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

Under IRS private-foundation payout rules, The Robert and Michelle Cooke Atchinson reported a distributable amount of $6.7M for 2024 — the minimum it must pay out in qualifying distributions.

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

Among its reported 2024 grants, the largest include Massachusetts Eye & Ear ($2,250,000), Campaign for Catholic Schools ($525,020), Upstream ($300,000).

RecipientPurposeAmount
CAMPAIGN FOR CATHOLIC SCHOOLS BRAINTREE, MATO STRENGTHEN & SUPPORT CATHOLIC ELEMENTARY SCHOOLS IN BOSTON NEIGHBORHOODS.$525,020
CAMP HARBOR VIEW FOUNDATION BOSTON, MATO SUPPORT SUMMER CAMPS AND ACTIVITES PROVIDED TO BOSTON'S AT-RISK NEIGHBORHOODS.$200,000
HORIZONS FOR HOMELESS CHILDREN ROXBURY, MATO IMPROVE THE LIVES OF YOUNG HOMELESS CHILDREN IN MASSACHUSETTS$85,000
MASSACHUSETTS EYE & EAR BOSTON, MAINCREASE MEDICAL RESEARCH$2,250,000
NANTUCKET COTTAGE HOSPITAL FOUNDATION NANTUCKET, MAGENERAL SUPPORT FOR MEDICAL RESEARCH AND SERVICES$50,000
RON BURTON TRAINING VILLAGE HUBBARDSTON, MATO ENRICH THE LIVES OF CHALLENGED YOUTH IN AREAS OF CHARACTER AND LEADERSHIP$40,000
UPSTREAM BOSTON, MATO IMPROVE AND CHANGE REPRODUCTIVE HEALTH CARE$300,000
MASSACHUSETTS GENERAL HOSPITAL BOSTON, MAENSURE THAT DIVERSE PATIENTS AND FAMILIES RECEIVE HIGH QUALITY HEALTH CARE$10,000
BOSTON SYMPHONY ORCHESTRA BOSTON, MATO SUPPORT EDUCATION AND COMMUNITY PROGRAMS AIMED TO INCREASE ACCESS TO AND PASSION FOR ORCHESTRAL MUSIC$35,000
MARANYUNDO INITIATIVE CAMBRIDGE, MAPROVIDING ACCESS TO AND EXCELLENCE IN GIRLS' EDUCATION IN RWANDA$20,000

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

Frequently Asked Questions

What does The Robert and Michelle Cooke Atchinson fund?

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 He…

How do I apply for a grant from The Robert and Michelle Cooke Atchinson?

**Grant Characteristics:** • Grant range: $50,000 to $2,000,000+ • Median grant: $25,000 • Average grant: $950 to $1,875,000 (varies by year) • Annual giving: $5.2 million to $6.3 million **Application Process:** 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 sele…

Where does The Robert and Michelle Cooke Atchinson make grants?

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

What size grants does The Robert and Michelle Cooke Atchinson award?

In 2024, The Robert and Michelle Cooke Atchinson awarded 58 grants totaling $6.3M — an average of about $108K per grant, based on its IRS Form 990 filings.

How much is The Robert and Michelle Cooke Atchinson required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, The Robert and Michelle Cooke Atchinson reported a distributable amount of $6.7M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Robert and Michelle Cooke Atchinson's EIN?

The Robert and Michelle Cooke Atchinson's EIN (Employer Identification Number) is 04-6875099. IRS Form 990 filing data is available on this page for 2020–2024.

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

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