Public Charity

Longwood Research Institute Inc

Longwood Research Institute Inc is a nonprofit organization categorized as Public Charity based in Boston, MA. Its most recent IRS filing (2025) reports expenses of $309K, total assets of $82.2M.

EIN: 042781368 Boston, MA Human Services NTEE: P Latest filing: 2025

Total Expenses$309K

Total Assets$82.2M

Grant Records0

Filing Years2021–2025

Mission

Longwood Research Institute, Inc. works to promote and expand human knowledge in the field of medical science, public health and the health and welfare of infants, children, adolescents and adults by directly engaging in the continuous active conduct of medical and other scientific research by means of investigations, experiments, and studies within the associated disciplines spanning the medical sciences to discover, develop, verify or clarify knowledge and understanding. It also holds, owns, maintains, improves, and operates real property for the benefit of The Children's Hospital Corporation.

Where $100 goes at Longwood Research Institute Inc

How Longwood Research Institute Inc divides every $100 it spends, from its own Form 990 filings, averaged across 6 years.

$99 Programs the work itself

$1 Management running the organization

$0 Fundraising none reported

No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.

Inside the $99 for programs

$99

Longwood Research Institute, Inc

All program spending

Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Officers & Directors

Clerk & Trustee Christopher Viney Jd

Chairman Douglas Berthiaume

Treasurer & Trustee Douglas Vanderslice

President & Trustee Kevin Churchwell Md

Former Clerk & Trustee Michele Garvin Esq

Former President & Trustee Sandra Fenwick

Officer compensation and complete director data available with membership.

Financial Trends

Year	Revenue	Expenses	Assets
2025	—	$309K	$82.2M
2024	$1.3M	$441K	$82.5M
2023	$2.0M	$568K	$81.7M
2022	$4.3M	$461K	$80.3M
2021	$432K	$528K	$76.4M

Between 2021 and 2024, reported annual revenue grew from $432K to $1.3M (+198%), with total assets most recently reported at $82.2M.

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

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