· Private foundation
John Oster Family 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.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2017–2024.
Where the money goes
Your grants by size, and where they go.
| Recipient | Amount |
|---|---|
| AMERICAN HEART ASSOCIATION | $1,500 |
| MILWAUKEE SCHOOL OF ENGINEERING | $1,000 |
| CITY FORWARD COLLECTIVE | $1,000 |
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 (FY21–21, $1k) land where the poverty rate runs at 17%, 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.
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
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 +59% since the first grant, against +12% for the ones you funded once.
48 repeat relationships — 2 still active in FY2024, 46 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, 71% of grant dollars renewed an existing relationship; $1k 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
- WHWINTER HAVEN HOSPITAL FOUNDATION INC5× · 2017–2021 · $13k · revenue +231%
- LWLAKE WALES CARE CENTER INC5× · 2017–2021 · $10k · revenue +85%
BADGER INSTITUTE INC5× · 2017–2021 · $10k · revenue +76%
Funded once
- AWASCENSION WISCONSIN FOUNDATION INCgraduatedone grant, 2018 · $2k · revenue +126%
MILWAUKEE CENTER FOR INDEPENDENCE INCone grant, 2021 · $1k · revenue +12%- MCMILWAUKEE COLLEGE PREP SCHOOLone grant, 2021 · $1k
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.
We conduct impartial public policy research and analysis to drive informed debate and effective decision-making in the state of wisconsin.
To improve the health of the people of wisconsin by supporting and strengthening physicians' ability to practice high quality patient care in a changing environment.
The medical college of wisconsin (mcw) is a distinguished leader and innovator in the education and development of the next generation of physicians, (continued in schedule o)
To be the leading voice of medicine to make minnesota the healthiest state and the best place to practice.
Support research and innovation at the university of wisconsin - milwaukee by providing reserach funding, entrepreneurship support, and by engaging in corporate partnering activities to that end.
Bridging the gap between early-stage innovation and commercial application. partnering to de-risk, develop and scale-up discoveries into commercially-viable technology packages.
We inspire people to experience life at its fullest by encouraging ownership of health, fostering independence, and serving the whole person; and do so with an unwavering commitment as stewards of medicaid funding.
To provide the highest level of stewardship for university donors through professional management and oversight of the university of minnesota foundation's assets by creating a focused investment environment with clarity of purpose,…
The mission of the uwm foundation, inc. is to support the educational, literary, and scientific endeavors of the university of wisconsin-milwaukee by receiving, managing, and distributing gifts to benefit the university's students,…
Midwest dairy works with others to give consumers an excellent dairy experience increasing sales, fostering innovation, and inspiring consumer confidence of dairy products and practices.
Engage actively and continuously in medical research, education and training in the practice of medicine in conjunction with the department of family medicine of the indiana university school of medicine and indiana university…
The mission of burnett medical center is to provide compassionate, comprehensive, community healthcare that exceeds our customer's expectations. our mission, as well as our vision and values, serves as a guideline for daily decision making…
For reference, the grantee most central to the portfolio’s shape is Milwaukee Center for Independence Inc and the most unlike its peers is American Lung Association. 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.
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 45 years old; the field is 19. You back the established end — and your money leans older still.
The field is 19% startups (under 5 years old) — 0% of your grantees by number, and just 0% of your money.
The orgs you fund almost never close — 0.0% lost their exemption, against 11% of the field you don’t fund.
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.
32 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. 32 of the 59 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 BONEFISH & TARPON TRUST INC ↗
- Who funds COTTAGE 1886 FOUNDATION INC ↗
- Who funds WINTER HAVEN HOSPITAL FOUNDATION INC ↗
- Who funds LAKE WALES CARE CENTER INC ↗
- Who funds BADGER INSTITUTE INC ↗
- Who funds ALZHEIMER'S DISEASE RESEARCH FOUNDATION ↗
- Who funds VERSITI BLOOD RESEARCH INSTITUTE FOUNDATION INC ↗
- Who funds American Heart Association Inc ↗
- Who funds Froedtert Hospital Foundation Inc ↗
- Who funds LAKE WALES CHARTER SCHOOL FOUNDATION INC ↗
- Who funds UNITED PERFORMING ARTS FUND INC ↗
- Who funds CITY FORWARD COLLECTIVE INC ↗
- Who funds MCPREPARATORY SCHOOL OF WISCONSIN INC ↗
- Who funds ALLIANCE FOR THE GREAT LAKES ↗
- Who funds THE UNIVERSITY SCHOOL OF MILWAUKEE CORPORATION ↗
- Who funds WISCONSIN 4-H FOUNDATION INC ↗
- Who funds AMERICAN LUNG ASSOCIATION ↗
- Who funds MILWAUKEE BALLET COMPANY INC ↗
- Who funds THE HERITAGE FOUNDATION ↗
- Who funds WMC FOUNDATION 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.
Open a dossier: Herbert H Kohl Charities Inc · Baird Foundation Inc · Greater Milwaukee Foundation Inc · Telly Foundation Ltd · Cedar Street Charitable Foundation Inc · Bradley Impact Fund Inc · Charter Manufacturing Company Foundation Inc · Hauske Family Foundation Inc · Rite-Hite Foundation Inc · Ralph Evinrude Foundation Inc · Joseph and Vera Zilber Family Foundation Inc · United Way of Greater Milwaukee & Waukesha County 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.
Government reliance of your grantees
Every dot is one organization John Oster Family 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.
- Lake Wales Care Center Inc — 0% of income from government
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.
Warm introductions · Powered by PlinthPlus
How do I get to John Oster Family Foundation Inc?
Find your warmest path to John Oster Family Foundation Inc 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.