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· Public charity

Manhasset Women's Coalition Against Breast Cancer Inc

The Coalition funds innovative breast cancer research, increases awareness through education, and provides support services to those with breast cancer and related diseases.

$441k
Granted FY2024still arriving
9
Grants FY2024still arriving
1
States reached
$100k
Largest
01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Health$1.3MEducation$369kScience & Tech$175kHuman Services$6k
02FY2024 · 9 grants

Where the money goes

Grants by size, and the largest recipients.

How this is measured
The 9 grants below total $344,800, the rows itemized in this filing. The $441,498 headline is the total grant expense on the return; the other $96,698 is giving the schedule does not break out (grants under the $5,000 itemization floor, grants to individuals, grants on other schedules). Every figure below describes the itemized rows only.

By grant size · FY2024

  • Under $10k3 grants · $19k
  • $10k–50k3 grants · $51k
  • $50k–250k3 grants · $275k
$19,500
Median grant
1
States reached
$627k
Total assets
Largest grants
RecipientAmount
Icahn School of Medicine$100,000
Cold Spring Harbor Labs$100,000
NYU Grossman School of Medicine$75,000
Memorial Sloan Kettering Cancer Center$20,000
Adelphi University$19,500
Northwell Health Foundation$11,500
Strength for Life$7,500
Sid Jacobson JCC Nancy Marx Center$6,000
St Francis Hospital Foundation$5,300
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY24–24, $6k) land where the poverty rate runs at 6%, against an area that typically sits at 6%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 6%Sid Jacobson JCC Nancy Marx Center: $6k → 6%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

94%of every dollar goes to organizations it has funded before.
$1.7M · 8 repeat orgs$114k to everyone else

8 repeat relationships: 7 still active in FY2024, 1 since wound down; 2 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

8
1

Total granted

$1.7M
$100k

Still filing today

88%
0%

New vs renewed · share of each year

In FY2024, 96% of grant dollars renewed an existing relationship; $14k went to new ones.

50%100%’17’18’19’20’21’22’23’24
RenewedFirst-time

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

’17’18’19’20’21’22’23’24
HealthEducationScience & TechHuman 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.

Backed again, and grew

  • NY
    New York University
    6× · 2017–2024 · $456k · revenue +76%
  • ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
    3× · 2019–2024 · $275k · revenue +41%
  • TF
    THE FEINSTEIN INSTITUTES FOR MEDICAL RESEARCH
    3× · 2017–2022 · $235k · revenue +42%

Funded once

  • WM
    Weill Medical College of Cornell Univers
    one grant, 2023 · $100k
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Long Island Jewish Medical Center

Long island jewish medical center is part of the northwell health ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care; educating the current and…

Health
2
North Shore University Hospital

North shore university hospital is part of northwell health ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care; educating the current and future…

Health
3
South Shore University Hospital

South shore university hospital is part of northwell health ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care; educating the current and future…

Health
4
Staten Island University Hospital

Staten island university hospital is an affiliate within northwell health, inc. ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care; educating the…

Health
5
Lenox Hill Hospital

Lenox hill hospital is part of northwell health ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care; educating the current and future generations…

Health
6
Northwell Health Inc

Northwell health is the parent company of a fully integrated health system that is committed to promote clinical care, health education, conduct biomedical research, and caring for the community regardless of ability to pay.

Community Improvement
7
Glen Cove Hospital

Glen cove hospital is part of northwell health, inc. ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality geriatric care; educating the current and future…

Health
8
Northwell Healthcare Inc

Northwell healthcare inc. coordinates policy making and strategic planning by providing advisory and administrative support services to affiliated health care organizations within northwell health; whose mission is to improve the health of…

Health
9
Central Suffolk Hospital

Central suffolk hospital ("csh") d/b/a peconic bay medical center ("pbmc") is a not-for-profit hospital consisting of acute health care, a skilled nursing facility and a certified home care agency. csh provides a full range of health care…

Health
10
John T Mather Memorial Hospital

John t. mather memorial hospital ("mather") is a non-profit community hospital that is part of northwell health. mather strives to improve the health of the communities it serves and is committed to providing the highest quality clinical…

Health
11
Phelps Memorial Hospital Association

Phelps memorial hospital association ("pmha") is part of northwell health, inc ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care; educating the…

Health
12
Plainview Hospital

Plainview hospital is part of northwell health, inc ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care; educating the current and future…

Health
How this is measured
The grantee most central to the portfolio’s shape is Icahn School of Medicine At Mount Sinai; the most unlike its peers is New York University. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

9 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 9 of the 11 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
0
Early backer (in before they grew)
9/9
Grantees still filing
9/9
Grew since first funded

Where the money sits, by cause and then by grantee

New York University: $456,350 · EducationNew York UniversityICAHN SCHOOL OF MEDICINE AT MOUNT SINAI: $275,000 · EducationICAHN SCHOOL OF MEDICINE AT MOUNT SINAIADELPHI UNIVERSITY: $119,000 · EducationADELPHI UNIVERSITYMEMORIAL SLOAN-KETTERING CANCER CENTER: $326,504 · OtherMEMORIAL SLOAN-KETTERING C…Weill Medical College of Cornell Univers: $100,000 · OtherWeill Medical College of C…THE FEINSTEIN INSTITUTES FOR MEDICAL RESEARCH: $235,000 · HealthTHE FEINSTEIN INSTITUT…NORTHWELL HEALTH FOUNDATION: $88,900 · HealthNORTHWELL HEALTH FOUND…ST FRANCIS HOSPITAL FOUNDATION INC: $24,300 · HealthST FRANCIS HOSPITAL FO…+1 more: $7,500 · HealthCOLD SPRING HARBOR LABORATORY: $175,000 · Science & TechCOLD SPRIN…SID JACOBSON JEWISH COMMUNITY CENTER: $6,000 · Human Services
Education$850,350Other$426,504Health$355,700Science & Tech$175,000Human Services$6,000

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetNew York University: $456,350 over 6y, 0.0% of budgetICAHN SCHOOL OF MEDICINE AT MOUNT SINAI: $275,000 over 3y, 0.0% of budgetTHE FEINSTEIN INSTITUTES FOR MEDICAL RESEARCH: $235,000 over 3y, 0.1% of budgetCOLD SPRING HARBOR LABORATORY: $175,000 over 2y, 0.0% of budgetADELPHI UNIVERSITY: $119,000 over 8y, 0.0% of budgetNORTHWELL HEALTH FOUNDATION: $88,900 over 8y, 0.0% of budgetST FRANCIS HOSPITAL FOUNDATION INC: $24,300 over 4y, 0.0% of budgetSTRENGTH FOR LIFE INC: $7,500 over 1y, 4.8% of budgetSID JACOBSON JEWISH COMMUNITY CENTER: $6,000 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

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.

National Philanthropic TrustPA11.2× affinity4 shared granteesties to 1 of 1Hover any node to trace its alignments.Compare side by side →

Open a dossier: National Philanthropic Trust · Fidelity Investments Charitable Gift Fund

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.

How much its grantees rely on government

Each dot is one organization Manhasset Women's Coalition Against Breast Cancer Inc funds: left to right is the share of its income from government, bottom to top the share from Manhasset Women's Coalition Against Breast Cancer Inc. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%0%1%3%5%funder's share of their income ↑0%13%25%38%50%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    1report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–50%
    typical government reliance, FY20–25
    How this is measured
    Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.
    05Through Plinth

    Warm introductions · Powered by PlinthPlus

    How do I get to Manhasset Women's Coalition Against Breast Cancer Inc?

    Find your warmest path to Manhasset Women's Coalition Against Breast Cancer 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.

    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 11 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 e-file return for fiscal year 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

    Source object · view filing

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