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Plinth

· Private foundation

William H & Brenda L Culpepper Family 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.

$110k
Granted FY2025still arriving
40
Grants FY2025still arriving
15
States reached
$75k
Largest
01What you fund
0192% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20172025.

Food & Nutrition$2.0MArts & Culture$341kEducation$102kHealth$47kPublic Benefit$27kReligion$18kInternational$11kPublic Safety & Disaster$10kOther$0
02FY2025 · 40 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k37 grants · $15k
  • $10k–50k2 grants · $20k
  • $50k–250k1 grant · $75k
$150
Median grant
15
States reached
$836k
Total assets
Largest grants
RecipientAmount
Carmel Symphony Orchestra$75,000
Bev Hartig Hungtingtons Disease Foundation$10,288
The North Carolina Agricultural Foundation Inc$10,111
Judicial Watch$3,000
American Red Cross$3,000
Heritage Foundation$2,500
Samaritans Pulse$1,000
Alzheimers Association$500
Leadership Institute$450
Alzheimers Disease Research$400
Salvation Army$350
Tunnel to Towers$300
NLPC$300
Southeastern Legal Foundation$250
Assistance League of Indianapolis$250
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:

Your human-services grants (FY18–25, $11k) land where the poverty rate runs at 14%, against an area that typically sits at 9%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 9%AMAC Foundation: $50 → 10%Wounded Warrior Project: $200 → 14%Wounded Warrior Project: $200 → 14%Wounded Warrior Project: $150 → 14%Wounded Warrior Project: $150 → 14%WOUNDED WARRIOR PROJECT: $125 → 14%Wheeler Mission: $150 → 16%Family Research Council: $100 → 14%Wheeler Mission: $100 → 16%FAMILY RESEARCH COUNCIL: $50 → 14%Wheeler Mission: $100 → 16%Wheeler Mission: $100 → 16%Wheeler Mission: $50 → 16%WHEELER MISSION: $50 → 16%American Red Cross: $3k → 14%Wheeler Mission: $50 → 16%American Red Cross: $3k → 14%American Red Cross: $2k → 14%American Red Cross: $2k → 14%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

MN
MI
NY
IN
CA
CO
NE
MO
KY
VA
AZ
KS
TN
NC
DC
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.

95%of every dollar goes to organizations you’ve funded before.
$2.5M · 41 repeat orgs$120k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +36% since the first grant, against +2% for the ones you funded once.

41 repeat relationships — 25 still active in FY2025, 16 since wound down; 13 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

41
32

Total granted

$2.5M
$119k

Median revenue growth · since first grant

+36%
+2%

Still filing today

61%
59%

New vs renewed · share of each year

In FY2025, 99% of grant dollars renewed an existing relationship; $1k went to new ones.

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

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

’17’18’19’21’22’23’24’25
HealthEducationPublic BenefitHuman ServicesCivil RightsInternationalOther

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

  • TN
    THE NORTH CAROLINA AGRICULTURAL FOUNDATION INC
    5× · 2019–2025 · $2.0M · revenue +36%
  • CS
    Carmel Symphony Orchestra
    8× · 2017–2025 · $341k · revenue +44%
  • TB
    The Bev Hartig Huntingtons Disease Foundation Inc
    2× · 2024–2025 · $20k · revenue +39%

Funded once

  • NC
    NORTH CAROLINA STATE UNIVERSITY FOUNDATION INCgraduated
    one grant, 2017 · $99k · revenue +232%
  • SP
    Second Presbyterian Church
    one grant, 2024 · $15k
  • AA
    AC AG Foundation
    one grant, 2022 · $2k

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
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.

2
American Law Institute

The institute's mission, as set out in its certificate of incorporation, is to promote the clarification and simplification of the law and its better adaptation to social needs, to secure the better administration of justice, and to…

Crime & Legal
3
American Enterprise Institute for Public Policy Research

The american enterprise institute is a community of scholars and supporters committed to expanding liberty, increasing individual opportunity, and strengthening free enterprise. aei pursues these ideals through independent thinking and the…

Social Science
4
Open Markets Institute

The open markets institute works to help people relearn how to use competition policy to build stronger democracies, more just and equitable societies, more innovative and sustainable economies, and a more secure and peaceful world.

Education
5
American Association for the Advancement of Science

Advance science, engineering, and innovation throughout the world for the benefit of all. the world's largest multidisciplinary scientific society and a leading publisher of cutting-edge research through its science family of journals,…

Science & Tech
6
American Civil Liberties Union Fund of the District of Columbia

Preservation of civil liberties through litigation and public education.

7
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
8
Npr Foundation

The npr foundation ("foundation") is organized and operated exclusively for the benefit of its sole supported organization, national public radio, inc. ("npr inc."). the foundation supports npr inc. through various activities such as…

9
The American College of Trust and Estate Counsel

Enhance the ability of actec members to provide the most efficient and highest quality services to their clients; develop qualified trust and estate counselors; improve and reform probate, trust and tax laws, procedures, and standards of…

Community Improvement
10
National Public Radio Inc

National public radio, inc. ("npr") works collaboratively with member public radio station licensees ("member stations") to create a more informed public, one that is challenged and invigorated by a deeper understanding and appreciation of…

Arts & Culture
11
National Academy of Public Administration

The National Academy of Public Administration is an independent, 501(c)(3) nonprofit, non partisan Organization established in 1967 and chartered by Congress in 1984. See Schedule O

Public Benefit
12
Federation for American Immigration Reform

The federation for american immigration reform's (fair) mission is to educate the public about the economic, sociological, environmental, demographic and other effects of mass immigration to the united states.

International

For reference, the grantee most central to the portfolio’s shape is The Heritage Foundation and the most unlike its peers is The Bev Hartig Huntingtons Disease Foundation Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.

For each theme you fund, this compares how the sector’s money is shifting with how your own giving is shifting.

← shrinkinggrowing →↓ leaning in → pulling backsteadyOrchestra and Ensemble Perf…Community FoundationsHealth Access Advocacy and …Policy Research and AdvocacyMilitary Veterans SupportCommunity College Foundatio…
the sector your giving your giving is ahead of the sector the sector’s ahead of you· dot size = how much the theme matters to each side
Ordered by the change in your giving — leaning in on top, pulling back at the bottom. The bar between the two dots is how out of step you are with the sector. Hover any row for detail.

Sector change and giving change are each shown relative to their own range, growing (right) or shrinking (left); both normalized, so inflation isn’t mistaken for growth.

Your grantees are a median of 40 years old; the field is 12. You back the established end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number26%0%<5yr16%6%5–10yr20%17%10–20yr14%17%20–35yr12%30%35–55yr12%32%55yr+
THE FIELDby orgYOUR MONEYby value26%0%<5yr16%0%5–10yr20%1%10–20yr14%1%20–35yr12%14%35–55yr12%84%55yr+

The field is 26% startups (under 5 years old) — 0% of your grantees by number, and just 0% of your money.

Closures · last 5 years

The orgs you fund almost never close 0.0% lost their exemption, against 15% of the field you don’t fund.

orgs you fund
0.0%0/55
the rest of the field
15%
7,957/53,125

Age = years since IRS exemption (a founding proxy). “Closed” = auto-revocation for 3 years of non-filing — a floor on closure, not proof, and bigger established orgs lapse least. Association, not causation.

04the grantee network

53 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. 53 of the 88 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)
5
Early backer (in before they grew)
53/53
Grantees still filing
31/53
Grew since you first funded

Where your money sits — by cause, then by grantee

THE NORTH CAROLINA AGRICULTURAL FOUNDATION INC — $2,024,976 · HealthTHE NORTH CAROLINA AGRICULTURAL FOUNDATION INC+8 more — $22,633 · HealthCarmel Symphony Orchestra — $341,289 · Arts & CultureCarmel Symphon…+1 more — $50 · Arts & CultureNORTH CAROLINA STATE UNIVERSITY FOUNDATION INC — $99,241 · Education+6 more — $3,235 · EducationHuntington's Disease Society (HDSA) — $19,619 · OtherSecond Presbyterian Church — $15,010 · OtherIndividual grant recipient — $9,148 · Other+55 more — $20,915 · OtherJUDICIAL WATCH INC — $12,500 · Public BenefitTHE HERITAGE FOUNDATION — $9,250 · Public BenefitLeadership Institute — $2,500 · Public Benefit+3 more — $200 · Public BenefitSAMARITAN'S PURSE — $11,000 · ReligionAmerican National Red Cross & Its Constituent Chapters and Branches — $9,000 · Human ServicesWOUNDED WARRIOR PROJECT INC — $1,050 · Human ServicesWHEELER MISSION MINISTRIES INC — $600 · Human Services+2 more — $200 · Human Services
Health$2,047,609Arts & Culture$341,339Education$102,476Other$64,692Public Benefit$24,450Religion$11,000Human Services$10,850

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 NORTH CAROLINA AGRICULTURAL FOUNDATION INC — $2,024,976 over 5y, 11% of budgetCarmel Symphony Orchestra — $341,289 over 8y, 13% of budgetNORTH CAROLINA STATE UNIVERSITY FOUNDATION INC — $99,241 over 1y, 0.2% of budgetThe Bev Hartig Huntingtons Disease Foundation Inc — $20,288 over 2y, 3.6% of budgetJUDICIAL WATCH INC — $12,500 over 8y, 0.0% of budgetSAMARITAN'S PURSE — $11,000 over 2y, 0.0% of budgetTHE HERITAGE FOUNDATION — $9,250 over 8y, 0.0% of budgetAmerican National Red Cross & Its Constituent Chapters and Branches — $9,000 over 4y, 0.0% of budgetLeadership Institute — $2,500 over 8y, 0.0% of budgetJUNIOR ACHIEVEMENT OF CENTRAL INDIANA INC — $2,000 over 2y, 0.1% of budgetSTEPHEN SILLER TUNNEL TO TOWERS FOUNDATION — $1,150 over 5y, 0.0% of budgetHILLSDALE COLLEGE — $1,050 over 5y, 0.0% of budgetWOUNDED WARRIOR PROJECT INC — $1,050 over 7y, 0.0% of budgetVision Charitable Trust — $800 over 4y, 0.0% of budgetSOUTHEASTERN LEGAL FOUNDATION INC — $750 over 3y, 0.0% of budgetBLOOD CANCER UNITED INC — $700 over 5y, 0.0% of budgetConservative Partnership Institute — $635 over 5y, 0.0% of budgetAmerican Heart Association Inc — $630 over 7y, 0.0% of budgetWHEELER MISSION MINISTRIES INC — $600 over 7y, 0.0% of budgetAssistance League of Indianapolis Inc — $550 over 4y, 0.0% of budgetDisabled American Veterans — $540 over 6y, 0.0% of budgetTHE SHRINERS' HOSPITAL FOR CHILDREN — $490 over 5y, 0.0% of budgetUS JUSTICE CHARITABLE FOUNDATION INC — $400 over 2y, 0.0% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC — $325 over 5y, 0.0% of budgetSTATE POLICY NETWORK — $250 over 1y, 0.0% of budgetDUKE UNIVERSITY — $250 over 1y, 0.0% of budgetFAMILY RESEARCH COUNCIL — $150 over 2y, 0.0% of budgetPRO ENGLISH — $150 over 2y, 0.0% of budgetYoung America's Foundation — $100 over 1y, 0.0% of budgetNATIONAL MULTIPLE SCLEROSIS SOCIETY — $100 over 1y, 0.0% of budgetFOR KIDS AND COUNTRY INC — $100 over 1y, 0.1% of budgetRONALD MCDONALD HOUSE CHARITIES OF CENTRAL INDIANA INC — $100 over 1y, 0.0% of budgetALICE LLOYD COLLEGE — $100 over 1y, 0.0% of budgetNATIONAL ARBOR DAY FOUNDATION — $80 over 2y, 0.0% of budgetCitizens United — $72 over 1y, 0.0% of budgetINDIANA SHERIFFS' ASSOCIATION INC — $70 over 2y, 0.0% of budgetAMAC Foundation Inc — $50 over 1y, 0.0% of budgetFOUNDATION FOR LIBERTY AND AMERICAN GREATNESS — $50 over 1y, 0.0% of budgetConner Prairie Foundation Inc — $50 over 1y, 0.0% of budgetCenter For Freedom and Prosperity Foundation — $50 over 1y, 0.0% of budgetAMYOTROPHIC LATERAL SCLEROSIS ASSN — $50 over 1y, 0.0% of budgetAMERICAN PARKINSON DISEASE ASSOC — $50 over 1y, 0.0% of budgetNegative Population Growth Inc — $50 over 1y, 0.0% of budgetFREEDOM ALLIANCE — $50 over 1y, 0.0% of budgetPATRICK HENRY COLLEGE — $50 over 1y, 0.0% of budgetHUMANE SOCIETY OF INDIANAPOLIS — $35 over 1y, 0.0% of budgetStudents for Life of America Inc — $35 over 1y, 0.0% of budgetAmericans for Prosperity Foundation — $25 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 THE NORTH CAROLINA AGRICULTURAL FOUNDATION INC
  • Who funds Carmel Symphony Orchestra
  • Who funds NORTH CAROLINA STATE UNIVERSITY FOUNDATION INC
  • Who funds The Bev Hartig Huntingtons Disease Foundation Inc
  • Who funds JUDICIAL WATCH INC
  • Who funds SAMARITAN'S PURSE
  • Who funds THE HERITAGE FOUNDATION
  • Who funds American National Red Cross & Its Constituent Chapters and Branches
  • Who funds Leadership Institute
  • Who funds JUNIOR ACHIEVEMENT OF CENTRAL INDIANA INC
  • Who funds STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION
  • Who funds HILLSDALE COLLEGE
  • Who funds WOUNDED WARRIOR PROJECT INC
  • Who funds Vision Charitable Trust
  • Who funds SOUTHEASTERN LEGAL FOUNDATION INC
  • Who funds BLOOD CANCER UNITED INC
  • Who funds Conservative Partnership Institute
  • Who funds American Heart Association Inc
  • Who funds WHEELER MISSION MINISTRIES INC
  • Who funds Assistance League of Indianapolis Inc
  • Who funds Disabled American Veterans
  • Who funds THE SHRINERS' HOSPITAL FOR CHILDREN
  • Who funds US JUSTICE CHARITABLE FOUNDATION INC
  • Who funds ST JUDE CHILDREN'S RESEARCH HOSPITAL 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.

John P & Kathryn G Evans FoundationWA15.7× affinity5 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: John P & Kathryn G Evans Foundation · Donors Trust Inc · H & R Peters Family Foundation · The Sandra & Lawrence Post Family Foundation · Farrell Family Foundation · Triad Foundation Inc · Bradley Impact Fund Inc · Raymond James Charitable Endowment Fund · Natl Christian Charitable Fdn Inc · American Endowment Foundation · The Pfizer Foundation Inc · National Philanthropic Trust

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 William H & Brenda L Culpepper Family 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 · 20%1%4%8%15%your share of their income ↑0%15%30%45%60%share of the org’s income from governmentmedian 6%
  • The Shriners' Hospital for Children6% of income from government
  • Wounded Warrior Project Inc0% of income from government
no gov moneyreceives it· size = income
2get no government money at all
5report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–60%
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 88 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

More from the funding graph