Private Foundation

PETER AND ANN LAMBERTUS FAMILY FOUNDATIO C/O BARTLETT PC

PETER AND ANN LAMBERTUS FAMILY FOUNDATIO C/O BARTLETT PC is a private foundation categorized as Private Foundation based in NORWOOD, MA. Its most recent IRS filing (2024) reports revenue of $46.6M, expenses of $14.2M, total assets of $297.9M. Imperigo tracks 413 reported grants from this foundation totaling approximately $76.9M.

EIN: 823794617 NORWOOD, MA Latest filing: 2024

Total Revenue$46.6M

Total Expenses$14.2M

Total Assets$297.9M

Grants Given413

Grant Total$76.9M

Filing Years2020–2024

Sample Grants Given

MASSACHUSETTS GENERAL HOSPITAL

BOSTON, MA · 2024

GENERAL SUPPORT

$6,000,000

PURDUE FOUNDATION

W LAFAYETTE, IN · 2024

GENERAL SUPPORT

$6,000,000

HARWICH CONSERVATION TRUST

HARWICH, MA · 2024

GENERAL SUPPORT

$500,000

LYNCHBURG HUMANE SOCIETY

LYNCHBURG, VA · 2024

GENERAL SUPPORT

$120,000

LEXINGTON ARTS & CRAFTS SOCIETY

LEXINGTON, MA · 2024

GENERAL SUPPORT

$100,000

Showing up to 5 of 413 total records — full history available with membership.

Officers & Directors

DIRECTOR Ann W Lambertus

TREASURER & CLERK Edward J Bartlett Jr

PRESIDENT Peter K Lambertus

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL SUPPORT

$76,767,000 407 grants

GENERAL SUPPORTS

$120,000 6 grants

Financial Trends

Year	Revenue	Expenses	Assets
2024	$46.6M	$14.2M	$297.9M
2023	$9.4M	$14.7M	$265.6M
2022	$3.3M	$12.7M	$270.8M
2021	$23K	$16.1M	$280.3M
2020	$16.0M	$14.7M	$296.3M

Between 2020 and 2024, reported annual revenue grew from $16.0M to $46.6M (+190%), with total assets most recently reported at $297.9M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AZ, CA, CO, DC, FL, GA, and 4 other states.

AZCACODCFLGAINKYLAMA

Full geographic grant map with state-by-state breakdown available with membership.

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Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports