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Grant funders / Minnesota / William Boss Foundation

William Boss Foundation

St Paul, Minnesota  ·  EIN 416038452  ·  Private foundation

William Boss Foundation is a private foundation based in St Paul, Minnesota. Its most recent IRS Form 990-PF reports $509K in grants paid and $6.2M in total assets. Bespoke Grants tracks 189 individual grants from this funder — $1.4M awarded across 2023–2025 — including its support for arts & culture. Below is its full funding profile.

$509K
Annual giving (FY2025)
$6.2M
Total assets
189
Grants tracked
2025
Most recent grant

What William Boss Foundation funds

William Boss Foundation's giving carries a documented focus on arts & culture.

Arts & Culture

Grant history

The largest grants Bespoke Grants has on record for William Boss Foundation, by amount:

RecipientLocationGrantYear
Compas Inc
GENERAL OPERATING FUND
St Paul, MN$18K2023
Compas Inc
GENERAL OPERATING FUND
St Paul, MN$18K2025
Minnesota Opera Company
GENERAL OPERATING FUND
Minneapolis, MN$18K2025
Compas Inc
GENERAL OPERATING FUND
St Paul, MN$18K2024
Park Square Theatre Company
GENERAL OPERATING FUND
St Paul, MN$15K2024
Park Square Theatre Company
GENERAL OPERATING FUND
St Paul, MN$15K2023
Neighborhood House
GENERAL OPERATING FUND
St Paul, MN$15K2025
Park Square Theatre Company
GENERAL OPERATING FUND
St Paul, MN$15K2025
Ordway Center for the Performing Arts
GENERAL OPERATING FUND
St Paul, MN$12K2025
Saint Paul Chamber Orchestra Society
GENERAL OPERATING FUND
St Paul, MN$12K2025
Saint Paul Chamber Orchestra Society
GENERAL OPERATING FUND
St Paul, MN$12K2024
Ordway Center for the Performing Arts
GENERAL OPERATING FUND
St Paul, MN$12K2024
Saint Paul Chamber Orchestra Society
GENERAL OPERATING FUND
St Paul, MN$12K2023
Ordway Center for the Performing Arts
GENERAL OPERATING FUND
St Paul, MN$12K2023
Family Means
GENERAL OPERATING FUND
Stillwater, MN$12K2025

William Boss Foundation giving by year

Total grants Bespoke Grants has indexed for each filing year:

2023$424K
2024$441K
2025$509K

How to apply for funding from William Boss Foundation

From William Boss Foundation's IRS Form 990-PF, on how it handles applications:

“PROPOSALS MAY BE SUBMITTED AT ANY TIME”

Verify the current process on the foundation's own materials before sending anything.

Is William Boss Foundation the right funder for your nonprofit?

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Frequently asked questions about William Boss Foundation

Does William Boss Foundation accept grant applications?
Yes — William Boss Foundation's IRS filing describes an application process. Confirm the current details directly with the foundation before applying.
What does William Boss Foundation fund?
William Boss Foundation's grants focus on arts & culture. Recent recipients include Compas Inc, Compas Inc, Minnesota Opera Company. Its full grant history is listed above.
How much does William Boss Foundation give in grants?
William Boss Foundation reported $509K in grants in its most recent IRS filing (FY2025). Across all years in our data it has awarded $1.4M over 189 grants.
Where is William Boss Foundation located?
William Boss Foundation is based in St Paul, Minnesota. Its IRS employer identification number (EIN) is 416038452.
How can I find foundations similar to William Boss Foundation?
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Foundations similar to William Boss Foundation

Other Minnesota grantmakers with overlapping priorities:

About this profile. This page is built from William Boss Foundation's public IRS Form 990-PF and 990 filings, indexed by Bespoke Grants alongside 13M+ grants from 225,000+ U.S. foundations. Grant figures reflect filings available to date; IRS data publishes on a 1–2 year lag. Bespoke Grants is not affiliated with William Boss Foundation. Always confirm current giving priorities and application procedures with the foundation directly before applying.