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· Private foundation
This foundation does not accept unsolicited requests — it funds preselected organizations.
By grantee IRS cause code (NTEE).
A cause breakdown isn’t shown here: 62% of THE PTARMIGAN FOUNDATION INC’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 · FY2024
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Dollar for dollar, your grants (FY17–24) land where the poverty rate runs at 11% — the area typically sits at 10%. 54% of your dollars reach neighborhoods with above-average need. Your grants spread fairly evenly across need levels.
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 +57% since the first grant, against -31% for the ones you funded once.
12 repeat relationships — 8 still active in FY2024, 4 since wound down; 1 grantees were first funded in FY2024 (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 FY2024, 93% of grant dollars renewed an existing relationship; $10k 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.
Georgetown university is one of the world's leading academic and research institutions. established in 1789, georgetown is the nation's oldest catholic and jesuit university.
The principal objects of the University are the advancement of learning by teaching and research and its dissemination by every means. We work as one Oxford bringing together our staff, students and alumni, our colleges, faculties,…
Offer a challenging education that develops the qualities of mind, spirit and body for students.
The american college of greece is an independent, not for profit, (continued on schedule o)
The jefferson scholars foundation (foundation) provides academic merit-based scholarship, fellowship and professorship support to students and faculty at the university of virginia (uva).
Our mission is to provide an outstanding legal education for a nationally based, diverse student body. we offer students the opportunity to be exposed to many views, life experiences and cultures.
Higher Education - Bachelor and Master degrees - accredited by the Middle States Commission on Higher Education; Professional and Continuing Education Programs and Courses
Museum and independent research library (see Schedule O)located in the heart of New York City, the Morgan Library & Museum began as the personal library of financier, collector, and cultural benefactor J. Pierpont Morgan (1837-1913). The…
Illinois college is a co-educational institution of higher learning in the liberal arts.
Emmanuel college is a coed, residential catholic liberal arts and sciences college with over 2,046 undergraduate and graduate students.
Johnson university is a private, coeducational institution of higher learning offering associate, bachelor's, master's and doctoral degrees.
The association of catholic colleges and universities, founded in 1899, serves as the collective voice of u.s catholic higher education. through programs and services, the association strengthens and promotes the catholic identity and…
For reference, the grantee most central to the portfolio’s shape is American Council of Trustees and Alumni and the most unlike its peers is Mount Desert Festival of Chamber Music. 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.
Every dot is one organisation THE PTARMIGAN 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.
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: MOUNT DESERT FESTIVAL OF CHAMBER MUSIC.
Agentic due diligence · confidence × risk
~6 months of operating runway; revenue grew over 7 filed years.
7 years of Form 990 filings, still active; revenue up +57% since.
US 501(c)(3); EIN 010357910 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 MOUNT DESERT FESTIVAL OF CHAMBER MUSIC, 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 The Ptarmigan Foundation Inc 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.