· Private foundation
Addison P Cook III Foundation
Its FY2025 filing reports that it accepted unsolicited grant applications.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2017–2025.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2025
- Under $10k5 grants · $22k
- $10k–50k16 grants · $293k
- $50k–250k2 grants · $105k
| Recipient | Amount |
|---|---|
| ELLA SHARP MUSEUM | $55,000 |
| JACKSON COUNTY ANIMAL SHELTER | $50,000 |
| LOST RAILWAY MUSEUM | $30,000 |
| JUNIOR ACHHIEVEMENT OF MI EDGE INC | $25,000 |
| MICHIGAN THEATRE OF JACKSON | $25,000 |
| CAMP LIBERTY INC | $25,000 |
| JACKSON SYMPHONY ORCHESTRA | $25,000 |
| RISE ABOVE | $25,000 |
| SOAR CAFE FARMS | $20,000 |
| JACKSON INTERFAITH SHELTER | $20,000 |
| JACKSON SCHOOL FOR THE ARTS | $15,000 |
| JACKSON COLLEGE FOUNDATION | $15,000 |
| COUNCIL PREVENTION OF CHILD ABUSE | $14,000 |
| CASCADES HUMANE SOCIETY | $13,500 |
| JACKSON SOUTHWEST LITTLE LEAGUE | $10,000 |
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.
Your human-services grants (FY21–25, $65k) land where the poverty rate runs at 13%, against an area that typically sits at 6%. 100% of those dollars go to grantees based in above-average-need neighborhoods. 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 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.
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.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +48% since the first grant, against +22% for the ones you funded once.
26 repeat relationships — 18 still active in FY2025, 8 since wound down; 5 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, 73% of grant dollars renewed an existing relationship; $113k 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.
Backed again, and grew
- TMTHE MICHIGAN THEATRE OF JACKSON INC9× · 2017–2025 · $224k · revenue +336%
- JCJACKSON COMMUNITY COLLEGE FOUNDATION9× · 2017–2025 · $120k · revenue +93%
- JSJACKSON SYMPHONY ORCHESTRA ASSOCIATION INC9× · 2017–2025 · $105k · revenue +48%
Funded once
- SPST PAUL EPISCOPAL CHURCH - JACKSONone grant, 2024 · $100k
- JYJackson YMCA Incone grant, 2021 · $40k · revenue +22%
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.
The mission of jackson community ambulance is to provide high-quality out-of-hospital care and transportation services to the communities we serve.
To connect and strengthen the arts through strengthening and expanding the arts organizations in the community, and increasing arts education opportunities, arts advocacy, and communications and commnication services.
To provide the best possible electric service to all who desire it within the system area at a reasonable cost consistent with the highest standards of service.
To preserve and operate historic sites for public tours and research. to preserve historic documents for public inspection.
The Jackson Symphony enriches and inspires audiences through the power of live orchestral music.
The jackson county education coalition is a county wide partnership of education, industry, and community leaders focused on aligning and integrating the county's learning system with economic growth and a high quality of life in jackson…
Our mission is to support commerce and promote growth to enhance the quality of life in jackson county.
To be a leading driver and advocate for community and economic development in jackson county.
We create unparalleled experiences to inspire excellence and a lifelong joy of learning.
To improve the business climate, promote economic development, and enhance the quality of life in the jacksonville area. the jacksonville area chamber of commerce encourages businesses by building relationships to create a vibrant tomorrow.
For reference, the grantee most central to the portfolio’s shape is Jackson Ymca Inc and the most unlike its peers is Lost Railway Museum. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
15 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 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 15 of the 34 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.
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
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 LOST RAILWAY MUSEUM ↗
- Who funds THE MICHIGAN THEATRE OF JACKSON INC ↗
- Who funds ELLA SHARP MUSEUM ASSOCIATION OF JACKSON ↗
- Who funds JACKSON COMMUNITY COLLEGE FOUNDATION ↗
- Who funds JACKSON SYMPHONY ORCHESTRA ASSOCIATION INC ↗
- Who funds Jackson Community Foundation ↗
- Who funds Jackson Interfaith Shelter ↗
- Who funds CASCADES HUMANE SOCIETY INC ↗
- Who funds JACKSON SOUTHWEST LITTLE LEAGUE ↗
- Who funds Jackson YMCA Inc ↗
- Who funds THE DAHLEM CONSERVANCY ↗
- Who funds CAMP LIBERTY INC ↗
- Who funds RISE ABOVE ↗
- Who funds THE JACKSON MICHIGAN CHORALE ↗
- Who funds Michigan Colleges Alliance ↗
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 Alvin L Glick Foundation · Jackson Community Foundation · Consumers Energy Foundation · Phil & Pat Willis Foundation · Lavery Foundation · The Hurst Foundation · Louis Glick Memorial & Charitable Trust · The L H Field Family Foundation · John George Jr Paragraph X Trust · Wa Foote Memorial Hospital · Philip J Curtis Foundation · Melling Family 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 Addison P Cook III 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: 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.
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How do I get to Addison P Cook III Foundation?
Find your warmest path to Addison P Cook III Foundation through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.
Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.