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Connecticut · Private foundation

R T Vanderbilt Trust Agy Main

Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$531k
Granted FY2024(still arriving)
50
Grants FY2024
43
Organizations funded FY2023
12%
First-time grantees FY2023
Read the full brief
Median grant, FY2024
$4,000
Largest grant, FY2024
$111,500
Organizations funded a year
39 to 53
FY2017 to FY2023
States reached, FY2024
14
Total assets, FY2024
$7.0M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2023, 12% of the organizations R T Vanderbilt Trust Agy Main funded were first-time grantees, receiving 3% of its grant dollars.

New vs renewed · share of each year

In FY2023, 97% of grant dollars renewed an existing relationship; $9k went to new ones.

50%100%’19’21’22’23
RenewedFirst-time

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

’19’21’22’23
Arts & CultureAnimalsEducationEnvironmentFood & NutritionHuman 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
FY2024still arriving48$484k15%
FY202343$345k12%
FY202241$331k12%
FY202139$451k13%
FY201952$462k13%
FY201753$464kn/a
94% classified

What it funded, over time

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

Environment$667kArts & Culture$522kEducation$477kHealth$419kAnimals$159kYouth Development$122kReligion$108kHuman Services$49kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

ME
MN
NY
SD
IN
OH
CT
CA
CO
KY
VA
DE
AZ
NC
SC
DC
FL

Top grantees

Largest recipients by total granted, FY2017 to FY2024, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
Greenwich Historical Society Inc$357,00063%
Greenwich Country Day School Inc$264,25060%
Planned Parenthood Federation of America Inc$248,10060%
Music for Youth Inc$122,000657%
American Friends of Wigmore Hall Inc$105,266560%
Galapagos Conservancy Inc$102,00060%
Eagle Hill Foundation Inc$100,00020%
Greenwich Hospital$35,25060%
Heritage of West Nyack Ltd$33,0006n/a
Rollins College$25,00060%
Show all 59 grantees
All grantees of R T Vanderbilt Trust Agy Main by total granted
GranteeTotal grantedYearsShare of their budget
Greenwich Historical Society Inc$357,00063%
Greenwich Country Day School Inc$264,25060%
Planned Parenthood Federation of America Inc$248,10060%
Music for Youth Inc$122,000657%
American Friends of Wigmore Hall Inc$105,266560%
Galapagos Conservancy Inc$102,00060%
Eagle Hill Foundation Inc$100,00020%
Greenwich Hospital$35,25060%
Heritage of West Nyack Ltd$33,0006n/a
Rollins College$25,00060%
Camping and Education Foundation$25,00060%
American National Red Cross & Its Constituent Chapters and Branches$22,74020%
Catholic Charities Maine$20,00060%
Connecticut Cancer Foundation Inc$17,80030%
Wildlife Conservation Society$12,50060%
Sky's the Limit Fund$12,00040%
Chatham Rock Island Inc$11,50024%
Stephen Siller Tunnel to Towers Foundation$11,00040%
Hospice of Southern Maine$11,00060%
The Ridgefield Playhouse for Movies and the Performing Arts Inc$10,50040%
YWCA Greenwich Connecticut Inc$10,00010%
Middle Patent Rural Cemetery Association Inc$9,50063%
St Luke's Foundation Inc$8,50060%
Silver Shield Association Education Fund Inc$7,50053%
Greenwich Academy Inc$7,00040%
University of Denver$5,50040%
Newtown Historical Society Inc$5,00055%
Murray Calloway Need Line Association Inc$5,00061%
Christines Critters Inc$5,00052%
Animal Cancer Foundation$5,00012%
Brunswick School Inc$5,00050%
Amogerone Volunteer Fire Co #1 Inc$5,00065%
American Wild Horse Preservation Campaign$5,00010%
Ridgefield Library Association Inc$4,50020%
Animal Refuge League of Greater Portland$4,00010%
Treetops Chamber Music Society Inc$4,00027%
BACKCOUNTRY CONCERTS INC dba BACKCOUNTRY JAZZ$4,00031%
The American University of Paris$4,0002n/a
St Josephs Indian School$3,7506n/a
Bethel Volunteer Fire Dept Inc$3,70060%
Soup for the Soul Org Inc$2,50041%
Mission Pre-Born Inc$2,00010%
Arizona-Sonora Desert Museum$2,00020%
Challenge Aspen$2,00020%
Wildlife in Crisis Inc$2,0002n/a
Adaptive Sports Foundation Inc$1,50020%
Hyde Hall Inc$1,50020%
Meals on Wheels of Ridgefield Inc$1,50020%
Wolf Conservation Center Inc$1,25020%
Family Centers Inc$1,00020%
Ridgefield Operation for Animal Rescue Inc$1,00010%
Women Aware Inc$1,00010%
Connecticut Humane Society$1,00010%
Candlewood Fishing Camp Inc$1,00020%
Humane Society of Calloway County$1,00011%
Abilis Inc$50010%
Angels Community Clinic Inc$50011%
Silver Shield Association Inc$50010%
The Scotty Fund Inc Linda Anderson$35010%

What it could do for these grantees

Plus 23 recipients with no EIN on record ($858k), not named here.

Where it is load-bearing

R T Vanderbilt Trust Agy Main supplied at least a quarter of the budget for 2 of its grantees at some point. The chart plots its 55 largest grantees; load-bearing ones sit top left.

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetGreenwich Historical Society Inc: $357,000 over 6y, 3.3% of budgetGreenwich Country Day School Inc: $264,250 over 6y, 0.1% of budgetPlanned Parenthood Federation of America Inc: $248,100 over 6y, 0.0% of budgetMusic for Youth Inc: $122,000 over 6y, 57% of budgetAmerican Friends of Wigmore Hall Inc: $105,266 over 5y, 60% of budgetGalapagos Conservancy Inc: $102,000 over 6y, 0.4% of budgetEagle Hill Foundation Inc: $100,000 over 2y, 0.3% of budgetGreenwich Hospital: $35,250 over 6y, 0.0% of budgetRollins College: $25,000 over 6y, 0.0% of budgetCamping and Education Foundation: $25,000 over 6y, 0.1% of budgetAmerican National Red Cross & Its Constituent Chapters and Branches: $22,740 over 2y, 0.0% of budgetCatholic Charities Maine: $20,000 over 6y, 0.0% of budgetConnecticut Cancer Foundation Inc: $17,800 over 3y, 0.4% of budgetWildlife Conservation Society: $12,500 over 6y, 0.0% of budgetSky's the Limit Fund: $12,000 over 4y, 0.4% of budgetChatham Rock Island Inc: $11,500 over 2y, 4.1% of budgetStephen Siller Tunnel to Towers Foundation: $11,000 over 4y, 0.0% of budgetHospice of Southern Maine: $11,000 over 6y, 0.0% of budgetThe Ridgefield Playhouse for Movies and the Performing Arts Inc: $10,500 over 4y, 0.0% of budgetYWCA Greenwich Connecticut Inc: $10,000 over 1y, 0.1% of budgetMiddle Patent Rural Cemetery Association Inc: $9,500 over 6y, 3.3% of budgetSt Luke's Foundation Inc: $8,500 over 6y, 0.0% of budgetSilver Shield Association Education Fund Inc: $7,500 over 5y, 2.6% of budgetGreenwich Academy Inc: $7,000 over 4y, 0.0% of budgetUniversity of Denver: $5,500 over 4y, 0.0% of budgetNewtown Historical Society Inc: $5,000 over 5y, 5.0% of budgetMurray Calloway Need Line Association Inc: $5,000 over 6y, 0.5% of budgetChristines Critters Inc: $5,000 over 5y, 2.2% of budgetAnimal Cancer Foundation: $5,000 over 1y, 1.7% of budgetBrunswick School Inc: $5,000 over 5y, 0.0% of budgetAmogerone Volunteer Fire Co #1 Inc: $5,000 over 6y, 4.6% of budgetAmerican Wild Horse Preservation Campaign: $5,000 over 1y, 0.1% of budgetRidgefield Library Association Inc: $4,500 over 2y, 0.1% of budgetAnimal Refuge League of Greater Portland: $4,000 over 1y, 0.1% of budgetTreetops Chamber Music Society Inc: $4,000 over 2y, 7.5% of budgetBACKCOUNTRY CONCERTS INC dba BACKCOUNTRY JAZZ: $4,000 over 3y, 0.7% of budgetBethel Volunteer Fire Dept Inc: $3,700 over 6y, 0.1% of budgetSoup for the Soul Org Inc: $2,500 over 4y, 0.5% of budgetMission Pre-Born Inc: $2,000 over 1y, 0.0% of budgetArizona-Sonora Desert Museum: $2,000 over 2y, 0.0% of budgetChallenge Aspen: $2,000 over 2y, 0.0% of budgetAdaptive Sports Foundation Inc: $1,500 over 2y, 0.0% of budgetHyde Hall Inc: $1,500 over 2y, 0.1% of budgetMeals on Wheels of Ridgefield Inc: $1,500 over 2y, 0.1% of budgetWolf Conservation Center Inc: $1,250 over 2y, 0.0% of budgetFamily Centers Inc: $1,000 over 2y, 0.0% of budgetRidgefield Operation for Animal Rescue Inc: $1,000 over 1y, 0.2% of budgetWomen Aware Inc: $1,000 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 55.

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.

The Ayco Charitable FoundationNY18.4× affinity11 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Ayco Charitable Foundation · Fairfield County's Community Foundation Inc · Synchrony Foundation · Connecticut Humanities Council Inc · Ge Aerospace Foundation · Ridgefield Thrift Shop Inc · Alexander Family Foundation Inc · Gs Donor Advised Philanthropy Fund for Wealth Management Inc · National Philanthropic Trust · Jewish Communal Fund · Amica Companies Foundation · The Bessemer Giving 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.

Compare R T Vanderbilt Trust Agy Main with peer funders

About R T Vanderbilt Trust Agy Main

How much does R T Vanderbilt Trust Agy Main give?
R T Vanderbilt Trust Agy Main reported 50 grants totaling $531,146 in its FY2024 IRS filing. It funded between 39 and 53 organizations a year over FY2017 to FY2023.
What does R T Vanderbilt Trust Agy Main fund?
By grant dollars over FY2017 to FY2024, its largest causes are Environment (21%), Arts & Culture (17%), Education (15%).
Who are R T Vanderbilt Trust Agy Main's largest grantees?
By total granted over FY2017 to FY2024: Greenwich Historical Society Inc ($357k), Greenwich Country Day School Inc ($264k), Planned Parenthood Federation of America Inc ($248k).
Does R T Vanderbilt Trust Agy Main fund new organizations?
In FY2023, 12% of the organizations it funded were first-time grantees.
Does R T Vanderbilt Trust Agy Main 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 R T Vanderbilt Trust Agy Main?
Its strongest co-funders, measured against what their size predicts, include The Ayco Charitable Foundation, Fairfield County's Community Foundation Inc, Synchrony Foundation.
Where is R T Vanderbilt Trust Agy Main based?
R T Vanderbilt Trust Agy Main 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 84 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 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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