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· Private foundation

Robert Charles Guidry Sr Charitable Trst

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.

$73k
Granted FY2025still arriving
36
Grants FY2025still arriving
11
States reached
$25k
Largest
01What it funds
0199% classified

What it funded, over time

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

Philanthropy$150kHealth$79kEducation$75kReligion$55kArts & Culture$43kEnvironment$41kHuman Services$20kPublic Benefit$8kOther$0
02FY2025 · 36 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k35 grants · $48k
  • $10k–50k1 grant · $25k
$1,000
Median grant
11
States reached
$1.4M
Total assets
Largest grants
RecipientAmount
UL FOUNDATION$25,000
ST JUDE CHILDREN RESEARCH HOSPITAL$6,000
ST LANDRY CATHOLIC CHURCH$5,000
DUCKS UNLIMINTED$3,270
SHRINERS HOSPITAL FOR CHILDREN$3,000
ST MARY MAGDALEN CHURCH$3,000
OCHSNER FOUNDATION$3,000
VERMILION CATHOLIC SCHOOL$2,000
FAMILY MISSIONS COMPANY$2,000
Individual grant recipient$2,000
TUNNEL TO TOWERS FOUNDATION$2,000
SKY HIGH FOR KIDS$2,000
CHRISTIAN SERVICE CENTER$2,000
Individual grant recipient$1,000
ST PETER'S CAPITAL CAMPAIGN$1,000
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 (FY17–23, $3k) land where the poverty rate runs at 19%, against an area that typically sits at 11%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%BOYS TOWN: $100 → 12%THENSTED CENTER: $500 → 28%THE LIFE OF A SINGLE MOM: $500 → 19%DESORMEAUX FOUNDATION: $500 → 17%THE DES ORMEAUX FOUNDATION: $500 → 17%DESORMEAUX FOUNDATION INC: $500 → 17%THE DES ORMEAUX FOUNDATION: $250 → 17%THE DES ORMEAUX FOUNDATION: $250 → 17%THE DES ORMEAUX FOUNDATION: $250 → 17%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
MT
IL
MI
NY
MA
SD
CA
CO
NE
WV
VA
MD
TN
DC
LA
MS
GA
TX
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.

90%of every dollar goes to organizations it has funded before.
$450k · 51 repeat orgs$48k to everyone else

Grantees it renews have grown median revenue +63% since the first grant, against 0% for those funded once.

51 repeat relationships: 28 still active in FY2025, 23 since wound down; 8 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

51
42

Total granted

$450k
$41k

Median revenue growth · since first grant

+63%
0%

Still filing today

27%
31%

New vs renewed · share of each year

In FY2025, 91% of grant dollars renewed an existing relationship; $7k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’17’18’19’20’21’22’23’24’25
HealthHuman ServicesPublic BenefitEnvironmentReligionEducationOther
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

  • DU
    Ducks Unlimited Inc
    9× · 2017–2025 · $41k · revenue +99%
  • SH
    SKY HIGH FOR KIDS INC
    6× · 2017–2025 · $14k · revenue +160%
  • ST JUDE CHILDREN'S RESEARCH HOSPITAL INC
    2× · 2024–2025 · $12k · revenue +10%

Funded once

  • VH
    VERMILION HISTORICAL SOCIETY
    one grant, 2024 · $10k
  • IG
    Individual grant recipient
    one grant, 2023 · $6k
  • LW
    LOUISIANA WILDLIFE & FISH FOUNDATIO
    one grant, 2019 · $3k
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
Federation of State Medical Boards of the United States Inc

The fsmb serves as the voice for state medical boards, supporting them through education, assessment, research and advocacy while providing services and initiatives that promote patient safety, quality health care and regulatory best…

Health
2
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.

—
3
Lafayette General Foundation Inc

The lafayette general foundation was created to support lafayette general health (lgh), acadiana's only community-owned, nonprofit health system. we exist to help fulfill lgh's mission, to restore, maintain, and improve health. our role is…

Health
4
St Charles Hospital Foundation

We, at ch, humbly join together to bring christ's healing mission and the mission of mercy of the catholic church expressed in catholic health care to our communities.

—
5
St Joseph's Hospital of Tampa Foundation Inc

St. joseph's hospitals foundation secures, manages and stewards philanthropic support to benefit the health care mission of st. joseph's hospital, st. joseph's women's hospital, st. joseph's children's hospital of tampa, st. joseph's…

Health
6
Asco Association

Asco association promotes the common business interests of its members by: (1) advocating for policies that improve the quality of cancer care; (2) maintaining the highest standards of oncology medical care through programs supporting…

Community Improvement
7
Arkansas Children's Foundation

We champion children by making them better today and healthier tomorrow.continued on schedule o.arkansas children's will fundamentally transform healthcare delivery for the children of arkansas and beyond. arkansas children's core values…

Health
8
Internet Society Foundation

At the internet society foundation, we focus on funding initiatives that strengthen the internet in function and reach so that it can effectively serve all people. our work advances the vision of the internet society (isoc): the internet…

International
9
American Society of Clinical Oncology Inc

See schedule o:asco is a professional oncology society committed to conquering cancer through research, education, and promotion of the highest quality patient care.

Health
10
The Methodist Hospital Foundation

Mission: this organization is part of the methodist hospital, doing business as houston methodist hospital, whose mission is: to provide high quality, cost-effective health care that delivers the best value to the people we serve in a…

Health
11
St Martin Hospital Inc

To improve, maintain and restore the health of the people in the communities we serve.

Health
12
Ochsner Health System

We serve, heal, lead, educate and innovate. ochsner will be a global medical and academic leader who will save and change lives. we will shape the future of healthcare through our integrated health system, fueled by the passion and…

—
How this is measured
The grantee most central to the portfolio’s shape is The Heritage Foundation; the most unlike its peers is Father Flanagan's Boys' Home. 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

31 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. 31 of the 102 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)
4
Early backer (in before they grew)
29/31
Grantees still filing
19/31
Grew since first funded

Where the money sits, by cause and then by grantee

UL LAFAYETTE FOUNDATION: $112,000 · OtherUL LAFAYETTE FOUNDATIONUL FOUNDATION: $50,000 · OtherUL FOUNDATIONOCHSNER FOUNDATION: $41,500 · OtherOCHSNER FOUNDATIONST MARY MAGDALEN CHURCH: $19,000 · OtherST JUDE: $15,000 · Other+79 more: $162,725 · Other+79 moreDucks Unlimited Inc: $40,767 · Environment+1 more: $1,000 · EnvironmentCOMMUNITY FOUNDATION OF NORTH LOUISIANA: $35,500 · Philanthropy+1 more: $1,000 · PhilanthropySKY HIGH FOR KIDS INC: $14,000 · HealthST JUDE CHILDREN'S RESEARCH HOSPITAL INC: $12,000 · HealthMacular Degeneration Association: $2,000 · HealthSHRINERS HOSPITALS FOR CHILDREN: $2,000 · Health+3 more: $1,950 · HealthFAMILY MISSIONS COMPANY: $10,000 · ReligionMISSION OF HOPE INC MISSION OF HOPE HAITI INC: $500 · ReligionSTEPHEN SILLER TUNNEL TO TOWERS FOUNDATION: $6,250 · EducationTHE BLUE ROSE FOUNDATION INC: $500 · EducationJUDICIAL WATCH INC: $2,450 · Public BenefitTHE HERITAGE FOUNDATION: $2,200 · Public BenefitDISABLED VETERANS NATIONAL FOUNDATION: $1,500 · Public Benefit
Other$400,225Environment$41,767Philanthropy$36,500Health$31,950Religion$10,500Education$6,750Public Benefit$6,150

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

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetDucks Unlimited Inc: $40,767 over 9y, 0.0% of budgetCOMMUNITY FOUNDATION OF NORTH LOUISIANA: $35,500 over 7y, 0.1% of budgetSKY HIGH FOR KIDS INC: $14,000 over 6y, 0.1% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC: $12,000 over 2y, 0.0% of budgetFAMILY MISSIONS COMPANY: $10,000 over 9y, 0.1% of budgetSTEPHEN SILLER TUNNEL TO TOWERS FOUNDATION: $6,250 over 6y, 0.0% of budgetJUDICIAL WATCH INC: $2,450 over 9y, 0.0% of budgetDesormeaux Foundation Inc: $2,250 over 6y, 0.1% of budgetTHE HERITAGE FOUNDATION: $2,200 over 7y, 0.0% of budgetMacular Degeneration Association: $2,000 over 5y, 0.0% of budgetSHRINERS HOSPITALS FOR CHILDREN: $2,000 over 1y, 0.0% of budgetLOUISIANA BAR FOUNDATION: $1,750 over 4y, 0.0% of budgetDISABLED VETERANS NATIONAL FOUNDATION: $1,500 over 3y, 0.0% of budgetALZHEIMER'S DISEASE & RELATED DISORDERS ASSOCIATION INC: $1,000 over 1y, 0.0% of budgetMARINE TOYS FOR TOTS FOUNDATION: $1,000 over 5y, 0.0% of budgetLafayette Central Park Inc: $1,000 over 1y, 0.1% of budgetWILLIAMS SCHOLAR ACADEMY INC: $1,000 over 1y, 0.1% of budgetFRIENDS OF PALMETTO ISLAND STATE PARK INC: $1,000 over 3y, 2.2% of budgetNATIONAL RIFLE ASSOCIATION OF AMERICA: $750 over 2y, 0.0% of budgetTHE SHRINERS' HOSPITAL FOR CHILDREN: $700 over 2y, 0.0% of budgetLOUISIANA MILITARY MUSEUM: $500 over 1y, 1.3% of budgetTHE BLUE ROSE FOUNDATION INC: $500 over 1y, 0.6% of budgetTHE LIFE OF A SINGLE MOM: $500 over 1y, 0.1% of budgetMISSION OF HOPE INC MISSION OF HOPE HAITI INC: $500 over 1y, 0.0% of budgetTHENSTED CENTER: $500 over 1y, 0.2% of budgetAMERICAN CANCER SOCIETY INC: $250 over 1y, 0.0% of budgetSECOND HARVEST FOOD BANK GREATER NEW ORLEANS AND ACADIANA: $150 over 1y, 0.0% of budgetACADIANA CENTER FOR THE ARTS INC: $100 over 1y, 0.0% of budgetFather Flanagan's Boys' Home: $100 over 1y, 0.0% of budgetNATIONAL FIRE SAFETY COUNCIL INC: $90 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 Ducks Unlimited Inc ↗
  • Who funds COMMUNITY FOUNDATION OF NORTH LOUISIANA ↗
  • Who funds SKY HIGH FOR KIDS INC ↗
  • Who funds ST JUDE CHILDREN'S RESEARCH HOSPITAL INC ↗
  • Who funds FAMILY MISSIONS COMPANY ↗
  • Who funds STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION ↗
  • Who funds JUDICIAL WATCH INC ↗
  • Who funds Desormeaux Foundation Inc ↗
  • Who funds THE HERITAGE FOUNDATION ↗
  • Who funds Macular Degeneration Association ↗
  • Who funds SHRINERS HOSPITALS FOR CHILDREN ↗

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.

Community Foundation of AcadianaLA19.5× affinity7 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Community Foundation of Acadiana · Mills Family Foundation Inc · Shell USA Company Foundation · American Endowment Foundation · National Philanthropic Trust · The Bank of America Charitable Foundation Inc · Network for Good · Natl Christian Charitable Fdn Inc · 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 Robert Charles Guidry Sr Charitable Trst funds: left to right is the share of its income from government, bottom to top the share from Robert Charles Guidry Sr Charitable Trst. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 20%0%1%3%5%funder's share of their income ↑0%3%5%8%10%share of the org’s income from government →median 6%
  • The Shriners' Hospital for Children: 6% of income from government
  • Shriners Hospitals for Children: 0% of income from government
no gov moneyreceives it· size = income
2get no government money at all
4report 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 Robert Charles Guidry Sr Charitable Trst?

Find your warmest path to Robert Charles Guidry Sr Charitable Trst 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 102 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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