Funding search · EIN 136115875 · Denver, CO

The Jacob & Ruth Mazer Foundation

Name: The Jacob & Ruth Mazer 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: $138,800
total given: 2022–2025
filing years: $1,750
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.

Planned Parenthood4 grants · $27,000
Jewish Colorado3 grants · $17,750
Civic Canopy4 grants · $16,500
Aclu Foundation3 grants · $15,000
Yale Alumni4 grants · $12,500
Jewish Experience2 grants · $11,500
American Civil Liberties Union of C2 grants · $10,600
Osborne Association4 grants · $10,300
Wnet2 grants · $2,000
Denver Museum of Nature Science2 grants · $2,000

Giving over time

$39,250

2022

$25,200

2023

$36,800

2024

$37,550

2025

Grant history

All 50 reported grants, largest first.

$10,000
American Civil Liberties Union of C · Hartford, CT · 2022
General grant
$9,500
Jewish Colorado · Denver, CO · 2022
General grant
$9,000
Jewish Experience · Denver, CO · 2024
General grant
$8,500
Planned Parenthood · New York, NY · 2025
General grant
$8,500
Planned Parenthood · New York, NY · 2022
General grant
$5,500
Jewish Colorado · Denver, CO · 2024
General grant
$5,000
Aclu Foundation · New York, NY · 2025
General grant
$5,000
Civic Canopy · Denver, CO · 2025
General grant
$5,000
Aclu Foundation · New York, NY · 2024
General grant
$5,000
Planned Parenthood · New York, NY · 2024
General grant
$5,000
Aclu Foundation · New York, NY · 2023
General grant
$5,000
Civic Canopy · Denver, CO · 2023
General grant
$5,000
Planned Parenthood · New York, NY · 2023
General grant
$4,500
Yale Alumni · New York, NY · 2022
General grant
$4,000
Civic Canopy · Denver, CO · 2024
General grant
$3,000
Yale Alumni · New York, NY · 2025
General grant
$2,800
Osborne Association · Bronx, NY · 2025
General grant
$2,800
Osborne Association · Bronx, NY · 2024
General grant
$2,750
Jewish Colorado · Denver, CO · 2025
General grant
$2,700
Osborne Association · Bronx, NY · 2023
General grant
$2,500
Yale Alumni · New York, NY · 2024
General grant
$2,500
Jewish Experience · Denver, CO · 2023
General grant
$2,500
Yale Alumni · New York, NY · 2023
General grant
$2,500
Civic Canopy · Denver, CO · 2022
General grant
$2,000
Osborne Association · Bronx, NY · 2022
General grant
$1,500
Camp Kesem · Covina, CA · 2025
General grant
$1,000
Aclu of Maine · Portland, ME · 2025
General grant
$1,000
Denver Museum of Nature Science · Denver, CO · 2025
General grant
$1,000
Friends of Casco Bay · Portland, ME · 2025
General grant
$1,000
Greenwich Hospital Foundation · Cos Cob, CT · 2025
General grant
$1,000
Denver Museum of Nature Science · Denver, CO · 2024
General grant
$1,000
Greenwich Hospital · Greenwich, CT · 2024
General grant
$1,000
Greenwich Hospital · Greenwich, CT · 2023
General grant
$1,000
Wnet · New York, NY · 2023
General grant
$1,000
Wnet · New York, NY · 2022
General grant
$700
Maine Family Planning · Augusta, ME · 2025
General grant
$700
Yarmouth Cares About Neighbors · Yarmouth, ME · 2025
General grant
$600
American Civil Liberties Union of C · Hartford, CT · 2025
General grant
$500
Ffrf · Madison, WI · 2025
General grant
$500
Macular Degeneration Res · Northampton, MA · 2025
General grant
$500
Maine Peoples Resource Center · Portland, ME · 2025
General grant
$500
Ray of Hope Foundation · Mine Hill, NJ · 2025
General grant
$500
Royal River Conservation Trust · Yarmouth, ME · 2025
General grant
$500
Southern Poverty Law Center · Montgomery, AL · 2025
General grant
$500
Macular Degeneration Res · Northampton, MA · 2024
General grant
$500
Port Chester Rye Ems · Port Chester, NY · 2024
General grant
$500
Macular Degeneration Res · Northampton, MA · 2023
General grant
$500
Caramoon Center for Music Art · Katanah, NY · 2022
General grant
$500
New York Public Radio · New York, NY · 2022
General grant
$250
Greenwich Police · Greenwich, CT · 2022
General grant

Who else funds this kind of work

Same state

Medical Center of the Rockies45 grants · $338.4M
The Colorado Health Foundation2,012 grants · $327.6M
Christian Community Foundation4,375 grants · $507.9M

Similar grant size

Fidelity Foundation7,750 grants · $457.4M
Shell USA Company Foundation24,663 grants · $80.1M
Enterprise Holdings Foundation30,880 grants · $360.4M

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.