· Private foundation
William and Sandra Haack Family Foundation Inc
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.
What it funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.
Where the money goes
Grants by size, and the largest recipients.
By grant size · FY2025
- Under $10k1 grant · $2k
- $50k–250k1 grant · $125k
| Recipient | Amount |
|---|---|
| ST AUGUSTINE PREPARATORY ACADEMY | $125,000 |
| CROHN'S & COLITIS FOUNDATION INC | $2,000 |
Does the money reach high-need areas?
Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.
Dollar for dollar, its grants (FY17–25) land where the poverty rate runs at 17%, against an area that typically sits at 12%. 100% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.
How this is measured
How this is measured
Who it funds again
Organizations funded in more than one year, against those funded once.
7 repeat relationships: 1 still active in FY2025, 6 since wound down; 1 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, 98% of grant dollars renewed an existing relationship; $2k went to new ones.
Where new relationships form · theme of each grantee’s first grant
How this is measured
Backed again, and grew
ST AUGUSTINE PREPARATORY ACADEMY INC3× · 2022–2025 · $375k · revenue +190%- MAMILWAUKEE ART MUSEUM INC2× · 2017–2018 · $100k · revenue +34%
- SMST MARCUS FOUNDATION INC5× · 2017–2021 · $33k · revenue +39%
Funded once
- STSCHOOLS THAT CAN MILWAUKEE INCone grant, 2017 · $20k
- MRMILWAUKEE RESCUE MISSIONone grant, 2017 · $10k
- SMST MARCUS LUTHERAN CHURCHone grant, 2022 · $10k
How this is measured
Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.
Closest unfunded matches
The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.
University school of milwaukee cultivates excellence in learning, leadership, and citizenship for prekindergarten through 12th grade students. students are engaged, known, and valued within our passionate independent school community…
To promote the welfare of and advance the objectives of the university of wisconsin-madison by encouraging the interest, engagement, and financial support of alumni, donors, and friends in the life of the university and with each other.
Marian university is a catholic applied liberal arts community that welcomes diverse spiritual traditions sponsored by the congregation of sisters of st agnes. marian university engages students in the education of the whole person. we…
To support the university school of milwaukee in the fulfillment of its educational purposes.
As a Catholic, Jesuit university our mission is to search for truth, discover shareknowledge, foster personal professional excellence, promote a life of faith and developleadership expressed in service to others. See Schedule O.
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)
Milwaukee school of engineering (msoe) is a nonprofit, nonsectarian university providing a balanced education at the undergraduate and graduate level in the disciplines of engineering business, mathematics, and nursing. (see schedule o)…
The mission of the organization is to provide a high quality education for all students with choices after graduation that will provide financial stability, inspire personal freedom to builda legacy.
Providence st. mel school is an independent, private school whose mission is to provide a high-quality, college preparatory education to students from preschool through grade 12. the school primarily targets students on chicago's west side.
Saint xavier university, a catholic institution inspired by the heritage of the sisters of mercy, educates persons to search for truth, think critically, communicate effectively and serve wisely and compassionately in support of human…
The milwaukee institute of art and design's mission is to ignite curious minds through art, design and service. we value courage to seek our own path, integrity to pursue our lives and work with meaning, kindness to thoughtfully engage…
To partner with the public and private sectors to develop and hold real estate for the benefit of the university of wisconsin-milwaukee. the uwm real estate foundation, inc. holdings may include any properties that advance the mission of…
How this is measured
9 grantees tracked through their own filings, 2017–2025.
Each grant beside the grantee’s revenue from every source, year by year.
How this is measured
Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 9 of the 13 grantees resolved in that span have returns of their own we could reconcile.
Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.
Where the money sits, by cause and then by grantee
Each grantee by its size and the funder’s share of it; top left is load-bearing
Grantee by grantee: a decade per organization, before and after funding
A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.
- Who funds MILWAUKEE SYMPHONY ORCHESTRA INC ↗
- Who funds ST AUGUSTINE PREPARATORY ACADEMY INC ↗
- Who funds MILWAUKEE ART MUSEUM INC ↗
- Who funds BRIGHTSTAR WISCONSIN FOUNDATION INC ↗
- Who funds ST MARCUS FOUNDATION INC ↗
- Who funds SCHOOLS THAT CAN MILWAUKEE INC ↗
- Who funds Northwestern University ↗
- Who funds CITY FORWARD COLLECTIVE INC ↗
- Who funds CROHN'S & COLITIS FOUNDATION INC ↗
Co-funders
Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.
Open a dossier: Baird Foundation Inc · Arzbaecher Family Foundation · Husco Foundation · Charter Manufacturing Company Foundation Inc · Gardner Foundation · Ralph Evinrude Foundation Inc · Bradley Impact Fund Inc · National Philanthropic Trust · Natl Christian Charitable Fdn Inc · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund
How this is measured
How much its grantees rely on government
Each dot is one organization William and Sandra Haack Family Foundation Inc funds: left to right is the share of its income from government, bottom to top the share from William and Sandra Haack Family Foundation Inc. Bigger dots raise more.
How this is measured
Warm introductions · Powered by PlinthPlus
How do I get to William and Sandra Haack Family Foundation Inc?
Find your warmest path to William and Sandra Haack 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.
Play a game based on William and Sandra Haack Family’s filings →