· Private foundation
Hartz 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 $10k15 grants · $52k
- $10k–50k6 grants · $126k
| Recipient | Amount |
|---|---|
| NORTHLAND COMMUNITY & TECHNICAL COLLEGE FOUNDATION | $26,800 |
| CITY OF WARREN | $25,000 |
| WARROAD COMMUNITY CHILDCARE CENTER | $25,000 |
| Individual grant recipient | $24,000 |
| KARLSTAD COUNTRY CLUB | $15,000 |
| Individual grant recipient | $10,000 |
| ADVANCE THIEF RIVER | $7,500 |
| LUTHERAN SOCIAL SERVICES OF MN | $5,000 |
| FALLS DELIVERED MEALS | $5,000 |
| MARSHALL COUNTY HISTORICAL SOCIETY | $5,000 |
| Individual grant recipient | $5,000 |
| KITTSON COUNTY HISTORICAL SOCIETY MUSEUM | $5,000 |
| RED LAKE FALLS VOLUNTEER AMBULANCE | $4,000 |
| MOORHEAD STATE UNIVERSITY FOUNDATION | $3,950 |
| BOY SCOUTS OF AMERICA | $2,700 |
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 (FY19–25, $154k) land where the poverty rate runs at 10%, against an area that typically sits at 10%. 36% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-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 +58% since the first grant, against +23% for the ones you funded once.
26 repeat relationships — 12 still active in FY2025, 14 since wound down; 9 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, 54% of grant dollars renewed an existing relationship; $82k 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
- NCNORTHLAND COMMUNITY AND TECHNICAL COLLEGE FOUNDATION9× · 2017–2025 · $241k · revenue +58%
- TDThe Discovery Place4× · 2019–2024 · $99k · revenue +206%
- VIVIOLENCE INTERVENTION PROJECT3× · 2019–2024 · $47k · revenue +19%
Funded once
- PPPRAIRIE PINES CHILDCARE CENTERone grant, 2021 · $25k · revenue -24%
- TRTHIEF RIVER FALLS ATHLETIC ASSOCIATIONone grant, 2023 · $25k
- SFSANFORD FOUNDATIONone grant, 2017 · $20k
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.
To preserve the history of rock county, minnesota
To provide a histroical museum for the pipestone county, minnesota region
To preserve the early history of fall river county south dakota
Dakota county historical society exists to preserve, interpret and promote the history of dakota county, minnesota.
To preserve and celebrate the rich history of marshall county, iowa
To maintain a museum to preserve and exhibit items which relate to the founding, growth or development of mahaska county and which are of educational or historical value; to enkindle and keep alive an active interest in local and state…
To collect, preserve, and disseminate knowledge about the history of the tower-soudan area and the state of minnesota
The organization is dedicated to preserving, restoring and educating others about the history of the region.
Discover, collect, preserve, and share the history of mower county and relate it to the history of minnesota
For reference, the grantee most central to the portfolio’s shape is Warroad Community Childcare Center and the most unlike its peers is Roseau County Historical Society. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
Your grantees are a median of 46 years old; the field is 25. You back the established end — and your money leans older still.
The field is 16% startups (under 5 years old) — 12% of your grantees by number, and just 11% of your money.
The orgs you fund almost never close — 3% lost their exemption, against 7% 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.
25 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. 25 of the 64 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 NORTHLAND COMMUNITY AND TECHNICAL COLLEGE FOUNDATION ↗
- Who funds The Discovery Place ↗
- Who funds Pennington County Historical Society Inc ↗
- Who funds VIOLENCE INTERVENTION PROJECT ↗
- Who funds THIEF RIVER FALLS AREA COMMUNITY THEATER ↗
- Who funds PRAIRIE PINES CHILDCARE CENTER ↗
- Who funds WARROAD COMMUNITY CHILDCARE CENTER ↗
- Who funds GIRL SCOUTS - DAKOTA HORIZONS ↗
- Who funds NORTHERN LIGHTS COUNCIL OF THE BOY SCOUTS OF AMERICA INC ↗
- Who funds BLUEWATER COVENANT BIBLE CAMP INC ↗
- Who funds THIEF RIVER FALLS EDUCATION FOUNDATION ↗
- Who funds ROSEAU COUNTY HISTORICAL SOCIETY ↗
- Who funds Prairie Public Broadcasting Inc ↗
- Who funds THE WELCOME HOUSE INC ↗
- Who funds MINNESOTA PUBLIC RADIO AMERICAN PUBLIC MEDIA ↗
- Who funds ADVANCE THIEF RIVER ↗
- Who funds FOUR SEASONS SENIOR CENTER INC ↗
- Who funds CLEARWATER COUNTY HISTORICAL SOCIET ↗
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: Northwest Minnesota Foundation · Beito Foundation · Randall Noper Char Tr · Northwest Minnesota Arts Council · Otter Tail Power Company Foundation · Otto Bremer Trust · Sanford Group Return · Minnesota Historical Society · North Dakota Community Foundation · Textron Charitable Trust Dtd 122353 · American Online Giving Foundation Inc · Donor Advised Charitable Giving 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 Hartz 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.
Warm introductions · Powered by PlinthPlus
How do I get to Hartz Foundation?
Find your warmest path to Hartz 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.