The Mattis Family Foundation

GREENWICH, CT EIN: 35-2765948

The Mattis Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. IRS filing data is available from 2022 through 2024. As of 2024, the organization holds $344K in total assets. In 2024, it awarded 1 grants totaling $10K. Net investment income was $7K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$344K

-2.3% YoY

Annual Giving

$10K

+100.0% YoY

Grant Count

1

+0.0% YoY

Avg Grant Size

$10K

+100.0% YoY

About The Mattis Family Foundation

Based on IRS filings

The Mattis Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. IRS filing data is available from 2022 through 2024. As of 2024, the organization holds $344K in total assets. In 2024, it awarded 1 grants totaling $10K. Net investment income was $7K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1states

States

Cities

GreenwichOld Greenwich

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$94K$188K$282K$376K202220232024
Metric202420232022
Total Assets$343,733$351,734$334,578
Revenue$24,193$27,125$341,868
Expenses$32,206$16,797
Qualifying Distributions$15,997$8,365
Net Investment Income$6,547$154,555$20,725
Distributable Amount$20,168$15,520$2,032

Giving Over Time

Total grant dollars and number of grants per year

$0$3K$5K$8K$10K0 grants20221 grants20231 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 1 recipients in 2024

THE NATIONAL AUDUBON SOC…$10K

Grant Size Distribution

2 grants across all recorded years

2<$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
KATHRYN MATTISCHAIRMAN & SECRETARTY0.25
PETER MATTISTREASURER0.25

Subject Areas

Focus areas based on grantmaking activity

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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