The Robert and Michelle Cooke Atchinson

Foundation · Grantmaker Winchester, MA EIN: 04-6875099

THE ROBERT AND MICHELLE COOKE ATCHINSON is based in Winchester, Massachusetts. Its IRS filing type is 990T. Its 2024 grants show support for organizations working in medical research, education, reproductive health, youth development, and community services.

Key facts about The Robert and Michelle Cooke Atchinson

In short: The Robert and Michelle Cooke Atchinson gave $6.3M across 58 grants in 2024 (avg $108K), mostly in Massachusetts. 28% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

EIN
04-6875099
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$6,268,790
Grants made (2024)
58
Average grant
$108,083
Median grant
$25,000
New grantees (estimate)
28% first-time grantees (16 of 58, 2024)
Total assets
$131,470,571
Primary geography
Massachusetts (96% of itemized 2024 grant dollars)
Accepts unsolicited proposals
No
How to apply
The funder does not accept unsolicited requests; grants are made to pre-selected organizations through an invitation-only process. Full details ↓

Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

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.

Is The Robert and Michelle Cooke Atchinson open to new grantees?

28%

first-time grantees, 2024

In 2024, 16 of 58 grantees (28%) were first-time recipients. First grants averaged $89K; repeat grants $115K. How we count

Medians: $25K first-time, $25K repeat.

  • 62% of 2024 grantees were also funded in 2023. Method
  • Giving grew 164% from 2021 to 2024. Method
  • In 2024 it paid out 94% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

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

Mission & Focus Areas

No mission statement for the funder is provided. Its 2024 grants include support for medical research, Catholic schools, reproductive health care, youth programs, and community organizations. Among its grantees, Horizons for Homeless Children says its mission is to improve the lives of homeless children and their families, while Year Up says it works to close the opportunity divide by helping young adults gain skills, experience, and support for careers and higher education. The Massachusetts Wonderfund says it serves children engaged with the Massachusetts Department of Children and Families through enrichment opportunities and emergency aid.

Grantmaking

In 2024, the funder made 58 grants totaling $6,268,790. Grants ranged from $1,000 to $2,250,000, with a median of $25,000. In 2023, it made 49 grants totaling $5,212,600; in 2022, it made 46 grants totaling $4,255,000.

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Geographic Focus

Where this funder awards grants

In 2024, 96% of grant dollars went to recipients in Massachusetts and 2% to recipients in Rhode Island. Smaller shares went to recipients in California, New York, and North Carolina.

Grant Distribution by State

5states

Share of all 58 itemized 2024 grant dollars.

Cities

BostonNantucketWorcesterBraintreeCambridgeNewtonNortonNeedhamRoxburyWinchesterHubbardstonNew YorkConcordJamaica PlainProvidenceBrightonEncinitasMalibuNorth AndoverSiasconset

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$4M$6M$8M28 grants202034 grants202146 grants202249 grants202358 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Massachusetts Eye & Ear: $2.3MMassachusetts Eye & Ear$2.3MWoods Hole Oceanographic Institution: $1.0MWoods Hole OceanographicInstitution$1.0MCampaign for Catholic Schools: $525KCampaign for Catholic Schools$525KUpstream: $300KUpstream$300KCamp Harbor View Foundation: $200KCamp Harbor View Foundation$200KNantucket Boys & Girls Club: $185KNantucket Boys & Girls Club$185KBig Brother Big Sister Central Massmetrowest: $150KBig Brother Big Sister CentralMassmetrowest$150KBoston Childrens Hospital: $125KBoston Childrens Hospital$125KThe Boston Foundation: $120KThe Boston Foundation$120KThe Catholic Schools Foundation: $100KThe Catholic SchoolsFoundation$100K

Grant Size Distribution

215 grants across all recorded years

140<$50K20$50–100K34$100–250K10$250–500K5$500K–1M6$1–5M$5M+

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
MASSACHUSETTS EYE & EAR Boston, MAINCREASE MEDICAL RESEARCH$2,250,000
WOODS HOLE OCEANOGRAPHIC INSTITUTION Woods Hole, MAGENERAL SUPPORT$1,000,000
CAMPAIGN FOR CATHOLIC SCHOOLS Braintree, MATO STRENGTHEN & SUPPORT CATHOLIC ELEMENTARY SCHOOLS IN BOSTON NEIGHBORHOODS.$525,020
UPSTREAM Boston, MATO IMPROVE AND CHANGE REPRODUCTIVE HEALTH CARE$300,000
CAMP HARBOR VIEW FOUNDATION Boston, MATO SUPPORT SUMMER CAMPS AND ACTIVITES PROVIDED TO BOSTON'S AT-RISK NEIGHBORHOODS.$200,000
NANTUCKET BOYS & GIRLS CLUB Nantucket, MATO EMPOWER THE YOUTH OF NANTUCKET TO REACH THEIR FULL POTENTIAL.$185,000
BIG BROTHER BIG SISTER CENTRAL MASSMETROWEST Worcester, MASUPPORT MENTORING FOR CHILDREN THROUGHOUT CENTRAL MASSACHUSETTS.$150,000
BOSTON CHILDRENS HOSPITAL Boston, MAGENERAL SUPPORT FOR MEDICAL RESEARCH AND SUPPORT$125,000
THE BOSTON FOUNDATION Boston, MAIMPROVING BOSTON AREA NONPROFITS$120,000
THE CATHOLIC SCHOOLS FOUNDATION Boston, MATO SUPPORT CATHOLIC SCHOOLS.$100,000

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grant sum Grant count
2024 $131,470,571 $32,169,258 $7,946,719 $6,268,790 58
2023 $107,933,032 $29,614,165 $6,560,408 $5,212,600 49
2022 $84,724,275 $2,266,574 $16,645,317 $4,255,000 46
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$10M$20M$30M$40M20202021202220232024
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

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Robert G. Atchinson, Michelle Cooke Atchinson, Daniel S. Atchinson, Katherine M. Atchinson, and Christine J. Athens as trustees.

The Robert and Michelle Cooke Atchinson's 2024 filing lists 5 officers; none of the 5 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Christine J. Athens

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Daniel S. Atchinson

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Katherine M. Atchinson

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Michelle Cooke Atchinson

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Robert G. Atchinson

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Contact

Mailing address: 16 Niles Lane, Winchester, MA 01890
Phone: (781) 863-0458

Frequently asked questions about The Robert and Michelle Cooke Atchinson

How much does The Robert and Michelle Cooke Atchinson give each year?

The Robert and Michelle Cooke Atchinson gave $6.3M across 58 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $5.2M across 49 grants.

What is The Robert and Michelle Cooke Atchinson's typical grant size?

The Robert and Michelle Cooke Atchinson's median grant in 2024 was $25,000, and its average grant was $108,083, across 58 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Robert and Michelle Cooke Atchinson that year got $89K on average.

Where does The Robert and Michelle Cooke Atchinson give grants?

The Robert and Michelle Cooke Atchinson gives mostly in Massachusetts: 96% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Boston, MA (18 grants), Nantucket, MA (5 grants), Braintree, MA (3 grants) and Worcester, MA (3 grants).

Does The Robert and Michelle Cooke Atchinson give general operating support?

Yes: 29% of The Robert and Michelle Cooke Atchinson's 2024 grants with a stated purpose (17 of 58) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are The Robert and Michelle Cooke Atchinson's largest grantees?

The Robert and Michelle Cooke Atchinson's largest 2024 grantees include Massachusetts Eye & Ear ($2,250,000), Woods Hole Oceanographic Institution ($1,000,000) and Campaign for Catholic Schools ($525,020), according to its 2024 IRS Form 990-PF. Together they received 60% of its itemized 2024 grant dollars.

How large is The Robert and Michelle Cooke Atchinson?

The Robert and Michelle Cooke Atchinson reported $131.5M in total assets on its 2024 IRS Form 990-PF. It paid out $6.3M in qualifying distributions that year, against a required minimum of $6.7M (roughly 5% of its investment assets).

What does The Robert and Michelle Cooke Atchinson fund?

No mission statement for the funder is provided. Its 2024 grants include support for medical research, Catholic schools, reproductive health care, youth programs, and community organizations. Among its grantees, Horizons for Homeless Children says its mission is to improve the lives of homeless children and their families, while Year Up says it works to close the opportunity divide by helping young adults gain skills, experience, and support for careers and higher education. The Massachusetts W…

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

The funder does not accept unsolicited requests; grants are made to pre-selected organizations through an invitation-only process. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

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.

Does The Robert and Michelle Cooke Atchinson accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

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

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