Funding search · EIN 233069847 · New York, NY

The Middendorf Family Foundation

Name: The Middendorf Family Foundation grants, 2022–2025
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

50
grants reported: $3.6M
total given: 2022–2025
filing years: $50,000
median grant

Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

Full IRS filings ↗How this is built Report an error

Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

Missionary Society Salesian Sisters4 grants · $995,000
Fish of Sanibel4 grants · $425,000
Our Lady of Mississippi Valley3 grants · $375,000
Sanibel Captiva Conservation Foundation4 grants · $250,000
Ding Darling Wildlife Society4 grants · $235,000
Katie'S House3 grants · $225,000
Sanibel Community Association4 grants · $210,000
University of Cincinatti Athletics3 grants · $150,000
Clinic for Rehab of Wildlife4 grants · $150,000
Community Housing and Resources1 grant · $100,000

Giving over time

$570,000

2022

$825,000

2023

$975,000

2024

$1.3M

2025

Grant history

All 50 reported grants, largest first.

$325,000
Missionary Society Salesian Sisters · Tampa, FL · 2025
General charitable purposes
$280,000
Missionary Society Salesian Sisters · Tampa, FL · 2024
General charitable purposes
$210,000
Missionary Society Salesian Sisters · Tampa, FL · 2022
General charitable purposes
$180,000
Missionary Society Salesian Sisters · North Haledon, NJ · 2023
General charitable purposes
$150,000
Our Lady of Mississippi Valley · Fort Meyers, FL · 2025
General charitable purposes
$150,000
Fish of Sanibel · Sanibel, FL · 2024
General charitable purposes
$150,000
Our Lady of Mississippi Valley · Fort Meyers, FL · 2024
General charitable purposes
$125,000
Fish of Sanibel · Sanibel, FL · 2025
General charitable purposes
$125,000
Katie'S House · Newton, NY · 2025
General charitable purposes
$125,000
Sanibel Captiva Conservation Foundation · Sanibel, FL · 2025
General charitable purposes
$100,000
Community Housing and Resources · Sanibel, FL · 2025
General operating
$100,000
Fish of Sanibel · Sanibel, FL · 2023
General charitable purposes
$100,000
Katies House Incorporated · Newton, NJ · 2023
General charitable purposes
$100,000
Our Lady of the Mississippi Abbey · Dubuque, IA · 2023
General charitable purposes
$85,000
Ding Darling Wildlife Society · Sanibel, FL · 2023
General charitable purposes
$75,000
Ding Darling Wildlife Society · Sanibel, FL · 2025
General charitable purposes
$75,000
Sanibel Community Association · Sanibel, FL · 2025
General charitable purposes
$75,000
University of Cincinatti Athletics · Cincinatti, OH · 2025
General charitable purposes
$75,000
Katie'S House · Newton, NY · 2024
General charitable purposes
$75,000
Our Lady of Mississippi Valley · Fort Meyers, FL · 2022
General charitable purposes
$50,000
United Way of Lee County · Fort Meyers, FL · 2025
General charitable purposes
$50,000
Clinic for Rehab of Wildlife · Sanibel, FL · 2024
General charitable purposes
$50,000
Ding Darling Wildlife Society · Sanibel, FL · 2024
General charitable purposes
$50,000
Sanibel Captiva Conservation Foundation · Sanibel, FL · 2024
General charitable purposes
$50,000
Sanibel Community Association · Sanibel, FL · 2024
General charitable purposes
$50,000
University of Cincinatti Athletics · Cincinatti, OH · 2024
General charitable purposes
$50,000
Clinic for Rehab of Wildlife · Sanibel, FL · 2023
General charitable purposes
$50,000
Fish of Sanibel-Captiva · Sanibel, FL · 2023
General charitable purposes
$50,000
Sanibel Captiva Conservation Foundation · Sanibel, FL · 2023
General charitable purposes
$50,000
Sanibel Community Association · Sanibel, FL · 2023
General charitable purposes
$50,000
Fish of Sanibel · Sanibel, FL · 2022
General charitable purposes
$35,000
Sanibel Community Association · Sanibel, FL · 2022
General charitable purposes
$25,000
Clinic for Rehab of Wildlife · Sanibel, FL · 2025
General charitable purposes
$25,000
Sanibel Sea School · Sanibel, FL · 2024
General operating
$25,000
United Way of Lee County · Fort Meyers, FL · 2024
General charitable purposes
$25,000
United Way Worldwide · Alexandria, VA · 2023
General operating
$25,000
University of Cincinnati Foundation · Cincinnati, OH · 2023
General charitable purposes
$25,000
Clinic for Rehab of Wildlife · Sanibel, FL · 2022
General charitable purposes
$25,000
Ding Darling Wildlife Society · Sanibel, FL · 2022
General charitable purposes
$25,000
Katie'S House · Newton, NY · 2022
General charitable purposes
$25,000
Sanibel Captiva Conservation Foundation · Sanibel, FL · 2022
General charitable purposes
$25,000
Sanibel Sea School · Sanibel, FL · 2022
General operating
$25,000
United Way of Lee County · Fort Meyers, FL · 2022
General charitable purposes
$25,000
University of Cincinatti Athletics · Cincinatti, OH · 2022
General charitable purposes
$20,000
Mayo Clinic · Rochester, MN · 2025
General charitable purposes
$15,000
Charlotte Latin School · Charlotte, NC · 2022
General charitable purposes
$10,000
Charlotte Latin School · Charlotte, NC · 2024
General charitable purposes
$10,000
Mayo Clinic · Rochester, MN · 2024
General charitable purposes
$10,000
Mayo Clinic · Rochester, MN · 2023
General charitable purposes
$10,000
Mayo Clinic · Rochester, MN · 2022
General charitable purposes

Who else funds this kind of work

Same state

The Bloomberg Family Foundation815 grants · $3.00B
Pfizer Patient Assistance Foundation134 grants · $5.49B

Similar grant size

Ohio Child Care Resource and Referral16,278 grants · $1.08B
Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
The Chicago Community Trust14,939 grants · $5.82B

Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.

Search funders like this one

Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.