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· Private foundation

Jim and Mimi Weinstein Foundation

Its FY2026 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$193k
Granted FY2026still arriving
11
Grants FY2026still arriving
7
States reached
$51k
Largest
01What it funds
0198% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2022 to 2025.

Health$207kEducation$168kArts & Culture$107kScience & Tech$50kInternational$25kYouth Development$20kPhilanthropy$20kHuman Services$7kOther$0
02FY2026 · 11 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2026

  • Under $10k3 grants · $12k
  • $10k–50k7 grants · $130k
  • $50k–250k1 grant · $51k
$15,000
Median grant
7
States reached
$3.0M
Total assets
Largest grants
RecipientAmount
HUALALAI OHANA FOUNDATION$51,000
INTERMOUNTAIN FOUNDATION$30,000
FRACTURED ATLAS OAK HILL MUSIC FESTIVAL$25,000
GIVE KIDS THE WORLD$20,000
MAKE A WISH NEW HAMPSHIRE$20,000
HITCHCOCK FOUNDATION BRIE FUND$15,000
MAX PLANCK INSTITUTE FOR NEUROSCIENCE$10,000
ELLIS ISLAND HONORS SOCIETY$10,000
DARTMOUTH HITCHCOCK HEALTH$5,000
FIRST$5,000
NORTHWEST SCHOOL OF THE ARTS$1,648
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:

Dollar for dollar, its grants (FY22–26) land where the poverty rate runs at 10%, against an area that typically sits at 9%. 62% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 9%GREENWOOD MUSIC CAMP: $10k → 12%DEERFIELD ACADEMY: $10k → 14%HUALALAI OHANA FOUNDATION: $51k → 15%ELLIS ISLAND HONORS SOCIETY: $10k → 6%FRACTURED ATLAS OAK HILL MUSIC FESTIVAL: $25k → 9%TUNNEL TO TOWERS FOUNDATION: $5k → 11%MAX PLANCK INSTITUTE FOR NEUROSCIENCE: $15k → 11%GIVE KIDS THE WORLD: $30k → 13%JOHN WINTHROP SCHOOL: $5k → 9%NORTHWEST SCHOOL OF THE ARTS: $2k → 10%INTERMOUNTAIN FOUNDATION: $30k → 8%MIDWESTERN UNIVERSITY CHICAGO COLLEGE OF OSTEOPATHIC MEDICINE: $50k → 7%NOURISHING HOPE: $1k → 14%BRADLEY UNIVERSITY: $10k → 14%FIRST: $30k → 7%COMMUNITY CARE OF LYME: $30k → 10%HUALALAI OHANA FOUNDATION: $50k → 15%ELLIS ISLAND HONORS SOCIETY: $10k → 6%FRACTURED ATLAS OAK HILL MUSIC FESTIVAL: $25k → 9%MAX PLANCK FLORIDA INSTITUTE OF NEUROSCIENCE: $15k → 11%GIVE KIDS THE WORLD: $20k → 13%JOHN WINTHROP SCHOOL: $5k → 9%NORTHWEST SCHOOL OF THE ARTS: $2k → 10%INTERMOUNTAIN FOUNDATION: $10k → 8%MIDWESTERN UNIVERSITY CHICAGO COLLEGE OF OSTEOPATHIC MEDICINE: $50k → 7%THE CHARLES AND MARTHA OPPER ENDOWMENT: $1k → 14%FOR INSPIRATION AND RECOGNITION OF SCIENCE AND TECHNOLOGY: $25k → 7%COMMUNITY CARE OF LYME: $10k → 10%HUALALAI OHANA FOUNDATION: $37k → 15%ELLIS ISLAND HONORS SOCIETY: $15k → 6%FRACTURED ATLAS OAK HILL MUSIC FESTIVAL: $20k → 9%MAX PLANCK INSTITUTE FOR NEUROSCIENCE: $10k → 11%GIVE KIDS THE WORLD: $10k → 13%INTERMOUNTAIN FOUNDATION: $10k → 8%MAKE A WISH NEW HAMPSHIRE: $20k → 7%COMMUNITY CARE OF LYME: $2k → 10%HUALALAI OHANA FOUNDATION: $26k → 15%ELLIS ISLAND HONORS SOCIETY: $15k → 6%MAX PLANCK INSTITUTE FOR NEUROSCIENCE: $10k → 11%CAMERATA NEW ENGLAND: $20k → 10%HUALALAI OHANA FOUNDATION: $10k → 15%MONTESSORI CHILDRENS SCHOOL: $5k → 10%TRUSTEES OF DARTMOUTH COLLEGE: $3k → 10%HANOVER CONSERVANCY: $1k → 10%TRUSTEES OF DARTMOUTH COLLEGE: $1k → 10%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.

Which US states its grants reach

NH
IL
NY
MA
SD
CT
CA
UT
KS
NC
HI
GA
FL
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.

75%of every dollar goes to organizations it has funded before.
$621k · 12 repeat orgs$207k to everyone else

Grantees it renews have grown median revenue +16% since the first grant, against 0% for those funded once.

12 repeat relationships: 8 still active in FY2026, 4 since wound down; 3 grantees were first funded in FY2026 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

12
17

Total granted

$621k
$167k

Median revenue growth · since first grant

+16%
0%

Still filing today

42%
53%

New vs renewed · share of each year

In FY2026, 79% of grant dollars renewed an existing relationship; $40k went to new ones.

50%100%’22’23’24’25’26
RenewedFirst-time

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

’22’23’24’25’26
EducationCommunity ImprovementScience & TechRecreation & SportsInternationalArts & CultureOther
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

  • HO
    HUALALAI OHANA FOUNDATION
    5× · 2022–2026 · $173k · revenue +70%
  • GK
    GIVE KIDS THE WORLD INC
    3× · 2024–2026 · $60k · revenue +11%
  • CO
    COMMUNITYCARE OF LYME
    3× · 2022–2024 · $42k · revenue +97%

Funded once

  • F
    FIRST
    one grant, 2024 · $30k
  • FRIENDS OF THE ISRAEL DEFENSE FORCES
    one grant, 2024 · $25k · revenue -2%
  • CN
    Camereta New England
    one grant, 2022 · $20k · revenue -45%
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
University of New Haven

The University of New Haven is a student-centered comprehensive university with an emphasis on excellence in liberal arts and professional education. Our mission is to prepare our students to lead purposeful and fulfilling lives in a…

Education
2
Northeast College of Health Sciences

Northeast college of health sciences (the college) is committed to academic excellence, leadership, and professional best practices in the health sciences.

Education
3
Boston Architectural College

The bac is committed to provide excellence in design education grounded in practice and accessible to diverse communities.

—
4
United States Naval Institute

Provide an independent forum for those who dare to read, think, speak, and write to advance the professional, literary, and scientific understanding of sea power and other issues critical to global security.

—
5
Kendal At Ithaca Inc

Our mission is to provide a mutually supportive environment for residents and staff, and to contribute to the greater ithaca community.

Human Services
6
Trustees of Dartmouth College

Dartmouth College educates the most promising students and prepares them for a lifetime of learning and of responsible leadership, through a faculty dedicated to teaching and the creation of knowledge.

Education
7
Native Plant Trust Inc

The organization's mission is to conserve and promote new england's native plants to ensure healthy, biologically diverse landscapes.

Environment
8
Stony Brook Internists University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
9
Salem Health Hospitals & Clinics

To support salem health, salem health west valley and related organizations.

—
10
Furman University

The primary mission of furman as a liberal arts institution is to provide a distinctive education in fine arts, humanities, social sciences, mathematics and the sciences, as well as selected professional disciplines.

Education
11
Saint Anselm College

Saint anselm is a catholic, benedictine college providing all of its students a distinctive liberal arts education that incorporates opportunities for professional and career preparation. it does so in a learning community that encourages…

Education
12
Umass Memorial Health Care Inc (Parent)

Umass memorial health care, inc. is committed to improving the health of the people of central new england through excellence in clinical care, services, teaching, and research.

Health
How this is measured
The grantee most central to the portfolio’s shape is Make-a-Wish of New Hampshire Inc; the most unlike its peers is Communitycare of Lyme. 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

16 grantees tracked through their own filings, 2017–2026.

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 2026, not grant rows in a single year, so this will not match the grant count on the cover. 16 of the 32 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)
5
Early backer (in before they grew)
16/16
Grantees still filing
9/16
Grew since first funded

Where the money sits, by cause and then by grantee

MIDWESTERN UNIVERSITY CHICAGO COLLEGE OF OSTEOPATHIC MEDICINE: $100,000 · OtherMIDWESTERN UNIVERSITY CHICAGO COLLEGE OF OSTEOPATHIC MEDICINEFRACTURED ATLAS OAK HILL MUSIC FESTIVAL: $70,000 · OtherFRACTURED ATLAS OAK HILL MUSIC FESTIVALGIVE KIDS THE WORLD INC: $60,000 · OtherGIVE KIDS THE WORLD INCINTERMOUNTAIN FOUNDATION: $50,000 · OtherINTERMOUNTAIN FOUNDATIONELLIS ISLAND HONORS SOCIETY INC: $35,000 · OtherELLIS ISLAND HONORS SOCIETY INCMAX PLANCK INSTITUTE FOR NEUROSCIENCE: $35,000 · OtherMAX PLANCK INSTITUTE FOR NEUROSCIENCEFIRST: $30,000 · OtherFIRSTCamereta New England: $20,000 · Other+15 more: $93,798 · Other+15 moreHUALALAI OHANA FOUNDATION: $173,200 · EducationHUALALAI OHANA FOUNDATIONTRUSTEES OF DEERFIELD ACADEMY: $10,000 · EducationBRADLEY UNIVERSITY: $10,000 · Education+1 more: $5,000 · EducationCOMMUNITYCARE OF LYME: $41,500 · Community ImprovementFor Inspiration and Recognition of Science and Technology (FIRST): $40,000 · Science & TechFRIENDS OF THE ISRAEL DEFENSE FORCES: $25,000 · InternationalMAKE-A-WISH OF NEW HAMPSHIRE INC: $20,000 · Arts & CultureGreenwood Music Camp Inc: $10,000 · Recreation & Sports
Other$493,798Education$198,200Community Improvement$41,500Science & Tech$40,000International$25,000Arts & Culture$20,000Recreation & Sports$10,000

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 budgetHUALALAI OHANA FOUNDATION: $173,200 over 5y, 1.7% of budgetGIVE KIDS THE WORLD INC: $60,000 over 3y, 0.0% of budgetCOMMUNITYCARE OF LYME: $41,500 over 3y, 12% of budgetFor Inspiration and Recognition of Science and Technology (FIRST): $40,000 over 3y, 0.0% of budgetELLIS ISLAND HONORS SOCIETY INC: $35,000 over 3y, 1.1% of budgetFRIENDS OF THE ISRAEL DEFENSE FORCES: $25,000 over 1y, 0.0% of budgetCamereta New England: $20,000 over 1y, 19% of budgetGreenwood Music Camp Inc: $10,000 over 1y, 1.1% of budgetTRUSTEES OF DEERFIELD ACADEMY: $10,000 over 1y, 0.0% of budgetBRADLEY UNIVERSITY: $10,000 over 1y, 0.0% of budgetGUIDE DOGS FOR THE BLIND INC: $2,000 over 1y, 0.0% of budgetHANOVER CONSERVANCY: $1,000 over 1y, 0.2% of budgetNOURISHING HOPE: $1,000 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.

  • Who funds HUALALAI OHANA FOUNDATION ↗
  • Who funds GIVE KIDS THE WORLD INC ↗
  • Who funds COMMUNITYCARE OF LYME ↗
  • Who funds For Inspiration and Recognition of Science and Technology (FIRST) ↗
  • Who funds ELLIS ISLAND HONORS SOCIETY INC ↗
  • Who funds FRIENDS OF THE ISRAEL DEFENSE FORCES ↗
  • Who funds MAKE-A-WISH OF NEW HAMPSHIRE INC ↗
  • Who funds Camereta New England ↗
  • Who funds Greenwood Music Camp Inc ↗
  • Who funds TRUSTEES OF DEERFIELD ACADEMY ↗
  • Who funds BRADLEY UNIVERSITY ↗
  • Who funds STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION ↗
  • Who funds Dartmouth-Hitchcock Health ↗
  • Who funds GUIDE DOGS FOR THE BLIND INC ↗
  • Who funds HANOVER CONSERVANCY ↗
  • Who funds NOURISHING HOPE ↗

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.

Vanguard Charitable Endowment ProgramPA10.2× affinity5 shared granteesties to 3 of 3Hover any node to trace its alignments.Compare side by side →

Open a dossier: Vanguard Charitable Endowment Program · 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.

How much its grantees rely on government

Each dot is one organization Jim and Mimi Weinstein Foundation funds: left to right is the share of its income from government, bottom to top the share from Jim and Mimi Weinstein Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 30%1%5%11%20%funder's share of their income ↑0%3%5%8%10%share of the org’s income from government →
    no gov moneyreceives it· size = income
    3get 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 · 0–10%
    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 Jim and Mimi Weinstein Foundation?

    Find your warmest path to Jim and Mimi Weinstein Foundation 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 32 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 2026, released 2026. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

    Source object · view filing

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