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Plinth

· Private foundation

Ryan and Linda Armstrong Foundation

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.

$5k
Granted FY2025still arriving
5
Grants FY2025still arriving
2
States reached
$4k
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 FY20192025.

Education$20kHealth$5kFood & Nutrition$4kPublic Safety & Disaster$3kRecreation & Sports$3kInternational$1kReligion$250Arts & Culture$100
02FY2025 · 5 grants

Where the money goes

Your grants by size, and where they go.

$250
Median grant
2
States reached
$115k
Total assets
Largest grants
RecipientAmount
Strake Jesuit College Preparatory$4,400
Alzheimers Association$250
West University Methodist church$250
UT Fund$250
Gigis Playhouse$100
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 (FY19–25) land where the poverty rate runs at 15%, against an area that typically sits at 11%. 88% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 11%The Leukemia and Lymphoma Society: $100 → 9%National Multiple Sclerosis Society: $100 → 17%Oakbend Medical Center: $1k → 8%ExStudents Association of The University of Texas: $1k → 10%Trinity Valley School: $500 → 11%GLOBAL IMPACT: $1k → 16%Alzheimers Association: $250 → 14%Oakbend Medical Center: $1k → 8%UT Fund: $250 → 10%FIRE TRUCK PARK FUND: $3k → 16%Gigis Playhouse: $100 → 8%SouthsidePlace Fire Truck Park Fund: $3k → 16%The Broach Foundation for Brain Cancer Research: $1k → 16%Southside Place Community Garden: $300 → 16%TH Rogers PTO: $2k → 16%West University Methodist church: $250 → 16%TH Rogers PTO: $1k → 16%WEST U ELEMENTARY: $200 → 16%Joe Niekro Foundation: $250 → 16%Pin Oak Middle School PTO: $1k → 16%Pin Oak Middle School PTO: $1k → 16%PIN OAK MIDDLE SCHOOL: $510 → 16%The Rose: $500 → 16%Pin Oak Middle School PTO: $500 → 16%Strake Jesuit College Preparatory: $4k → 16%Strake Jesuit Crusader Fund: $2k → 16%Strake Jesuit Crusader Fund: $2k → 16%Strake Jesuit Foundation: $2k → 16%Houston Food Bank: $1k → 16%HOUSTON FOOD BANK: $1k → 16%Houston Food Bank: $1k → 16%WVES PTO: $550 → 16%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.

47%of every dollar goes to organizations you’ve funded before.
$17k · 6 repeat orgs$19k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +109% since the first grant, against +13% for the ones you funded once.

6 repeat relationships — 0 still active in FY2025, 6 since wound down; 5 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

6
16

Total granted

$17k
$13k

Median revenue growth · since first grant

+109%
+13%

Still filing today

33%
63%

New vs renewed · share of each year

In FY2025, 0% of grant dollars renewed an existing relationship; $5k went to new ones.

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

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

’19’20’21’22’23’24’25
HealthEducationOther

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

  • SJ
    Strake Jesuit Crusader Fund
    2× · 2023–2024 · $4k
  • The Houston Food Bank
    3× · 2019–2021 · $3k · revenue +109%
  • IG
    Individual grant recipient
    2× · 2019–2020 · $3k

Funded once

  • FT
    FIRE TRUCK PARK FUND
    one grant, 2021 · $3k
  • SF
    SouthsidePlace Fire Truck Park Fund
    one grant, 2023 · $3k
  • SJ
    Strake Jesuit Foundationgraduated
    one grant, 2022 · $2k · revenue +140%

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
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
2
The Johns Hopkins Hospital

For more than 125 years, the mission of the johns hopkins hospital has been to lead the world in the diagnosis and treatment of disease and to train tomorrow's great physicians, nurses and scientists. above all, we aim to provide the…

Health
3
The Translational Genomics Research Institute

Please see schedule o

Health
4
Fred Hutchinson Cancer Center

Fred hutch cancer center ("fred hutch") unites innovative research and compassionate care to prevent and eliminate cancer and infectious disease. continued on schedule o

Health
5
The Susan G Komen Breast Cancer Fdn Group

Susan g. komen 's mission is to save lives by meeting the most critical needs in our communities & investing in breakthrough research to prevent & cure breast cancer.

6
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
7
American Academy of Neurology

The Academy's mission is to enhance member career fulfillment and promote brain health for all.

Community Improvement
8
The Jackson Laboratory

The purposes of the laboratory are scientific, medical, charitable, and educational. our mission is to discover precise genomic solutions for disease and empower the biomedical community.

Health
9
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
10
American Lung Association

The american lung association's mission is to save lives by improving lung health and preventing lung disease. we do this through education, advocacy, and research.

Health
11
Sanford Burnham Prebys Medical Discovery Institute

Sanford burnham prebys medical discovery institute's mission is to advance the biomedical sciences by cultivating the next generation of scientific leaders, providing meaningful opportunities for researchers of all backgrounds to learn,…

Health
12
The Susan G Komen Breast Cancer Foundation Inc

Susan g. komen has an unmatched, comprehensive 360-degree approach to fighting breast cancer across all fronts and supporting millions of people in the u.s. and in countries worldwide. we advocate for policies to protect patients, drive…

Health

For reference, the grantee most central to the portfolio’s shape is Khan Academy Inc and the most unlike its peers is West University Little League. 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

13 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. 13 of the 27 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)
1
Early backer (in before they grew)
13/13
Grantees still filing
9/13
Grew since you first funded

Where your money sits — by cause, then by grantee

Strake Jesuit College Prep — $4,400 · OtherStrake Jesuit College PrepStrake Jesuit Crusader Fund — $4,000 · OtherStrake Jesuit Crusader FundThe Houston Food Bank — $3,262 · OtherThe Houston Food BankFIRE TRUCK PARK FUND — $3,000 · OtherFIRE TRUCK PARK FUNDIndividual grant recipient — $3,000 · OtherIndividual grant recipientSouthsidePlace Fire Truck Park Fund — $2,600 · OtherSouthsidePlace Fire Truck Park FundIndividual grant recipient — $2,100 · OtherIndividual grant recipientOAKBEND MEDICAL CENTER — $2,000 · OtherOAKBEND MEDICAL CENTERGLOBAL IMPACT — $1,030 · Other+8 more — $2,410 · Other+8 morePIN OAK MIDDLE SCHOOL PTO INC — $2,546 · EducationPIN OAK MIDDLE SCH…Strake Jesuit Foundation — $1,500 · EducationStrake Jesuit Foun…EX-STUDENTS' ASSOCIATION OF UT — $1,200 · EducationEX-STUDENTS' ASSOC…TRINITY VALLEY SCHOOL — $500 · EducationTRINITY VALLEY SCH…+1 more — $99 · EducationThe Broach Foundation For Brain Cancer Research — $1,300 · HealthALZHEIMER'S DISEASE & RELATED DISORDERS ASSOCIATION INC — $250 · HealthNIEKRO ANEURYSM AND AVM FOUNDATION — $250 · HealthBLOOD CANCER UNITED INC — $100 · HealthNATIONAL MULTIPLE SCLEROSIS SOCIETY — $100 · Health
Other$27,802Education$5,845Health$2,000

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 budgetThe Houston Food Bank — $3,262 over 3y, 0.0% of budgetPIN OAK MIDDLE SCHOOL PTO INC — $2,546 over 3y, 0.5% of budgetStrake Jesuit Foundation — $1,500 over 1y, 0.1% of budgetThe Broach Foundation For Brain Cancer Research — $1,300 over 1y, 0.3% of budgetEX-STUDENTS' ASSOCIATION OF UT — $1,200 over 1y, 0.0% of budgetTRINITY VALLEY SCHOOL — $500 over 1y, 0.0% of budgetTHE ROSE — $500 over 1y, 0.0% of budgetWEST UNIVERSITY LITTLE LEAGUE — $300 over 1y, 0.0% of budgetALZHEIMER'S DISEASE & RELATED DISORDERS ASSOCIATION INC — $250 over 1y, 0.0% of budgetNIEKRO ANEURYSM AND AVM FOUNDATION — $250 over 1y, 0.1% of budgetBLOOD CANCER UNITED INC — $100 over 1y, 0.0% of budgetNATIONAL MULTIPLE SCLEROSIS SOCIETY — $100 over 1y, 0.0% of budgetKHAN ACADEMY INC — $99 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.

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.

Greater Houston Community FoundationTX16.2× affinity6 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Greater Houston Community Foundation · Baker Hughes Foundation · Shell USA Company Foundation · Natl Christian Charitable Fdn Inc · National Philanthropic Trust · Morgan Stanley Global Impact Funding Trust Inc · The Bank of America Charitable Foundation Inc · Vanguard Charitable Endowment Program · American Online Giving Foundation Inc · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · 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 Ryan and Linda Armstrong 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%1%3%4%5%share of the org’s income from government
    no gov moneyreceives it· size = income
    0get no government money at all
    1report 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, 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 27 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 2025, released 2025. Filings run roughly 12–24 months behind; figures are dated accordingly.

    Source object · view filing

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