· Private foundation
Sonntag Family Foundation (The)
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 $10k5 grants · $13k
- $10k–50k7 grants · $146k
| Recipient | Amount |
|---|---|
| Individual grant recipient | $44,250 |
| WOMENS BOARD OF BARROW NEUROLOGICAL FOUNDATION | $25,000 |
| NATIONAL RESOURCES DEFENSE COUNCIL | $20,000 |
| SAN DIEGO FOOD BANK | $20,000 |
| ARCS FOUNDATION PHOENIX CHAPTER | $17,000 |
| JSERRA CATHOLIC SCHOOL | $10,000 |
| ST ANNE CATHOLIC SCHOOL | $10,000 |
| ROSIE'S HOUSE MUSIC ACADEMY FOR CHILDREN | $5,000 |
| ASU FOUNDATION | $2,500 |
| ST MARY'S FOOD BANK | $2,000 |
| Individual grant recipient | $2,000 |
| XAVIER COLLEGE PREPARATORY | $1,000 |
Does the money reach high-need areas?
Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.
Its human-services grants (FY24–24, $5k) land where the poverty rate runs at 11%, against an area that typically sits at 9%. 100% of those 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.
Grantees it renews have grown median revenue +53% since the first grant, against +19% for those funded once.
12 repeat relationships: 5 still active in FY2025, 7 since wound down; 7 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, 20% of grant dollars renewed an existing relationship; $126k went to new ones.
Where new relationships form · theme of each grantee’s first grant
How this is measured
Backed again, and grew
- BNBARROW NEUROLOGICAL FOUNDATION4× · 2019–2024 · $350k · revenue +63%
ARIZONA STATE UNIVERSITY FOUNDATION FOR A NEW AMERICAN UNIVERSITY4× · 2022–2025 · $53k · revenue +53%- SMST MARY'S FOOD BANK ALLIANCE9× · 2017–2025 · $21k · revenue +58%
Funded once
- CGCHARITABLE GIFT AMERICA INCgraduatedone grant, 2024 · $100k · revenue +28%
University of Arizona Foundationone grant, 2018 · $30k · revenue +19%- AFARCS FOUNDATIONone grant, 2017 · $9k
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.
To lead, serve and collaborate to mobilize enduring philanthropy for a better arizona.
United Food Bank unites communities to alleviate hunger.
Develop solutions to end hunger through food banking, public policy and innovation.
Assist banner health complete its mission to make health care easier so life can be better by providing integrated & coordinated care & population health management.
Science foundation arizona's mission is to diversify arizona's economy by investing in scientific and engineering research linked to industry needs and investing in education to create a work force with 21st centrury skills.
Waste Not cultivates sustainable food systems that help people and the planet flourish. We do this by eliminating food waste and hunger through innovative community partnerships.
Honorhealth's mission is to improve the health and well-being of those we serve.
To connect, support and inform efforts to improve the health of individuals and communities in arizona.
St. mary's medical center foundation exists to support the mission of dignity health dba, st. mary's medical center. we do this through our encouragement of charitable giving, our stewardship of donor gifts, and our own grant making, which…
See schedule oorganization's missionasu enterprise partners serves as the resource-raising arm of arizona state university. as the parent organization of five nonprofits that are each tasked with identifying new revenue opportunities, asu…
Bringing together diverse voices to advance health and healthcare in arizona.
Advance the university through fostering relationships, inspiring investment and stewardship.
How this is measured
11 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. 11 of the 28 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 BARROW NEUROLOGICAL FOUNDATION ↗
- Who funds CHARITABLE GIFT AMERICA INC ↗
- Who funds ARIZONA STATE UNIVERSITY FOUNDATION FOR A NEW AMERICAN UNIVERSITY ↗
- Who funds University of Arizona Foundation ↗
- Who funds ST MARY'S FOOD BANK ALLIANCE ↗
- Who funds JACOBS & CUSHMAN SAN DIEGO FOOD BANK ↗
- Who funds NATURAL RESOURCES DEFENSE COUNCIL INC ↗
- Who funds Rosies House A Music Academy for Children Inc ↗
- Who funds ST JOSEPH'S FOUNDATION ↗
- Who funds LAGUNA NIGUEL MILITARY SUPPORT FOUNDATION ↗
- Who funds National Kidney Foundation of Arizona ↗
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: American Express Foundation · Arizona Community Foundation · National Philanthropic Trust · Donor Advised Charitable Giving Inc · American Online Giving Foundation Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation
How this is measured
How much its grantees rely on government
Each dot is one organization Sonntag Family Foundation (The) funds: left to right is the share of its income from government, bottom to top the share from Sonntag Family Foundation (The). Bigger dots raise more.
How this is measured
Play a game based on Sonntag Family Foundation (The)’s filings →