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Boston, MA · 2025 filing

Shirley Shattuck Windsor Charitable

Accepts applications

Shirley Shattuck Windsor Charitable accepts grant applications.

Its most recent filing reports $360K given across sixteen grants.

A typical grant is around $15K.

It funds animal welfare.

What they give

$360K
Total giving
16
Grants made
$15K
Typical grant
$135K
Largest grant

From their 2025 Form 990-PF. Foundations file annually, so these figures describe a year that has already closed.

What their grants run

The sixteen grants itemized on their 2025 filing, by size. Half of them landed between $5K and $35K, which is the range to judge your own ask against.

0
1
11
3
1
0
Under $1K$1K–5K$5K–25K$25K–100K$100K–1MOver $1M
Itemized grants on the 2025 filing, bucketed by grant size.

Where the money went

Grants on the 2025 filing stayed close to home: Massachusetts ($360K).

What they fund

Based on where their grants went.

  • Animal Welfare

Recent giving reached Massachusetts.

Find more about this foundation in Quillify

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  • All 16 grants, with recipient and amount
  • Who they fund that looks like you
  • Are you eligible? Read from the actual filing
  • Their deadline, on a calendar with lead time
  • A proposal drafted to what they actually fund
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