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Plinth

· Public charity

International Swimming Hall of Fame

To collaborate with aquatic organizations worldwide to preserve, educate and celebrate the history of aquatic sports while promoting every child a swimmer.

$896k
Granted FY2025still arriving
37
Grants FY2025still arriving
13
States reached
$190k
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 FY20242025.

Education$1.1MRecreation & Sports$86kYouth Development$38kEnvironment$15k
02FY2025 · 37 grants

Where the money goes

Your grants by size, and where they go.

The 37 grants below total $726,532 — the rows itemised in this filing. The $896,443 headline is the total grant expense reported on the return, so the remaining $169,911 is giving the schedule does not break out: grants under the $5,000 itemisation floor, grants to individuals, and grants reported on other schedules. Every figure below describes the itemised rows only.

By grant size · FY2025

  • Under $10k23 grants · $174k
  • $10k–50k11 grants · $180k
  • $50k–250k3 grants · $373k
$8,880
Median grant
13
States reached
$1.6M
Total assets
Largest grants
RecipientAmount
FOSS SWIM SCHOOL IOWA$189,684
EMLER SWIM SCHOOLS$114,284
RJ GROUP CORP$69,390
Individual grant recipient$28,960
OCAQUATICS SWIM SCHOOL$23,500
Individual grant recipient$18,876
NWA SWIM SCHOOL LLC$17,820
Individual grant recipient$15,060
Individual grant recipient$15,000
ATHENS BULLDOG SWIM CLUB$14,960
GOLD FISH SWIM SCHOOL - ROYAL PALM BEACH$12,418
Individual grant recipient$11,346
GOLD FISH SWIM SCHOOL - SUGAR LAND$11,036
Individual grant recipient$10,692
BOYS & GIRLS CLUB OF SARASOTA & DESOTO COUNTIES$9,990
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 (FY24–25) land where the poverty rate runs at 11%, against an area that typically sits at 10%. 68% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 10%MILFORD SWIM SCHOOL CORPORATION: $9k → 11%GOLD FISH SWIM SCHOOL - NORTH ATTLEBORO: $8k → 11%FOSS SWIM SCHOOL IOWA: $190k → 11%GOLD FISH SWIM SCHOOL - SUGAR LAND: $11k → 8%EMLER SWIM SCHOOLS: $114k → 14%NWA SWIM SCHOOL LLC: $20k → 8%EMERALD COST FITNESS FOUNDATION: $8k → 8%NATASHA'S NURSING NEST LLC: $23k → 9%WATERSAFE INC: $15k → 9%AQUATICS AND EDUCATION LLC: $14k → 10%MARIA BARRINGAHAUS: $29k → 10%GOLD FISH SWIM SCHOOL - ROYAL PALM BEACH: $12k → 11%HUDSON VALLEY SWIM NW TAMPA: $14k → 13%SAFETY FIRST PEDIAQUATICS LIFEGUARDIANS: $8k → 13%HAZEN INC: $18k → 13%OCAQUATICS SWIM SCHOOL: $24k → 15%SUN COUNTRY SPORTS CENTER: $8k → 19%RJ GROUP CORP: $69k → 8%AQUA TOTS - SARASOTA: $11k → 15%MICHFISH LLC: $9k → 7%ATHENS BULLDOG SWIM CLUB: $15k → 27%CARMEL SWIM CLUB: $8k → 5%RHYTHM AND STROKE LLC: $12k → 17%SOGGIE DOGGIES: $49k → 6%LAKE RIDGE RRGP GSS LOCATION #1 LLC: $7k → 7%EMLER SWIM SCHOOLS: $83k → 14%NWA SWIM SCHOOL LLC: $18k → 8%BOYS & GIRLS CLUB OF SARASOTA & DESOTO COUNTIES: $10k → 9%AQUATICS AND EDUCATION LLC: $8k → 10%GOLD FISH SWIM SCHOOL - LAKEWOOD RANCHES: $9k → 10%CLEARWATER FOR YOUTH INC: $20k → 12%CHILDREN'S SAFETY VILLAGE: $11k → 13%HUDSON VALLEY SWIM NW TAMPA: $9k → 13%AQUA CHAMPS: $19k → 13%OCAQUATICS SWIM SCHOOL: $18k → 15%RJ GROUP CORP: $43k → 8%SOGGIE DOGGIES: $15k → 6%LITTLE AQUATICS: $27k → 13%AQUA CHAMPS: $19k → 13%I&E AQUADEMY DBA LITTLE SWIMMERS: $8k → 15%GOLD FISH SWIM SCHOOL - FARMINGTON HILLS: $9k → 8%GOLD FISH SWIM SCHOOL - RRGPS: $10k → 17%SAND SHARKS SWIM SCHOOL: $8k → 10%LITTLE AQUATICS: $15k → 13%MFO WEST BLOOMFIELD LLC: $33k → 8%THE GIFT OF SWIMMING: $24k → 13%MFO GRANDVILLE LLC: $18k → 8%GOLD FISH SWIM SCHOOL - BIRMINGHAM: $12k → 8%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.

Which US states your grants reach

WA
MN
IL
MI
MA
IN
OH
RI
VA
AR
NC
GA
TX
FL

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.

49%of every dollar goes to organizations you’ve funded before.
$629k · 12 repeat orgs$646k to everyone else

12 repeat relationships — 12 still active in FY2025, 0 since wound down; 25 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

12
18

Total granted

$629k
$234k

Still filing today

0%
17%

New vs renewed · share of each year

In FY2025, 43% of grant dollars renewed an existing relationship; $411k went to new ones.

50%100%’24’25
RenewedFirst-time

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

’24’25
Recreation & SportsYouth DevelopmentOther

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

  • ES
    EMLER SWIM SCHOOLS
    2× · 2024–2025 · $197k
  • RG
    RJ GROUP CORP
    2× · 2024–2025 · $113k
  • IG
    Individual grant recipient
    2× · 2024–2025 · $64k

Funded once

  • MW
    MFO WEST BLOOMFIELD LLC
    one grant, 2024 · $33k
  • TG
    The Gift of Swimming Inc
    one grant, 2024 · $24k · revenue 0%
  • NN
    NATASHA'S NURSING NEST LLC
    one grant, 2024 · $23k

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

04Your field
04the grantee network

6 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. 6 of the 55 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)
3
Early backer (in before they grew)
6/6
Grantees still filing
3/6
Grew since you first funded

Where your money sits — by cause, then by grantee

EMLER SWIM SCHOOLS — $197,369 · OtherEMLER SWIM SCHOOLSFOSS SWIM SCHOOL IOWA — $189,684 · OtherFOSS SWIM SCHOOL IOWARJ GROUP CORP — $112,671 · OtherRJ GROUP CORPIndividual grant recipient — $64,276 · OtherIndividual grant recipient — $42,444 · OtherOCAQUATICS SWIM SCHOOL — $41,080 · Other+45 more — $564,798 · Other+45 moreThe Gift of Swimming Inc — $24,120 · Recreation & SportsEmerald Coast Fitness Foundation — $8,041 · Recreation & SportsCLEARWATER FOR YOUTH INC — $20,000 · Youth DevelopmentBOYS AND GIRLS CLUBS OF SARASOTA AND DESOTO COUNTIES INC — $9,990 · Youth Development
Other$1,212,322Recreation & Sports$32,161Youth Development$29,990

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

25%50%75%100%$1.0Mgrantee revenue →↑ your share of their budgetThe Gift of Swimming Inc — $24,120 over 1y, 17% of budgetCLEARWATER FOR YOUTH INC — $20,000 over 1y, 1.6% of budgetEmerald Coast Fitness Foundation — $8,041 over 1y, 0.7% 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 The Gift of Swimming Inc
  • Who funds CLEARWATER FOR YOUTH INC
  • Who funds ATHENS BULLDOG SWIM CLUB INC
  • Who funds BOYS AND GIRLS CLUBS OF SARASOTA AND DESOTO COUNTIES INC
  • Who funds Emerald Coast Fitness Foundation
  • Who funds CARMEL SWIM CLUB 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 set of overlaps that mostly run through you, not between each other.

Amazonsmile FoundationWA2.1× affinity4 shared granteesties to 0 of 0Hover any node to trace its alignments.Compare side by side →

Open a dossier: Amazonsmile Foundation

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 International Swimming Hall of Fame 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, a single department, or state — and drag the year to watch it move.

2024
2021222324
no gov · 10%1%5%11%20%your share of their income ↑0%1%3%4%5%share of the org’s income from government
    no gov moneyreceives it· size = income
    1get no government money at all
    3report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–5%
    typical government reliance, FY2024

    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 55 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 e-file return for fiscal year 2025, released 2025. Filings run roughly 12–24 months behind; figures are dated accordingly.

    Source object · view filing

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