Mannion Family Foundation

Private foundation · Grantmaker Boston, MA EIN: 04-3522053

Mannion Family Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $14.2M in total assets. Net investment income was $228K.

Key facts about Mannion Family Foundation

EIN
04-3522053
Latest 990 filing
Form 990-PF, 2024
Total assets
$14,230,396

Data from IRS Form 990-PF, 2024; updated October 2026.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$14.2M

+120.0% YoY

Revenue

$7.8M

+4315.1% YoY

Net Investment Income

$228K

+38.8% YoY

Expenses

$32K

-73.5% YoY

Under IRS private-foundation payout rules, Mannion Family Foundation reported a distributable amount of $378K for 2024 — the minimum it must pay out in qualifying distributions.

How Mannion Family Foundation gives

  • Giving fell 99% from 2020 to 2023. Method
  • In 2023 it paid out 33% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Your AI grants department

Ready to take the next step with Mannion Family Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Cities

BostonAndoverBelmontNew YorkPrinceton

Giving Over Time

Total grant dollars and number of grants per year

$0$5M$10M$15M11 grants2020 0 grants2021 0 grants2022 1 grant2023 0 grants2024

From 2020 to 2023, annual grant giving ranged from $100K (2023) to $14.9M (2020). In 2023 it made 1 grant totaling $100K.

Grant Insights

How this funder distributes its grants

Grant Size Distribution

12 grants across all recorded years

1<$50K$50–100K3$100–250K2$250–500K2$500K–1M4$1–5M$5M+

The most common grant size was in the $1–5M range: 4 grants of 12 (33%).

Giving History

Grant recipients and amounts by year

No grants recorded for 2024.

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$5M$10M$15M$20M2020 2021 2022 2023 2024
Metric202420232022
Total Assets$14,230,396$6,469,144$6,415,258
Revenue$7,793,736$176,525$-62,322
Expenses$32,476$122,639$21,077
Qualifying Distributions—$100,000—
Net Investment Income$227,676$163,985$89,685
Distributable Amount$377,818$302,206$290,760

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Officers and directors from IRS filings

Mannion Family Foundation's 2024 filing lists 3 officers; none of the 3 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Martin J. Mannion

    Trustee

    On filings since 2020

    No compensation reported

  • Robert G. Bannish

    Trustee

    On filings since 2020

    No compensation reported

  • Tristin L. Mannion

    Trustee

    On filings since 2020

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Mannion Family Foundation

How large is Mannion Family Foundation?

Mannion Family Foundation reported $14.2M in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $7.8M.

Where does Mannion Family Foundation operate?

Mannion Family Foundation has awarded grants in Massachusetts, New Jersey, New York.

How much is Mannion Family Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Mannion Family Foundation reported a distributable amount of $378K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Mannion Family Foundation's EIN?

Mannion Family Foundation's EIN (Employer Identification Number) is 04-3522053. IRS Form 990 filing data is available on this page for 2020–2024.

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

Your AI grants department

Here's the math on researching Mannion Family Foundation by hand.

Explore Open Grants

Browse active grant opportunities in Mannion Family Foundation's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

The Ashurst Foundation

Boston, MA

The Boston-based Ashurst Foundation gives to preselected charitable organizations; reported giving ranged from about $35,600 per grant in 2023 to one grant of $3.25 million in 2024, and its grant locations are not specified. It does not accept unsolicited requests.

Assets

$21.1M

Grants

1

Total Given

$3.2M

Riley Mabel Louise Tr Uwill

Pittsburgh, PA

The foundation supports children and youth, education, human services, arts access, job training, foster care, affordable housing, and neighborhood revitalization. Its main grants to Massachusetts nonprofits serving Boston are typically $50,000–$100,000; its Greater Dudley small-grants fund generally awards $500–$5,000. Whether it accepts unsolicited requests is not stated.

Assets

$47.3M

Grants

69

Total Given

$3.7M

The Red Elm Tree Foundation

Lincoln, MA

The Red Elm Tree Foundation supports a varied range of organizations, including arts and music groups, conservation organizations, and public media, with most of its giving going to Massachusetts. In 2025, it awarded 15 grants of $500 to $27,500, with a median grant of $5,000. It funds only preselected charitable organizations and does not accept unsolicited requests.

Assets

$16.7M

Grants

15

Total Given

$101K

The Bigbird Fund

Boston, MA

The Bigbird Fund supports a varied mix of charitable organizations, including arts, education, health, food relief, and conservation groups, primarily in Massachusetts and Rhode Island, with some grants elsewhere. Its 2025 grants ranged from $1,000 to $34,000, with a median of $6,700. It does not accept unsolicited requests and gives only to preselected organizations.

Human Services

Assets

$5K

Grants

20

Total Given

$175K

The Hagerty Family Foundation

Cambridge, MA

The Hagerty Family Foundation supports arts, education, and military and family support organizations, with 2024 grants ranging from $1,000 to $360,000 and a median of $25,000. It is based in Cambridge, Massachusetts, and its 2024 grants went mainly to organizations in Massachusetts, New York, Rhode Island, Virginia, and Indiana. It funds only preselected charities and does not accept unsolicited requests.

Assets

$6.2M

Grants

28

Total Given

$1.2M

John W Henry Family Foundation Inc

Boca Raton, FL

The John W. Henry Family Foundation supports education, health care, arts and culture, and community services, often funding organizations’ operations. Its 2024 grants ranged from $1,000 to $800,000, with a median of $10,000, and most funding went to Massachusetts, with additional grants in Florida, New York, and Washington, DC. It does not accept unsolicited requests and gives only to preselected organizations.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.2M

Grants

30

Total Given

$1.7M

Karp Family Foundation Stephen R

Boston, MA

The Karp Family Foundation Stephen R. and supports charitable organizations in areas including education and human services, with most 2025 funding going to Massachusetts and New York. Its 2025 grants ranged from $100 to $500,000, with a median of $20,000; it funds only preselected organizations and does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$918K

Grants

31

Total Given

$2.0M

Rowland Foundation Inc

Boston, MA

The Rowland Foundation funds charitable, scientific, literacy, and educational organizations, with most of its giving going to Massachusetts, especially the Boston area. In 2025, grants ranged from $6,000 to $200,000, with a median of $50,000; the filing says it does not restrict giving to preselected organizations, but does not state whether it accepts unsolicited requests.

Assets

$36.2M

Grants

41

Total Given

$2.3M

The Edgerley Family Foundation

Overland Park, KS

The Edgerley Family Foundation supports education, youth development, health care, and charitable organizations, with most 2024 grant dollars going to Massachusetts and Kansas. Its 2024 grants ranged from $500 to $13 million, with a median of $10,000. It funds only preselected organizations and does not accept unsolicited requests.

Assets

$239.1M

Grants

101

Total Given

$35.4M

ONE8 Foundation

Boston, MA

ONE8 Foundation funds applied learning in K–12 and postsecondary education, Jewish communities and Israel, local community support, and epilepsy research and care, with grants concentrated in Massachusetts but also reaching organizations nationally. Its 2024 grants ranged from $1,000 to $3 million, with a median of $50,000. It does not accept unsolicited requests and funds only preselected 501(c)(3) organizations, though it may periodically invite small grant proposals.

Assets

$401.1M

Grants

188

Total Given

$48.8M

The Red SOX Foundation Inc

Boston, MA

The Red Sox Foundation funds children, veterans, families, and communities through health, education, and recreation programs, with typical program support of $1,000–$5,000; its 2024 grant median was $15,000. It supports organizations in New England and Lee County, Florida, and accepts unsolicited requests through application forms for program grants and event sponsorships.

Assets

$27.3M

Grants

53

Total Given

$5.1M

Eastern Bank Foundation

Wakefield, MA

Eastern Bank Foundation supports economic inclusion and mobility, including small businesses, early childhood development, affordable housing, and workforce development. Its 2025 grants ranged from $50 to $2,002,500, with a median of $2,500, primarily in Massachusetts and also in New Hampshire and Rhode Island. It accepts online applications and does not limit giving to preselected organizations.

Assets

$266.7M

Grants

1,786

Total Given

$19.0M

More Funders in Massachusetts

Mannion Family Foundation down — hundreds of funders to go?

Want AI to do this for you?