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Florida · Private foundation

Martin & Rhea E Reiss Fam Char

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.

$4k
Granted FY2025(still arriving)
2
Grants FY2025
3
Organizations funded FY2024
33%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$2,000
Largest grant, FY2025
$2,000
Organizations funded a year
3 to 19
FY2018 to FY2024
States reached, FY2025
1
Total assets, FY2025
$65k
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 33% of the organizations Martin & Rhea E Reiss Fam Char funded were first-time grantees, receiving 57% of its grant dollars.

New vs renewed · share of each year

In FY2024, 43% of grant dollars renewed an existing relationship; $5k 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
HealthArts & CultureAnimalsHuman ServicesEnvironmentOther
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 arriving2$4k100%
FY20243$9k33%
FY20233$5k33%
FY20224$11k0%
FY20217$34k0%
FY202019$48k53%
FY201917$39k47%
FY201812$27k33%
97% classified

What it funded, over time

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

Education$81kHealth$44kHuman Services$31kReligion$29kArts & Culture$17kHousing & Shelter$10kScience & Tech$3kFood & Nutrition$3kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

NY
MA
CT
RI
CA
VA
MD
FL

Top grantees

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

GranteeTotal grantedYearsShare of their budget
Worcester Polytechnic Institute$80,00050%
Jewish Family & Children's Service Inc$30,00060%
Museum of Fine Arts$12,00040%
Pine Street Inn Inc$10,00050%
Dana-Farber Cancer Institute Inc$8,50050%
Greater Boston Food Bank Inc$3,00030%
Raymond F Kravis Center for the Performing Arts Inc$2,00020%
Isabella Stewart Gardner Museum Inc$2,00010%
Temple Shalom Inc$1,8901n/a
Fork Union Military Academy$1,0001n/a
Show all 22 grantees

Plus 14 recipients with no EIN on record ($65k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget Martin & Rhea E Reiss Fam Char supplied at peak.

25%50%75%100%$10M$100Mgrantee revenue →↑ funder's share of their budgetWorcester Polytechnic Institute: $80,000 over 5y, 0.0% of budgetJewish Family & Children's Service Inc: $30,000 over 6y, 0.0% of budgetMuseum of Fine Arts: $12,000 over 4y, 0.0% of budgetPine Street Inn Inc: $10,000 over 5y, 0.0% of budgetDana-Farber Cancer Institute Inc: $8,500 over 5y, 0.0% of budgetGreater Boston Food Bank Inc: $3,000 over 3y, 0.0% of budgetRaymond F Kravis Center for the Performing Arts Inc: $2,000 over 2y, 0.0% of budgetIsabella Stewart Gardner Museum Inc: $2,000 over 1y, 0.0% of budgetNew Art Center in Newton Inc (Fka) Newton Arts Center Inc: $1,000 over 1y, 0.1% of budgetSt Francis Neighborhood Center: $600 over 1y, 0.0% of budgetPancreatic Cancer Action Network Inc: $525 over 2y, 0.0% of budgetBuddy Dog Humane Society Inc: $500 over 1y, 0.1% of budgetEvery Mother Counts: $500 over 1y, 0.0% of budgetRestore NYC Inc: $500 over 1y, 0.0% of budgetNatural Resources Defense Council Inc: $500 over 1y, 0.0% of budgetThe Maryland Spca Inc: $500 over 1y, 0.0% of budgetPartnerships For Change: $500 over 1y, 0.1% of budgetAmerican Cancer Society Inc: $100 over 1y, 0.0% of budgetBreakthrough T1d: $100 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 19.

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 TrustPA10.1× affinity5 shared granteesties to 8 of 8Hover any node to trace its alignments.Compare side by side →

Open a dossier: National Philanthropic Trust · American Endowment Foundation · Network for Good · The Bank of America Charitable Foundation Inc · Vanguard Charitable Endowment Program · 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 Martin & Rhea E Reiss Fam Char with peer funders

About Martin & Rhea E Reiss Fam Char

How much does Martin & Rhea E Reiss Fam Char give?
Martin & Rhea E Reiss Fam Char reported 2 grants totaling $3,890 in its FY2025 IRS filing. It funded between 3 and 19 organizations a year over FY2018 to FY2024.
What does Martin & Rhea E Reiss Fam Char fund?
By grant dollars over FY2017 to FY2025, its largest causes are Education (37%), Health (20%), Human Services (14%).
Who are Martin & Rhea E Reiss Fam Char's largest grantees?
By total granted over FY2017 to FY2025: Worcester Polytechnic Institute ($80k), Jewish Family & Children's Service Inc ($30k), Museum of Fine Arts ($12k).
Does Martin & Rhea E Reiss Fam Char fund new organizations?
In FY2024, 33% of the organizations it funded were first-time grantees.
Does Martin & Rhea E Reiss Fam Char 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 Martin & Rhea E Reiss Fam Char?
Its strongest co-funders, measured against what their size predicts, include National Philanthropic Trust, American Endowment Foundation, Network for Good.
Where is Martin & Rhea E Reiss Fam Char based?
Martin & Rhea E Reiss Fam Char is based in FL.

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 37 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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