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Connecticut · Private foundation

Robert Rosenheim Foundation Inc Rosenheim

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.

$1.7M
Granted FY2025(still arriving)
18
Grants FY2025
11
Organizations funded FY2024
9%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$15,100
Largest grant, FY2025
$500,000
Organizations funded a year
11 to 15
FY2018 to FY2024
States reached, FY2025
2
Total assets, FY2025
$35M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 9% of the organizations Robert Rosenheim Foundation Inc Rosenheim funded were first-time grantees, receiving 0% of its grant dollars.

New vs renewed · share of each year

In FY2024, 100% of grant dollars renewed an existing relationship; $10k 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
HealthEducationRecreation & SportsPhilanthropyArts & CulturePublic Safety & DisasterOther
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 arriving18$1.7M39%
FY202411$3.2M9%
FY202313$1.6M31%
FY202215$2.2M40%
FY202114$1.7M36%
FY202012$1.7M42%
FY201914$1.6M50%
FY201812$1.7M75%
99% classified

What it funded, over time

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

Health$8.3MAnimals$2.2MEnvironment$800kRecreation & Sports$642kHuman Services$580kEducation$420kYouth Development$350kPhilanthropy$302kOther$0

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
Connecticut Children's Medical Center$2,785,00050%
Little Guild of St Francis$2,507,500521%
The Charlotte Hungerford Hospital$1,180,91240%
Outside Perspectives Inc$575,220443%
The Arc of Litchfield County Inc$550,00052%
Hartford Hospital$346,48810%
St Pauls High School Bristol Inc$250,0001n/a
Catherine Violet Hubbard Foundation Inc$200,000117%
Sharon Fire Department Inc$160,000212%
KidsPlay Childrens Museum Inc$110,000115%
Show all 34 grantees
All grantees of Robert Rosenheim Foundation Inc Rosenheim by total granted
GranteeTotal grantedYearsShare of their budget
Connecticut Children's Medical Center$2,785,00050%
Little Guild of St Francis$2,507,500521%
The Charlotte Hungerford Hospital$1,180,91240%
Outside Perspectives Inc$575,220443%
The Arc of Litchfield County Inc$550,00052%
Hartford Hospital$346,48810%
St Pauls High School Bristol Inc$250,0001n/a
Catherine Violet Hubbard Foundation Inc$200,000117%
Sharon Fire Department Inc$160,000212%
KidsPlay Childrens Museum Inc$110,000115%
Hole in the Wall Gang Fund Inc$100,00010%
Carolyns Place Inc$100,000127%
Maria Seymour Brooker Memorial$77,00022%
Chapel Haven Schleifer Center Inc$38,00080%
William L Gilbert School Corp$29,50040%
Friends of Troop 3 Incorporated$25,0001n/a
Bristol Adult Resource Center Inc$22,00030%
Housatonic Youth Service Bureau Inc$10,00013%
The Canaan Foundation Inc$10,000148%
Burlington Youth Lacrosse Associati$10,0001n/a
Sharon Day Care Center Inc$10,00014%
Farmington Valley Mudhogs Inc$7,5002n/a
Best Friends Animal Society$7,50010%
Miller Farms Cares Inc$6,0002n/a
Hill-Stead Museum$5,00010%
Project Sage Inc$5,00011%
For the Love of Jack Inc$5,0001n/a
Compassionate Care ALS Inc$5,0001n/a
National Down Syndrome Society$5,0001n/a
Bristol Ct Little League Inc$5,00015%
Productions for Change$5,0001n/a
Connecticut Cancer Foundation Inc$5,00010%
Friends of Canton Football Inc$2,50016%
Babies Heart Run Inc$1,0001n/a

What it could do for these grantees

Plus 21 recipients with no EIN on record ($6.4M), not named here.

Where it is load-bearing

Robert Rosenheim Foundation Inc Rosenheim supplied at least a quarter of the budget for 3 of its grantees at some point. The chart plots its 24 largest grantees; load-bearing ones sit top left.

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetConnecticut Children's Medical Center: $2,785,000 over 5y, 0.2% of budgetLittle Guild of St Francis: $2,507,500 over 5y, 21% of budgetThe Charlotte Hungerford Hospital: $1,180,912 over 4y, 0.2% of budgetOutside Perspectives Inc: $575,220 over 4y, 43% of budgetThe Arc of Litchfield County Inc: $550,000 over 5y, 2.4% of budgetHartford Hospital: $346,488 over 1y, 0.0% of budgetCatherine Violet Hubbard Foundation Inc: $200,000 over 1y, 17% of budgetSharon Fire Department Inc: $160,000 over 2y, 12% of budgetKidsPlay Childrens Museum Inc: $110,000 over 1y, 15% of budgetHole in the Wall Gang Fund Inc: $100,000 over 1y, 0.5% of budgetCarolyns Place Inc: $100,000 over 1y, 27% of budgetMaria Seymour Brooker Memorial: $77,000 over 2y, 1.6% of budgetChapel Haven Schleifer Center Inc: $38,000 over 8y, 0.1% of budgetWilliam L Gilbert School Corp: $29,500 over 4y, 0.1% of budgetBristol Adult Resource Center Inc: $22,000 over 3y, 0.1% of budgetHousatonic Youth Service Bureau Inc: $10,000 over 1y, 3.1% of budgetThe Canaan Foundation Inc: $10,000 over 1y, 48% of budgetSharon Day Care Center Inc: $10,000 over 1y, 4.0% of budgetBest Friends Animal Society: $7,500 over 1y, 0.0% of budgetHill-Stead Museum: $5,000 over 1y, 0.3% of budgetProject Sage Inc: $5,000 over 1y, 0.7% of budgetBristol Ct Little League Inc: $5,000 over 1y, 5.0% of budgetConnecticut Cancer Foundation Inc: $5,000 over 1y, 0.3% of budgetFriends of Canton Football Inc: $2,500 over 1y, 5.9% 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 24.

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 IncCT24× affinity9 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Northwest Connecticut Community Foundation Inc · Thomaston Savings Bank Foundation Inc · Northwest Community Bank Foundation Inc · Union Savings Bank Foundation Inc · American Savings Foundation Inc · The Connecticut Community Foundation · Berkshire Taconic Community Foundation Inc · Walter and Phyllis Ann Borten Foundation · Findlay Family Foundation · Main Street Community Foundation Inc · Chelsea Groton Foundation · Eversource Energy Foundation 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 Robert Rosenheim Foundation Inc Rosenheim with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to Robert Rosenheim Foundation Inc Rosenheim?

Find your warmest path to Robert Rosenheim Foundation Inc Rosenheim 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 Robert Rosenheim Foundation Inc Rosenheim

How much does Robert Rosenheim Foundation Inc Rosenheim give?
Robert Rosenheim Foundation Inc Rosenheim reported 18 grants totaling $1,683,088 in its FY2025 IRS filing. It funded between 11 and 15 organizations a year over FY2018 to FY2024.
What does Robert Rosenheim Foundation Inc Rosenheim fund?
By grant dollars over FY2017 to FY2025, its largest causes are Health (59%), Animals (16%), Environment (6%).
Who are Robert Rosenheim Foundation Inc Rosenheim's largest grantees?
By total granted over FY2017 to FY2025: Connecticut Children's Medical Center ($2.8M), Little Guild of St Francis ($2.5M), The Charlotte Hungerford Hospital ($1.2M).
Does Robert Rosenheim Foundation Inc Rosenheim fund new organizations?
In FY2024, 9% of the organizations it funded were first-time grantees.
Does Robert Rosenheim Foundation Inc Rosenheim 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 Robert Rosenheim Foundation Inc Rosenheim?
Its strongest co-funders, measured against what their size predicts, include Northwest Connecticut Community Foundation Inc, Thomaston Savings Bank Foundation Inc, Northwest Community Bank Foundation Inc.
Where is Robert Rosenheim Foundation Inc Rosenheim based?
Robert Rosenheim Foundation Inc Rosenheim is based in CT.

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 57 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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