Macdonald Stewart Foundation

Gave $1.4M in 2025

Montreal, · EIN 98-0032043 · Private foundation

Grants paid (2025)$1.4M

Organizations funded5

Typical grant$370,508

Total assets$36.7M

Half of its grants to organizations were between $105,566 and $401,572.

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From the return

How to apply

The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):

Contact	Thomas Leslie
Address	1195 Sherbooke Street West, Montreal Ca
Phone	(514) 284-0723
Email	tleslie@msfoundation.org
Form and materials	Project information
Deadlines	December 31
Restrictions	None

Wording as filed; text the foundation typed in capitals is shown in normal case. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.

What it funds

Share of grant lines on the latest return, classified from the purpose each grant states.

Arts & Culture3
Education1

Grants paid in tax year 2025

Recipient	Location	Purpose	Amount
Mccord Stewart Museum	Montreal, CA	Museum operational funding	$526,794
Other Canadian Charities	Montreal, CA	Canadian charities operational funding	$401,572
Lake St Louis Historical Society	Montreal, CA	Museum operational funding	$370,508
Mcgill University	Montreal, CA	Educational institution	$105,566
Name withheld	Montreal, CA	Museum operational funding	$42,942

Name withheld: we could not match the recipient to an IRS-registered organization, and the name may be a person's. Amount, place and purpose are as filed.

Giving by year

Tax year	Grants paid	Grant lines
2025	$1,447,382	5
2024	$1,531,558	5
2023	$1,475,644	6
2022	$1,452,637	6
2021	$1,392,115	7
2020	$1,438,928	5

Sources

IRS Form 990-PF, tax year 2025, filed Sep 1, 2026 - IRS e-file batch, object ID 202602459349100000
IRS Tax Exempt Organization Search for EIN 98-0032043
Profile updated Nov 11, 2026

Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.