The Jacob & Ruth Mazer Foundation

DENVER, CO EIN: 13-6115875

The Jacob & Ruth Mazer Foundation is a private foundation, based in DENVER, CO. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $337K in total assets. In 2024, it awarded 11 grants totaling $37K. Net investment income was $18K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$337K

-5.4% YoY

Annual Giving

$37K

+46.0% YoY

Grant Count

11

+22.2% YoY

Avg Grant Size

$3K

+19.5% YoY

About The Jacob & Ruth Mazer Foundation

Based on IRS filings

The Jacob & Ruth Mazer Foundation is a private foundation, based in DENVER, CO. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $337K in total assets. In 2024, it awarded 11 grants totaling $37K. Net investment income was $18K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

10states
+2 more states

Cities

AugustaBronxCos CobDenverGreenwichHartfordKatanahLewistonMadisonMaryland HeightsMontgomeryNew YorkNorthamptonPhoenixPort ChesterRiversideRound HillYarmouth

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$13K$27K$40K$54K20202021202220232024
Metric202420232022
Total Assets$337,040$356,361$369,159
Revenue$23,732$19,929$35,251
Expenses$43,053$32,727$45,578
Qualifying Distributions$36,800$25,200$39,250
Net Investment Income$17,670$13,749$30,337
Distributable Amount$29,277$25,344$24,995

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$29K$39K24 grants202012 grants202110 grants20229 grants202311 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

JEWISH EXPERIENCE$9KJEWISH COLORADO$6KPLANNED PARENTHOOD$5KACLU FOUNDATION$5KCIVIC CANOPY$4KOSBORNE ASSOCIATION$3KYALE ALUMNI$3KGREENWICH HOSPITAL$1KDENVER MUSEUM OF NATURE …$1KMACULAR DEGENERATION RES$500

Grant Size Distribution

66 grants across all recorded years

66<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
MICHAEL MAZERPresident
HARRIET MAZERTreasurer

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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