Funding search · EIN 411852392 · Minneapolis, MN
The Irwin Andrew Porter Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 13
- grants reported
- $575,305
- total given
- 2021–2024
- filing years
- $40,000
- median grant
Based on grants this organization reported to the IRS for tax years 2021–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
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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.
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2 grants matching “acat” · $120,000
- $40,000
Acate Amazon Conservation · San Francisco, CA · 2024
Charitable Gift
- $80,000
Acate Amazon Conservation · San Francisco, CA · 2022
Charitable Gift
Grant history
All 13 reported grants, largest first.
- $80,000
Acate Amazon Conservation · San Francisco, CA · 2022
Charitable Gift
- $75,000
Land Institute · Salina, KS · 2021
Charitable Gifts
- $68,000
Environmental Law Alliance · Eugene, OR · 2021
Charitable Gift
- $60,000
Environmental Law Alliance · Eugene, OR · 2024
Charitable Gift
- $60,000
Environmental Law Alliance · Eugene, OR · 2022
Charitable Gift
- $40,000
Acate Amazon Conservation · San Francisco, CA · 2024
Charitable Gift
- $40,000
Rain for the Sahel and Sahara · Portsmouth, NH · 2021
Charitable Gift
- $30,000
Puppeteers of America · Minneapolis, MN · 2022
Charitable Gift
- $30,000
Puppeteers of America · Minneapolis, MN · 2021
Charitable Gifts
- $29,625
Massai Water Project · Brookly, NY · 2021
Charitable Gift
- $25,000
Planting Changes · Brooklyn, NY · 2022
Charitable Gift
- $20,000
Upstream Arts · Minneapolis, MN · 2022
Charitable gift
- $17,680
New Nature · Philadelphia, PA · 2021
Charitable Gift
Who else funds this kind of work
Same state
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- Educational Credit387 grants · $692.9M
- Mayo Clinic775 grants · $1.77B
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 oneSource: 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.

