The Robert and Michelle Cooke Atchinson

WINCHESTER, MA EIN: 04-6875099

The Robert and Michelle Cooke Atchinson Foundation is a private family foundation established in 1998 and based in Winchester, Massachusetts. Founded by Robert Atchinson, co-founder of Boston-based Adage Capital Management, and his wife Michelle, the foundation operates as a selective grantmaker focused on education, youth development, health, and human services.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$131.5M

+21.8% YoY

Annual Giving

$6.3M

+20.3% YoY

Grant Count

58

+18.4% YoY

Avg Grant Size

$108K

+1.6% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's primary giving focuses on:

  • Education & Youth Development — Educational equity initiatives, college access and career readiness programs, youth development and mentoring programs, and Catholic education initiatives
  • Children's Services — Support for children's hospitals and youth organizations
  • Health & Medical Research — General support for medical research and health initiatives
  • Social Services — Human services and community support programs
  • Global Health — Select global health initiatives

Grantmaking

The foundation does not accept unsolicited applications or letters of inquiry. All grants are made to pre-selected charitable organizations through an invitation-only process. The foundation takes a highly selective, proactive approach to grantmaking, with trustees identifying and selecting grantees based on strategic priorities.

Grant Range

$50,000 to $2,000,000+

Average Grant

$950 to $1,875,000 (varies by year)

How to Apply

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Geographic Focus

Where this funder awards grants

The foundation primarily supports organizations in the Greater Boston area and Massachusetts, with additional interests in global health initiatives.

Grant Distribution by State

5states

Cities

BedfordBostonBraintreeBrightonBrocktonBrooklineCambridgeCharlestownCharlotteConcordEncinitasFall RiverHubbardstonJamaica PlainMalibuNantucketNeedhamNew YorkNewtonNorth Andover

Financial History

Multi-year comparison from IRS filings

Assets & Giving (2024):

  • Total assets: $131,470,571
  • Total giving: $6,268,790
  • Total revenue: $32.2 million
  • Total expenses: $7.95 million

Assets & Giving (2023):

  • Total assets: $107,933,032
  • Total giving: $5,212,600 to $5,223,777
  • Total revenue: $29,614,165
  • Total expenses: $6,560,408
  • Giving rate: 4.8% to 5.4% of assets

Contact Information:

  • Address: 16 Niles Lane, Winchester, MA 01890-3550
  • Telephone: 781-863-0458
  • EIN: 04-6875099
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$9M$18M$27M$35M20202021202220232024
Metric202420232022
Total Assets$131,470,571$107,933,032$84,724,275
Revenue$32,169,258$29,614,165$2,266,574
Expenses$7,946,719$6,560,408$16,645,317
Qualifying Distributions$6,289,312$5,223,777$4,274,645
Net Investment Income$31,011,851$28,316,765
Distributable Amount$6,702,326$5,563,240$5,129,925

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$3M$5M$6M28 grants202034 grants202146 grants202249 grants202358 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

MASSACHUSETTS EYE & EAR$2.3MCAMPAIGN FOR CATHOLIC SC…$525KUPSTREAM$300KCAMP HARBOR VIEW FOUNDAT…$200KNANTUCKET BOYS & GIRLS C…$185KBIG BROTHER BIG SISTER C…$150KBOSTON CHILDRENS HOSPITAL$125KTHE BOSTON FOUNDATION$120KTHE CATHOLIC SCHOOLS FOU…$100KSHARE WINTER FOUNDATION$100K

Grant Size Distribution

207 grants across all recorded years

133<$50K20$50–100K34$100–250K10$250–500K5$500K–1M5$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

The foundation is governed by the Atchinson family:

  • Robert G. Atchinson — Trustee, co-founder and managing director of Adage Capital Management, chair of Massachusetts Eye and Ear, chair of the board of the Campaign for Catholic Schools
  • Michelle Cooke Atchinson — Trustee, volunteer reading tutor at Lower Mills School in Dorchester, serves on the Strategic Advisory Committee for Upstream
  • Daniel S. Atchinson — Trustee
  • Katherine M. Atchinson — Trustee
  • Christine J. Athens — Trustee

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
ROBERT G ATCHINSONTRUSTEE1
MICHELLE COOKE ATCHINSONTRUSTEE1
DANIEL S ATCHINSONTRUSTEE1
KATHERINE M ATCHINSONTRUSTEE1
CHRISTINE J ATHENSTRUSTEE1

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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