1. Directory of nonprofits
  2. Locations
  3. Massachusetts
  4. Massachusetts private foundations

Massachusetts private foundations

There are 4,519 private foundations in Massachusetts. Combined, these Massachusettsan private foundations employ 680 people, earn more than $6 billion in revenue each year, and have assets of $37 billion.
Skip to:
Related directory pages:

Types of private foundations in Massachusetts

Nonprofit typeNumberRevenues
Private foundations
 
4,519
 
$6,257,033,072
Corporate foundations
 
90
 
$1,848,762,109
Showing 2 of 2 categories

Private foundations by major Massachusetts cities

Metro areaNonprofitsRevenues
Boston
 
3,499
 
$5,735,525,353
Worcester
 
334
 
$112,196,095
Springfield, MA
 
251
 
$159,000,667
Providence, RI
 
153
 
$71,738,002
Barnstable Town
 
147
 
$64,204,969
Pittsfield
 
96
 
$103,238,938
Showing 6 of 6 metros

Sizes of private foundations in Massachusetts

Revenues per organizationNumber of organizations
< $250k
 
2,592
$250k to $1M
 
677
$1M to $5M
 
390
$5M to $25M
 
139
$25M to $100M
 
39
$100M+
 
3
Key takeaways for revenue stats:

Directory of private foundations in Massachusetts

Want to add filters to this list, or drill down on results in detail? Open in the Cause IQ search interface
1-20 of 4,519

MWC Foundation

The MWC Foundation, based in Boston, funds general support initiatives and made 91 grants last year, including to Fidelity Investments Charitable Gift Fund.
Revenue
$11.9m
Assets
$23.8m
Employees
0
EIN
22-2914691
IRS type
501(c)(3)

Richard and Susan Smith Family Foundation

The Richard and Susan Smith Family Foundation is committed to effecting permanent positive change in the lives of the residents of Greater Boston, particularly individuals and families in economically disadvantaged communities.
Revenue
$28.3m
Assets
$302.9m
Employees
6
EIN
23-7090011
IRS type
501(c)(3)

The Summer Isle Foundation

The Summer Isle Foundation is a family foundation of the Barnes family in Woburn, MA, that primarily funds activities to promote its charitable purpose, and has supported grantees such as Lawrence Academy, making two grants last year.
Revenue
$20.6m
Assets
$37.0m
Employees
0
EIN
81-3882939
IRS type
501(c)(3)

Gordon Hall III Family Foundation

The Gordon Hall III Family Foundation is a Boston-based family foundation supporting nonprofits with general operating grants, including the Forest Society of Maine.
Revenue
$12.9m
Assets
$12.7m
Employees
0
EIN
93-4970548
IRS type
501(c)(3)

Sandy Beach Foundation

The Sandy Beach Foundation is a private foundation located in Boston, MA. It funds primarily operating support and made one grant last year. Grantees include Fidelity Charitable Gift Fund.
Revenue
$19.3m
Assets
$65.3m
Employees
0
EIN
47-3359784
IRS type
501(c)(3)

Jacobson Family Foundation Trust

The One8 Foundation is a Boston family foundation funding education, community, health, and youth programs, including the One8 Applied Learning Hub.
Revenue
$64.5m
Assets
$401.1m
Employees
22
EIN
04-6836735
IRS type
501(c)(3)

Nancy Lurie Marks Family Foundation

The Foundation is committed to understanding autism from a scientific perspective, increasing opportunities and services available to the autism community and educating the public about autism.
Revenue
$13.7m
Assets
$119.9m
Employees
6
EIN
04-2607232
IRS type
501(c)(3)

Plum Bush Foundation

The Plum Bush Foundation is a private foundation located in Millis, MA. It primarily funds unrestricted grants and made three grants last year. Its grantees include the Yellowstone Club Community Foundation and others.
Revenue
$11.9m
Assets
$16.3m
Employees
0
EIN
87-6783468
IRS type
501(c)(3)

Mac Five Foundation

The Mac Five Foundation is a Lincoln, MA-based family foundation funding general support in science, technology, and medicine, with recent grants to multiple organizations.
Revenue
$34.7m
Assets
$103.2m
Employees
0
EIN
36-4507175
IRS type
501(c)(3)

Observatory Hill Foundation

The Observatory Hill Foundation is a private nonprofit foundation located in Boston, MA, and it receives support from Jerold S Kayden.
Revenue
$20.7m
Assets
$55.5m
Employees
0
EIN
99-3543205
IRS type
501(c)(3)

TJX Foundation

The TJX Foundation is a corporate foundation located in Framingham, MA and supported by The TJX Companies Inc. It made one grant last year as a nonprofit organization.
Revenue
$34.4m
Assets
$77.2m
Employees
0
EIN
04-2399760
IRS type
501(c)(3)

Edward C. Johnson Fund

The Edward C. Johnson Fund, a Boston-based corporate foundation, supports endowment, operating costs, property care, and preservation with grants to nonprofits.
Revenue
$84.1m
Assets
$563.9m
Employees
1
EIN
04-6108344
IRS type
501(c)(3)

Perfect Seas Foundation

The Perfect Seas Foundation is a private foundation located in Boston, MA. The foundation primarily invests its money in stocks, and it earned $50,000 in dividends last year, so it gave $10,000 to a grantee.
Revenue
$12.9m
Assets
$123.9m
Employees
0
EIN
84-3835636
IRS type
501(c)(3)

Cheryl Spencer Memorial Foundation

The Cheryl Spencer Memorial Foundation is a Newburyport, MA family foundation funding charitable grants from investment income, including 17 grants last year.
Revenue
$14.4m
Assets
$25.9m
Employees
0
EIN
04-6360057
IRS type
501(c)(3)

The Casey and Family Foundation

The The Casey and Family Foundation is a private foundation located in Harvard, MA that made 26 grants last year. Grantees include the Mit Cancer Research Fund. Trustees are Curtis W Marble, Edward S Heald, and David C Marble.
Revenue
$36.3m
Assets
$28.0m
Employees
0
EIN
27-6364101
IRS type
501(c)(3)

Hamoui Foundation

Private foundation in MA funding k-1 and general charitable contributions for lung cancer detection and treatment, with 11 grants made last year.
Revenue
$9.1m
Assets
$49.8m
Employees
0
EIN
27-3280120
IRS type
501(c)(3)

Telemachus and Irene Demoulas Family Foundation

The Telemachus and Irene Demoulas Family Foundation is a private foundation that is located in Chelmsford, MA. The Foundation makes annual grants to a Corpus of $2,441,916.
Revenue
$6.5m
Assets
$201.2m
Employees
0
EIN
04-3582759
IRS type
501(c)(3)

Polynate Foundation

The Polynate Foundation is a private foundation that primarily funds community good. Its purpose is to increase in value for charitable purposes. Grantees include Morgan Stanley Global Impact Funding Trust. It made one grant last year.
Revenue
$5.3m
Assets
$19.1m
Employees
0
EIN
27-6958071
IRS type
501(c)(3)

The Bromley Charitable Trust

The Bromley Charitable Trust is a private foundation that provides grants to Lion Guardian Us. It made 33 grants last year and is supported by Duncan Mcfarland. It is located in Westwood, MA.
Revenue
$6.8m
Assets
$13.8m
Employees
1
EIN
04-3237138
IRS type
501(c)(3)

Ruderman Family Foundation

The Ruderman Family Foundation promotes mental health, social justice, and strategic philanthropy for individuals with disabilities and enhances understanding within the Jewish community.
Revenue
$8.7m
Assets
$163.6m
Employees
9
EIN
04-3334973
IRS type
501(c)(3)
Want more insights on private foundations in Massachusetts?
There's a whole lot more to Cause IQ than what you see here. Additional filters, personnel information, peer benchmarking, Salesforce integration, vendor lists, etc. Access all the information your company needs in one place, already collected.
Schedule a demo
Over 200 customers use Cause IQ to grow, maintain, and serve their nonprofit clients.
Methodology: Cause IQ mines all tax-exempt organizations that file a Form 990, Form 990-EZ, or Form 990-PF with the IRS. We collect and aggregate this information from OCR'd paper taxreturns, XML e-file taxreturns, IRS-provided extract, the Business Master File, and Cause IQ secret sauce for data cleaning, categorization, classification, analytics, etc.
This category corresponds to the "T20: Private Foundations" National Taxonomy of Exempt Entities (NTEE) code. Cause IQ determines NTEEs for organizations by its own internally-developed secret-sauce algorithms.
Cause IQ is a website that helps companies grow, maintain, and serve their nonprofit clients, and helps nonprofits find additional foundation funding. Our data and tools help professionals prospect for nonprofits, research opportunities, benchmark their clients, and enrich existing information.
Nonprofits
Product
Customers
About

© 2026 Nonprofit Metrics LLC
Terms of Service and Privacy Policy