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New York · Private foundation

The 5 51 5 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.

$336k
Granted FY2025(still arriving)
17
Grants FY2025
24
Organizations funded FY2024
42%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$5,000
Largest grant, FY2025
$170,000
Organizations funded a year
10 to 24
FY2019 to FY2024
States reached, FY2025
8
Total assets, FY2025
$457k
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 42% of the organizations The 5 51 5 Foundation Inc funded were first-time grantees, receiving 46% of its grant dollars.

New vs renewed · share of each year

In FY2024, 54% of grant dollars renewed an existing relationship; $2.3M went to new ones.

50%100%’20’21’23’24
RenewedFirst-time

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

’20’21’23’24
Arts & CultureEnvironmentEducationHealthRecreation & SportsHuman ServicesOther
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 arriving17$336k29%
FY202424$4.9M42%
FY202318$89k50%
FY202110$62k30%
FY202020$322k60%
FY201917$145kn/a
98% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2019 to 2025.

Education$6.0MRecreation & Sports$301kArts & Culture$191kFood & Nutrition$151kReligion$75kAnimals$65kInternational$41kHealth$37kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

NH
NY
MA
OH
PA
NJ
CT
CA
WV
VA
MD
DC

Top grantees

Largest recipients by total granted, FY2019 to FY2025, and the share of each one’s budget the grants supplied at peak.

Show all 45 grantees
All grantees of The 5 51 5 Foundation Inc by total granted
GranteeTotal grantedYearsShare of their budget
Johns Hopkins University$2,540,00020%
Central Park Conservancy Inc$300,00030%
Manhattan Theatre Club Inc$170,00010%
Orkestai Farm Inc$150,000329%
Teachers College Columbia University$45,00030%
Global Fund for Children$25,00010%
Fountain House Inc$20,00020%
David M Hunt Library & School Association Inc$17,50034%
Make a Change World Inc$15,00012%
Tarjimly Inc$15,00011%
Catholic Guardian Services$12,50010%
Summer Search$11,00020%
The Teak Fellowship Inc$10,0001n/a
Life Science Cares Inc$10,00010%
Denison University$9,00050%
The Trustees of Reservations$6,00060%
Metropolitan Museum of Art$5,00010%
The Fibrolamellar Cancer Foundation$5,00010%
Juilliard School$5,00010%
Partnership for Inner City Education Dba Partnership Schools$5,00010%
The Partnership for After School Education Inc$5,00020%
Jacob's Pillow Dance Festival Inc$5,00010%
Pace University$5,00010%
Delta Gamma Foundation$4,00040%
Great Mountain Forest Corporation$4,00040%
122 East 66th Street Foundation Inc$3,00030%
Appalachian Trail Conservancy$3,00030%
Fund for Park Avenue New York Inc$2,50050%
Sharon Land Trust Inc$2,00021%
The League for People With Disabilities$2,00010%
Lubavitch on the Palisades$2,0002n/a
Big Sur Land Trust$2,00020%
The Doe Fund Inc$1,10030%
Salisbury Winter Sports Assoc Inc$1,10020%
Falls Village Children's Theater Company$1,0001n/a
Carmel Mission Foundation Inc$1,00010%
Seeds of Peace Inc$1,00010%
Carmel Bach Festival Inc$1,00010%
Salisbury Volunteer Ambulance Serv$1,00010%
The Corner Food Pantry Inc$1,00020%
Environmental Advocates Ny Inc$1,00010%
'Sconset Trust Inc$75010%
Falls Village-Canaan Historical Soc$50012%
National Parks Conservation Association$50050%
St Maurice Church$4001n/a

What it could do for these grantees

Plus 11 recipients with no EIN on record ($2.4M), not named here.

Where it is load-bearing

The 5 51 5 Foundation Inc supplied at least a quarter of the budget for 1 of its grantees at some point. The chart plots its 41 largest grantees; load-bearing ones sit top left.

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetJohns Hopkins University: $2,540,000 over 2y, 0.0% of budgetCentral Park Conservancy Inc: $300,000 over 3y, 0.1% of budgetManhattan Theatre Club Inc: $170,000 over 1y, 0.4% of budgetOrkestai Farm Inc: $150,000 over 3y, 29% of budgetTeachers College Columbia University: $45,000 over 3y, 0.0% of budgetGlobal Fund for Children: $25,000 over 1y, 0.3% of budgetFountain House Inc: $20,000 over 2y, 0.0% of budgetDavid M Hunt Library & School Association Inc: $17,500 over 3y, 3.7% of budgetMake a Change World Inc: $15,000 over 1y, 1.5% of budgetTarjimly Inc: $15,000 over 1y, 1.2% of budgetCatholic Guardian Services: $12,500 over 1y, 0.0% of budgetSummer Search: $11,000 over 2y, 0.1% of budgetLife Science Cares Inc: $10,000 over 1y, 0.2% of budgetDenison University: $9,000 over 5y, 0.0% of budgetThe Trustees of Reservations: $6,000 over 6y, 0.0% of budgetMetropolitan Museum of Art: $5,000 over 1y, 0.0% of budgetThe Fibrolamellar Cancer Foundation: $5,000 over 1y, 0.1% of budgetJuilliard School: $5,000 over 1y, 0.0% of budgetPartnership for Inner City Education Dba Partnership Schools: $5,000 over 1y, 0.0% of budgetThe Partnership for After School Education Inc: $5,000 over 2y, 0.2% of budgetJacob's Pillow Dance Festival Inc: $5,000 over 1y, 0.0% of budgetPace University: $5,000 over 1y, 0.0% of budgetDelta Gamma Foundation: $4,000 over 4y, 0.0% of budgetGreat Mountain Forest Corporation: $4,000 over 4y, 0.2% of budget122 East 66th Street Foundation Inc: $3,000 over 3y, 0.3% of budgetAppalachian Trail Conservancy: $3,000 over 3y, 0.0% of budgetFund for Park Avenue New York Inc: $2,500 over 5y, 0.0% of budgetSharon Land Trust Inc: $2,000 over 2y, 0.5% of budgetThe League for People With Disabilities: $2,000 over 1y, 0.0% of budgetBig Sur Land Trust: $2,000 over 2y, 0.0% of budgetThe Doe Fund Inc: $1,100 over 3y, 0.0% of budgetSalisbury Winter Sports Assoc Inc: $1,100 over 2y, 0.5% of budgetCarmel Mission Foundation Inc: $1,000 over 1y, 0.1% of budgetSeeds of Peace Inc: $1,000 over 1y, 0.0% of budgetCarmel Bach Festival Inc: $1,000 over 1y, 0.0% of budgetSalisbury Volunteer Ambulance Serv: $1,000 over 1y, 0.2% of budgetThe Corner Food Pantry Inc: $1,000 over 2y, 0.1% of budgetEnvironmental Advocates Ny Inc: $1,000 over 1y, 0.0% of budget'Sconset Trust Inc: $750 over 1y, 0.0% of budgetFalls Village-Canaan Historical Soc: $500 over 1y, 1.8% of budgetNational Parks Conservation Association: $500 over 5y, 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 41.

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.

Northwest Connecticut Community Foundation IncCT15.6× affinity5 shared granteesties to 10 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Northwest Connecticut Community Foundation Inc · Berkshire Taconic Community Foundation Inc · The Bessemer Giving Fund · Gs Donor Advised Philanthropy Fund for Wealth Management Inc · General Atlantic Foundation · Silicon Valley Community Foundation · The Ayco Charitable Foundation · The Goldman Sachs Charitable Gift Fund · The San Francisco Foundation · Vanguard Charitable Endowment Program · Jpmorgan Chase Foundation · National Philanthropic Trust

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 5 51 5 Foundation Inc with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to The 5 51 5 Foundation Inc?

Find your warmest path to The 5 51 5 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 5 51 5 Foundation Inc

How much does The 5 51 5 Foundation Inc give?
The 5 51 5 Foundation Inc reported 17 grants totaling $336,400 in its FY2025 IRS filing. It funded between 10 and 24 organizations a year over FY2019 to FY2024.
What does The 5 51 5 Foundation Inc fund?
By grant dollars over FY2019 to FY2025, its largest causes are Education (73%), Recreation & Sports (4%), Arts & Culture (2%).
Who are The 5 51 5 Foundation Inc's largest grantees?
By total granted over FY2019 to FY2025: Johns Hopkins University ($2.5M), Central Park Conservancy Inc ($300k), Manhattan Theatre Club Inc ($170k).
Does The 5 51 5 Foundation Inc fund new organizations?
In FY2024, 42% of the organizations it funded were first-time grantees.
Does The 5 51 5 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 5 51 5 Foundation Inc?
Its strongest co-funders, measured against what their size predicts, include Northwest Connecticut Community Foundation Inc, Berkshire Taconic Community Foundation Inc, The Bessemer Giving Fund.
Where is The 5 51 5 Foundation Inc based?
The 5 51 5 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 59 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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