Does The John & Margaret Sinclaire Foundation Inc fund new organizations?
In FY2024, 38% of the organizations it funded were first-time grantees.
Does The John & Margaret Sinclaire Foundation Inc 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 The John & Margaret Sinclaire Foundation Inc?
Its strongest co-funders, measured against what their size predicts, include Esl Charitable Foundation, United Way of Greater Rochester and the Finger Lakes Inc, Rochester Area Community Foundation.
Where is The John & Margaret Sinclaire Foundation Inc based?
The John & Margaret Sinclaire Foundation Inc 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 33 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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