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Sakonnet Foundation

Private foundation
DBA: % CASTLE ROCK ADVISORS
Foundations · BOSTON, MA · EIN 45-6507465

About

In care of Castle Rock Advisors

Donations are tax-deductible
Category
Foundations
Employees
—
Volunteers
—

Financial Snapshot

FY ending 2022-12-31
Revenue
—
Expenses
—
Assets
$62.3M
Liabilities
$0

Financial history

No revenue/expense data reported.

Political & Grant Activity

Campaign Spending
—
Lobbying
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Grants Given
$3.9M
SAKONNET FOUNDATION
Your actions

Address

200 Clarendon Street 35TH Floor
Boston, MA, 02116-502
Public records
ProPublica Nonprofit Explorer ↗
Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.
IRS Tax Exempt Organization Search ↗
IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.
These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.