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Plinth

· Private foundation

R J Samulski Innovation Foundation Inc

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.

$2.6M
Granted FY2024still arriving
2
Grants FY2024still arriving
1
States reached
$2.3M
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 FY20212024.

Science & Tech$2.6MEducation$2.5MPhilanthropy$2.3MHealth$85kArts & Culture$25kReligion$10kFood & Nutrition$5k
02FY2024 · 2 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2024

  • $50k–250k1 grant · $222k
  • $250k+1 grant · $2.3M
$2,333,000
Median grant
1
States reached
$90M
Total assets
Largest grants
RecipientAmount
NORTH CAROLINA STATE UNIVERSITY$2,333,000
NORTH CAROLINA STATE UNIVERSITY$222,333
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 (FY21–24) land where the poverty rate runs at 8%, against an area that typically sits at 9%. 35% of your dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 9%NATIONAL PHILANTHROPIC TRUST: $2.3M → 7%HILTON HEAD SYMPHONY ORCHESTRA INC: $5k → 10%FRANCISCAN MONASTERY OF SAINT CLARE: $5k → 10%UNIVERSITY OF SOUTH CAROLINA: $5k → 16%ST JUDE CHILDREN'S RESEARCH HOSPITAL INC: $5k → 17%NORTH CAROLINA STATE UNIVERSITY: $2.3M → 8%DUKE UNIVERSITY: $2.5M → 11%SOUTH CAROLINA PHILHARMONIC INC: $5k → 16%NORTH CAROLINA STATE UNIVERSITY: $222k → 8%COLUMBUS CHILDREN'S FOUNDATION: $80k → 11%COLUMBIA MUSEUM OF ART: $5k → 16%THE NORTH CAROLINA AGRICULTURAL FOUNDATION INC: $5k → 8%TRIANGLE COMMUNITY FOUNDATION INC: $5k → 11%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 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
North Carolina Symphony Society Inc

To be north carolina's state orchestra, an orchestra achieving the highest level of artistic quality and performance standards, and embracing its dual legacies of statewide service and music education.

Arts & Culture
2
Columbia College

Columbia college improves lives by providing quality education to both traditional and nontraditional students, helping them achieve their true potential.

Education
3
North Carolina Symphony Foundation

To receive and hold the endowment of the north carolina symphony society, inc. (the "society"), solicit additions to the endowment, safeguard assets, and expend funds for the exclusive use and benefit of the society.

Arts & Culture
4
Northeast College of Health Sciences

Northeast college of health sciences (the college) is committed to academic excellence, leadership, and professional best practices in the health sciences.

Education
5
North Carolina State University Foundation Inc

Supports, by financial assistance and otherwise, the various colleges within the university, the libraries, and other university-connected functions.

Education
6
North Carolina State University College of Sciences Foundation Inc

Provide financial support for all types of education and research within the college of sciences at north carolina state university.

Philanthropy
7
Columbia College Chicago

The organization's mission is to educate students for creative occupations in diverse fields of arts and media.

Education
8
The Trustees of Princeton University

Research, education and general - princeton university is a private not-for-profit, non-sectarian institution of higher learning with approximately 5,700 undergraduate and 3,300 graduate students. 2,500 students graduated in the 2024-2025…

Education
9
Central Indiana Corporate Partnership Inc

Central indiana corporate partnership (cicp) is an alliance of indiana's business and research university leaders coming together to foster long-term prosperity for the region. cicp's mission is to transform the economy of indiana in order…

Community Improvement
10
Columbia College

Columbia college provides educational opportunities that develop students' capacity for critical thought and expression, life-long learning, acceptance of personal responsibilty, and commitment to service and social justice.

Education
11
Nashville Public Radio

Nashville public radio's mission is to be the most trusted & independent nashville voice, connecting our communities through non-partisan journalism, compelling storytelling, civil conversation and music discovery.

Arts & Culture
12
Unc Health Foundation Inc

At unc health foundation, we inspire philanthropic support for unc health and unc school of medicine that transforms healthcare and provides hope to the people of north carolina and communities around the world.

Education

For reference, the grantee most central to the portfolio’s shape is National Philanthropic Trust and the most unlike its peers is Columbus Children's Foundation. 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 14 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)
2
Early backer (in before they grew)
9/9
Grantees still filing
7/9
Grew since you first funded

Where your money sits — by cause, then by grantee

NORTH CAROLINA STATE UNIVERSITY — $2,555,333 · OtherNORTH CAROLINA STATE UNIVERSITY+4 more — $20,000 · OtherDUKE UNIVERSITY — $2,500,000 · EducationDUKE UNIVERSITYNATIONAL PHILANTHROPIC TRUST — $2,300,000 · PhilanthropyNATIONAL PHILANTHROPIC TRUST+1 more — $5,000 · PhilanthropyCOLUMBUS CHILDREN'S FOUNDATION — $80,000 · HealthST JUDE CHILDREN'S RESEARCH HOSPITAL INC — $5,000 · HealthTHE NORTH CAROLINA AGRICULTURAL FOUNDATION INC — $5,000 · HealthSOUTH CAROLINA PHILHARMONIC INC — $5,000 · Arts & CultureHILTON HEAD SYMPHONY ORCHESTRA INC — $5,000 · Arts & CultureCOLUMBIA MUSEUM OF ART — $5,000 · Arts & Culture
Other$2,575,333Education$2,500,000Philanthropy$2,305,000Health$90,000Arts & Culture$15,000

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

25%50%75%100%$10M$100Mgrantee revenue →↑ your share of their budgetDUKE UNIVERSITY — $2,500,000 over 1y, 0.1% of budgetNATIONAL PHILANTHROPIC TRUST — $2,300,000 over 1y, 0.0% of budgetCOLUMBUS CHILDREN'S FOUNDATION — $80,000 over 1y, 5.2% of budgetSOUTH CAROLINA PHILHARMONIC INC — $5,000 over 1y, 0.4% of budgetHILTON HEAD SYMPHONY ORCHESTRA INC — $5,000 over 1y, 0.4% of budgetTRIANGLE COMMUNITY FOUNDATION INC — $5,000 over 1y, 0.0% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC — $5,000 over 1y, 0.0% of budgetCOLUMBIA MUSEUM OF ART — $5,000 over 1y, 0.1% of budgetTHE NORTH CAROLINA AGRICULTURAL FOUNDATION INC — $5,000 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.

The Howard Gilman Foundation IncNY13.5× affinity4 shared granteesties to 4 of 4Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Howard Gilman Foundation Inc · The Bank of America Charitable 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 R J Samulski Innovation Foundation Inc 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%1%3%6%10%your share of their income ↑0%8%15%22%30%share of the org’s income from government
    no gov moneyreceives it· size = income
    0get 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 · 0–30%
    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 14 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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