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Plinth

· Private foundation

Paul S and Carolyn a Simon Foundation

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.

$28k
Granted FY2024still arriving
14
Grants FY2024still arriving
4
States reached
$8k
Largest
01What you fund
01100% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20182024.

Education$69kHealth$15kArts & Culture$11kHousing & Shelter$7kYouth Development$5kPhilanthropy$4kCrime & Legal$3kPublic Safety & Disaster$3kOther$0
02FY2024 · 14 grants

Where the money goes

Your grants by size, and where they go.

$1,000
Median grant
4
States reached
$516k
Total assets
Largest grants
RecipientAmount
EPISCOPAL DAY SCHOOL$8,000
HERITAGE ACADEMY$5,000
TUTTLE NEWTON HOME$2,500
Individual grant recipient$2,500
Individual grant recipient$1,000
THE SALVATION ARMY$1,000
CHILD ENRICHMENT$1,000
SHRINERS CHILDRENS HOSPITAL$1,000
ST JUDE CHILDRENS HOSPITAL$1,000
AMERICAN RED CROSS$1,000
MD ANDERSON$1,000
LUCY CRAFT LANEY MUSEUM$1,000
AMERICAN HEART ASSOCIATION$1,000
CURE PSP INC$1,000
02The need
03

Do your dollars go where the need is?

Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.

show:

Dollar for dollar, your grants (FY18–24) land where the poverty rate runs at 16%, against an area that typically sits at 12%. 74% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 12%TUNNEL T TOWERS: $1k → 11%CURE PSP INC: $1k → 17%MD ANDERSON CANCER CENTER: $1k → 16%SHRINER'S HOSPITAL FOR CHILDREN: $1k → 10%ALZHEIMER'S ASSOCIATION: $500 → 16%AMERICAN HEART ASSOCIATION: $250 → 17%ST JUDE CHILDRENS HOSPITAL: $1k → 17%AUGUSTA PREPARATORY: $19k → 7%HERITAGE ACADEMY: $6k → 18%SAINT JUDE CHILDREN'S HOSPITAL: $1k → 23%CUREPSP: $1k → 11%TUNNEL T TOWERS: $1k → 11%CURE PSP INC: $500 → 17%MD ANDERSON CANCER CENTER: $500 → 16%SHRINERS CHILDRENS HOSPITAL: $1k → 10%ST JUDE CHILDRENS HOSPITAL: $1k → 17%AUGUSTA PREPARATORY: $6k → 7%HERITAGE ACADEMY: $5k → 18%SHRINERS CHILDRENS HOSPITAL: $1k → 10%LUCY CRAFT LANEY MUSEUM: $1k → 18%HERITAGE ACADEMY: $1k → 18%MD ANDERSON: $1k → 18%HERITAGE ACADEMY: $1k → 18%AMERICAN RED CROSS: $1k → 18%MD ANDERSON: $1k → 18%AMERICAN RED CROSS: $1k → 18%AMERICAN RED CROSS: $1k → 18%LUCY CRAFT LANEY MUSEUM: $250 → 18%THE FIRST TEE OF AUGUSTA: $5k → 18%THE FIRST TEE OF AUGUSTA: $3k → 18%THE FIRST TEE OF AUGUSTA: $3k → 18%AUGUSTA FIRST TEE: $3k → 18%WESTMINSTER SCHOOLS OF AUGUSTA: $3k → 18%FIRST TEE AUGUSTA: $3k → 18%AMERICAN HEART ASSOCIATION: $1k → 18%AMERICAN HEART ASSOCIATION: $500 → 18%AMERICAN CANCER SOCIETY: $250 → 18%EPISCOPAL DAY SCHOOL: $20k → 18%EPISCOPAL DAY SCHOOL: $8k → 18%TUTTLE NEWTON HOME: $3k → 18%TUTTLE NEWTON HOME: $3k → 18%THE TUTTLE-NEWTON HOME: $3k → 18%THE TUTTLE-NEWTON HOME: $2k → 18%CHILD ENRICHMENT: $1k → 18%THE SALVATION ARMY: $1k → 18%CHILD ENRICHMENT: $1k → 18%CHILD ENRICHMENT INC: $1k → 18%THE SALVATION ARMY: $500 → 18%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.

US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.

03Your edge
repeat funding

Who you back again

Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.

91%of every dollar goes to organizations you’ve funded before.
$108k · 16 repeat orgs$11k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +124% since the first grant, against +20% for the ones you funded once.

16 repeat relationships — 13 still active in FY2024, 3 since wound down; 1 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

16
7

Total granted

$108k
$8k

Median revenue growth · since first grant

+124%
+20%

Still filing today

38%
43%

New vs renewed · share of each year

In FY2024, 91% of grant dollars renewed an existing relationship; $3k 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 & CulturePhilanthropyCrime & LegalOther

First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). 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

  • FA
    FORE AUGUSTA FOUNDATION INC
    3× · 2018–2021 · $10k · revenue +192%
  • TN
    TUTTLE NEWTON HOME INC
    4× · 2018–2024 · $9k · revenue +166%
  • CE
    CHILD ENRICHMENT INC
    4× · 2018–2024 · $3k · revenue +100%

Funded once

  • WD
    WESTMINSTER DAY SCHOOL INC
    one grant, 2021 · $3k
  • IG
    Individual grant recipient
    one grant, 2023 · $3k
  • SJ
    SAINT JUDE CHILDREN'S HOSPITAL
    one grant, 2020 · $1k

Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.

04Your field

The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.

1
Children's Health Care

We champion the health needs of children and families. we are committed to improving children's health by providing the highest-quality, family centered care, advanced through research and education.

Health
2
Phoenix Children's Hospital Foundation

Phoenix children's hospital foundation supports phoenix children's hospital through fundraising ensuring that the hospital continues to stay on the leading edge of pediatric medicine and is equipped to fulfill its mission to advance hope,…

Health
3
East Tennessee Children's Hospital Association Inc

East tennessee children's hospital is a free-standing, independent, not-for-profit pediatric health care system which serves the east tennessee region. children's hospital is certified by the state of tennessee as a comprehensive regional…

Health
4
Children's Hospital & Research Center At Oakland

The mission of children's hospital & research center at oakland is to protect and advance the health and well-being of children through clinical care, teaching and research.

Health
5
Hugo W Moser Research Institute At Kennedy Krieger Inc

The hugo w. moser research institute at kennedy krieger, inc. (the "research institute") is an internationally recognized research facility finding answers to problems and injuries that affect a child's developing brain. researchers have…

Science & Tech
6
Memorial Sloan-Kettering Cancer Center

Leadership in the prevention, treatment, and cure of cancer through excellence, vision and cost effectiveness in patient care, outreach programs, research, and education.

Health
7
American Lebanese Syrian Associated Charities Inc

American lebanese syrian associated charities, inc. (alsac) was founded in 1957 and exists solely to raise funds and build awareness to sustain and grow the mission of st. jude children's research hospital, inc. to advance cures, and means…

Religion
8
Children's Research Institute

Children's research institute dba children's national research institute conducts and promotes translational and clinical medical research and education programs that lead to improved understanding, prevention, treatment, and care of…

Health
9
Target Als Foundation Inc

Our mission is to break down barriers to als research to find effective treatments. by uniting academia, the pharma and biotech industry, government, venture capital, related nonprofits, and the als community, we aim to overcome the…

Education
10
Children's National

Children's national coordinates the overall policy and activities of the affiliated organizations. see schedule o.

Health
11
Johns Hopkins All Children's Hospital Inc

Mission: johns hopkins all children's hospital (all children's), a member of johns hopkins medicine, strives to provide the highest quality care to improve the health of our entire community through innovation, collaboration, service…

Health
12
Cystic Fibrosis Foundation

To cure cf and provide all people with cf the opportunity to lead long, fulfilling lives by funding research and drug development, partnering with the cf community, and advancing high-quality, specialized care.

Health

For reference, the grantee most central to the portfolio’s shape is Easter Seals Southern Georgia Inc and the most unlike its peers is Tuttle Newton Home Inc. 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

9 grantees tracked through their own filings, 2017–2025.

Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.

Counted here: distinct organizations you funded across 20172025, not grant rows in a single year — so this will not match the grant count on the cover. 9 of the 24 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.

0
Load-bearing (≥25% of a budget)
4
Early backer (in before they grew)
9/9
Grantees still filing
8/9
Grew since you first funded

Where your money sits — by cause, then by grantee

EPISCOPAL DAY SCHOOL — $28,000 · OtherEPISCOPAL DAY SCHOOLIndividual grant recipient — $25,000 · OtherIndividual grant recipientHERITAGE ACADEMY INC — $13,000 · OtherHERITAGE ACADEMY INCAMERICAN RED CROSS — $3,000 · Other+11 more — $19,250 · Other+11 moreFORE AUGUSTA FOUNDATION INC — $10,000 · Arts & CultureFORE AUGU…TUTTLE NEWTON HOME INC — $9,000 · PhilanthropyCUREPSP INC — $2,500 · HealthST JUDE CHILDREN'S RESEARCH HOSPITAL INC — $2,000 · HealthAmerican Heart Association Inc — $1,750 · HealthSHRINERS HOSPITALS FOR CHILDREN — $1,000 · Health+2 more — $500 · HealthCHILD ENRICHMENT INC — $3,250 · Crime & Legal
Other$88,250Arts & Culture$10,000Philanthropy$9,000Health$7,750Crime & Legal$3,250

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetFORE AUGUSTA FOUNDATION INC — $10,000 over 3y, 0.6% of budgetTUTTLE NEWTON HOME INC — $9,000 over 4y, 1.6% of budgetCHILD ENRICHMENT INC — $3,250 over 4y, 0.1% of budgetCUREPSP INC — $2,500 over 3y, 0.0% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC — $2,000 over 2y, 0.0% of budgetAmerican Heart Association Inc — $1,750 over 3y, 0.0% of budgetSHRINERS HOSPITALS FOR CHILDREN — $1,000 over 1y, 0.0% of budgetAMERICAN CANCER SOCIETY INC — $250 over 1y, 0.0% of budgetEASTER SEALS SOUTHERN GEORGIA INC — $250 over 1y, 0.0% of budget
Go grantee by grantee — a decade per org, and how each moved after you funded them

A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.

  • Who funds FORE AUGUSTA FOUNDATION INC
  • Who funds TUTTLE NEWTON HOME INC
  • Who funds CHILD ENRICHMENT INC
  • Who funds CUREPSP INC
  • Who funds ST JUDE CHILDREN'S RESEARCH HOSPITAL INC
  • Who funds American Heart Association Inc
  • Who funds SHRINERS HOSPITALS FOR CHILDREN
  • Who funds AMERICAN CANCER SOCIETY INC
  • Who funds EASTER SEALS SOUTHERN GEORGIA INC

The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.

Tr Dorothy M Buttolph FdnFL15.8× affinity5 shared granteesties to 1 of 1Hover any node to trace its alignments.Compare side by side →

Open a dossier: Tr Dorothy M Buttolph Fdn · The Bank of America Charitable Foundation Inc

Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.

Government reliance of your grantees

Every dot is one organization Paul S and Carolyn a Simon Foundation funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal or a single department — and drag the year to watch it move.

2024
202122232425
no gov · 00%0%1%3%5%your share of their income ↑0%3%5%8%10%share of the org’s income from governmentmedian 0%
  • Shriners Hospitals for Children0% of income from government
no gov moneyreceives it· size = income
0get no government money at all
2report 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, FY2025

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 your grant caused the public funding. Coverage is precision-first — a floor, not 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 12–24 months.

On method. Every financial figure here is read directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 24 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your 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. How we build these →

Generated from your IRS Form 990-PF e-file return for fiscal year 2024, released 2024. Filings run roughly 12–24 months behind; figures are dated accordingly.

Source object · view filing

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