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· Private foundation
This foundation accepts unsolicited grant applications.
By grantee IRS cause code (NTEE).
A cause breakdown isn’t shown here: 95% of Stoneleigh Foundation’s grantee dollars go to organizations outside the IRS cause taxonomy (common for large international and research funders), so a chart would be mostly “unclassified” and misrepresent the portfolio.
Beneath the NTEE codes, this is what the grant descriptions actually say.
…and in their own words, year by year
Words distinctive to each year’s grant purposes (TF-IDF) · event-driven terms in cyan.
Your grants by size, and where they go.
By grant size · FY2025
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY21–21, $30k) land where the poverty rate runs at 22% — the area typically sits at 16%. 100% of those dollars reach neighborhoods with above-average need. Most of your grants land in higher-need ZIPs.
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in 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, United Way ALICE — shown as context about the area, never attributed to your giving.
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +102% since the first grant, against +63% for the ones you funded once.
50 repeat relationships — 9 still active in FY2025, 41 since wound down; 19 grantees were first funded in FY2025 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2025, 35% of grant dollars renewed an existing relationship; $1.8M went to new ones.
Where new relationships form · theme of each grantee’s first grant
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.
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
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.
Building support for the rights of working people through coalitions of labor and community and through public education.
The Public Interest Law Center uses high-impact legal strategies to advance the civil, social, and economic rights of communities in the Philadelphia region facing discrimination, inequality, and poverty. We use litigation, community…
Cjp engages in class action litigation, administrative law, legislative advocacy, and other forms of impact litigation to help create positive change for low-income residents across pennsylvania.
Boldly leverage the power of the performing arts to catalyze social change, challenge bias, and create spaces for dialogue and understanding by presenting culturally diverse voices that celebrate and affirm our shared humanity.
Philadelphia works, inc. strives to build a stronger workforce through career, skills training, employment services for career seekers, business services for employers, and labor market insights for smart workforce solutions and innovation.
Young Playwrights Theater (YPT) is committed to using theater & writing to foster dialogue, arts education, literacy & conflict resolution in communities.
Pca promotes healing and justice for sexually abused children in philadelphia. using a multidisciplinary approach, we collaborate with our partners in child protection, law enforcement, and medical and mental health services to provide…
Pcdc provides bilingual, culturally sensitive assistance and services to clients in philadelphia's chinatown neighborhood
The Youth Activism Project teaches teens movement-building skills to make policy impact at all levels of government. We envision a world in which youth activism is the norm, not the exception. We know that even though many young people are…
Enforcing and protecting the rights of individuals and families.
Using art, as a catalyst for exploring creativity and advancing equity among communities in nyc.
Provide broad range of services to people in philadelphia infected and affected by the hiv disease and other chronic illnesses.
For reference, the grantee most central to the portfolio’s shape is Philadelphia Youth Network Inc and the most unlike its peers is Urbed. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
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.
Open a dossier: The Philadelphia Foundation · The William Penn Foundation · The Barra Foundation Inc · Independence Public Media Of · The Patricia Kind Family Foundation · Surdna Foundation Inc · United Way of Greater Philadelphia and Southern New Jersey · Scattergood Behavioral Health · Henrietta Tower Wurts Memorial · Lindback Cr & Mf Foundation Tw Main · Henry Dolfinger 2 Trust Uw · The Philadelphia Cultural Fund 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.
Every dot is one organisation Stoneleigh 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.
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. 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.
Through Plinth
This dossier was generated cold from public filings. In Plinth it’s a working system — every applicant assessed and every grant monitored. Here’s a taste, run on one of your grantees: SLOUGHT FOUNDATION.
Agentic due diligence · confidence × risk
~49 months of operating runway; revenue grew over 4 filed years.
4 years of Form 990 filings, still active; revenue up 2.1× since.
US 501(c)(3); EIN 010754956 on file with current IRS Form 990 filings.
Board composition & governance documents — verified live in Plinth from the applicant.
OFAC / UN sanctions screening — run live in Plinth at assessment.
Staffing, M&E and activity alignment — assessed live in Plinth from submitted proposals.
Live · Plinth’s real DD engine
Run the actual assessment on SLOUGHT FOUNDATION, cold from public data.
Generated live from public IRS filings + open web sources by Plinth’s agentic engine. Shown as an illustration of the product, not a formal assessment.
Post-award monitoring · continuous checks
What you see here is static and public. In Plinth it’s operational — the full six-pillar framework on every applicant (with their own documents + live registry and sanctions checks), monitoring dashboards on every award, custom board reports, and eligibility routing for intake.
Preview generated from this grantee’s public IRS filings and independent reporting. Pillars marked “live in Plinth” require the applicant’s submitted documents. Shown as illustration, not a formal assessment.
Warm introductions · Powered by PlinthPro
Find your warmest path to Stoneleigh Foundation through people who sit on both boards. Search for your organization and Plinth traces the introduction across shared trustees and officers.
Every link is a documented governance overlap in public IRS 990 filings — not a personal network — and each hop carries its own confidence tier. Low-confidence or distant paths are held back rather than guessed.