Foundations that fund nonprofits in Waltham, MA
466 private foundations reported 730 grants to IRS-registered organizations based in Waltham, Massachusetts, on 990-PF returns for tax year 2022 or later, $42.4M in all. 4 of them are based in Waltham.
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Foundations based in Waltham
All 4 local foundations that reported grants to Waltham organizations: profiles in our foundation directory first, then by the number of such grants on their latest return.
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Rosalyn and Richard Slifka Charitable Trust
Waltham, MA · latest return: tax year 2024- Brandeis University - To pursue knowledge and its transmission from generation to generation.$100,000
- Jewish Family & Children's Service - To care for individuals and families by providing exceptional human services guided by jewish traditions…$25,000
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The Bird Precision Charitable Foundation
Waltham, MA · latest return: tax year 2025- Waltham Boys & Girls Club - To be used for the objectives of the organization$10,000
- Healthy Waltham - To be used for the objectives of the organization$5,000
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National Biomedical Research Foundation Inc
Waltham, MA · latest return: tax year 2024- Bentley University - Develop and maintain center for integration of science and industry at bentley university$567,000
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Newton S and Kerry Johnson Foundation
Waltham, MA · latest return: tax year 2025- Waltham Boys and Girls Club - General and Unrestricted$6,000
Other foundations giving most in Waltham
Based elsewhere, by the number of grants to Waltham organizations on their latest return; profiles in our foundation directory first. Each shows its largest grants there.
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Amazonsmile Foundation
Seattle, WA · latest return: tax year 2023- Accelerated Cure Project Inc - General support$693
- Fresenius Medical Care Foundation Inc - General support$680
- Macarthur School PTO - General support$615
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Gave $156.2M in 2024
Fidelity Foundation
Boston, MA · latest return: tax year 2024- Bentley University - Fidelity matching gifts to education$2,000
- Bentley University - Fidelity matching gifts to education$2,000
- Bentley University - Fidelity matching gifts to education$1,000
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Gave $844.7M in 2024
The Ford Foundation
New York, NY · latest return: tax year 2024- Proteus Fund Inc - Core support for the rise together fund to support black, african, arab, middle eastern, muslim, and south…$1,015,000
- Proteus Fund Inc - Core support for the disability & philanthropy forum to center the perspectives of disabled people and engage…$750,000
- Proteus Fund Inc - Core support for the prevention collaborative to reimagine evidence-based approaches to prevention…$650,000
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Gave $38.2M in 2024
Cummings Foundation Grants Inc (Fka Oneworld Boston Inc)
Woburn, MA · latest return: tax year 2024- Brandeis University - Education$80,000
- Reach Beyond Domestic Violence - Human Services$50,000
- More Than Words Inc - Human Services$50,000
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Gave $19M in 2025
Eastern Bank Charitable Foundation
Wakefield, MA · latest return: tax year 2025- Girl Scouts of Eastern Massachusetts - Exempt purpose$7,120
- More Than Words - Exempt purpose$5,550
- Springwell - Exempt purpose$5,000
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The Simons Foundation Inc
New York, NY · latest return: tax year 2024- Brandeis University - Neural coordination mechanisms underlying social interactions in rat models of autism$299,271
- Brandeis University - Critical period plasticity underlying complex learning in asd rat models$297,662
- Brandeis University - Identifying translational sleep biomarkers in autism$199,975
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The Pfizer Foundation Inc
New York, NY · latest return: tax year 2024- Girl Scouts of Eastern Massachusetts Inc - Volunteer program$1,850
- Waltham Boys and Girls Club Inc - Volunteer program$1,750
- Tcc Cat Rescue - Matching gifts$1,300
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Foundation for a Just Society
New York, NY · latest return: tax year 2024- Proteus Fund - To provide general communications support$400,000
- Proteus Fund - To provide general operating support$333,333
- Proteus Fund - To support the charitable activities of reframe$250,000
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Gave $2.3M in 2025
Rockland Trust Charitable Foundation Inc
Rockland, MA · latest return: tax year 2025- More Than Words - Exempt purpose$25,000
- Waltham Boys and Girls Club Inc - Exempt purpose$15,000
- Reach Beyond Domestic Violence - Exempt purpose$10,000
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Gave $622.6M in 2024
The Robert Wood Johnson Foundation
Princeton, NJ · latest return: tax year 2024- Brandeis University - Strengthening the infrastructure and impact of diversitydatakids.org to facilitate equity-focused change…$750,000
- Proteus Fund Inc - Supporting leaders on the front lines of racial justice in acting and living in the solidarity needed…$450,000
- Proteus Fund Inc - Contributing to a mindset consortium that addresses structural racism and advances health equity, 2024…$213,412
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Gave $31.3M in 2024
Arcus Foundation
New York, NY · latest return: tax year 2024- Proteus Fund Inc - Support for the rights, faith, and democracy collaborative.$400,000
- Proteus Fund Inc - General operating support$200,000
- Proteus Fund Inc - General operating support$150,000
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Gave $1.9M in 2024
Analog Devices Foundation
Boston, MA · latest return: tax year 2024- Foundation Pierre Fokem Inc - General support$2,008
- Healthy Waltham Inc - General support$257
- Gann Academy the New Jewish High School of Greater Boston Inc - General support$58
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The Susan Thompson Buffett Foundation
Omaha, NE · latest return: tax year 2025- Proteus Fund Inc - Program support$502,184
- Proteus Fund Inc - Program support$351,556
- Proteus Fund Inc - Program support$301,470
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Gave $15.6M in 2024
Richard and Susan Smith Family Foundation
Newton, MA · latest return: tax year 2024- More Than Words - Youth development$500,000
- Brandeis University - Medical research$135,000
- Reach Beyond Domestic Violence - Human services$35,606
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John D and Catherine T Macarthur Foundation
Chicago, IL · latest return: tax year 2024- Proteus Fund Inc - In support of its project, the disability culture lab$250,000
- Proteus Fund Inc - For the transparency and accountability initiative$105,000
- Proteus Fund Inc - In support of the disability & philanthropy forum$50,000
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Gave $49.3M in 2024
The Henry Luce Foundation Inc
New York, NY · latest return: tax year 2024- Brandeis University - Support for survey and related convening$150,000
- Brandeis University - Support for survey and related convening$150,000
- Proteus Fund - Support for convenings and collaboration$100,000
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Gave $115.2M in 2024
Arie and Ida Crown Memorial
Chicago, IL · latest return: tax year 2024- Brandeis University - General operating support$200,000
- Brandeis University - Program$100,000
- Brandeis University - General operating$4,000
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General Service Foundation
San Ramon, CA · latest return: tax year 2025- Proteus Fund - Protecting the right to protest$150,000
- Proteus Fund - Rise together fund$55,000
- Proteus Fund - Third wave fund$50,000
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One8 Foundation
Boston, MA · latest return: tax year 2024- Jewish Family & Childrens Service - Community$50,000
- More Than Words Inc - Youth development$20,000
- Jewish Big Brother-Sister Association of Boston - Community$10,000
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Gave $1.2M in 2025
Agnes M Lindsay Trust
Chelmsford, MA · latest return: tax year 2025- African Cultural Services - Campership$3,000
- African Cultural Services - Food pantry/food bank$3,000
- Prospect Hill Community Foundation - Health & welfare$3,000
Match your nonprofit against every funder giving in Massachusetts →
Waltham organizations several of these foundations fund
Organizations in Waltham that received grants from two or more of the foundations above, on the same returns.
| Organization | Funders | Grants total |
|---|---|---|
| Brandeis University | 9 | $3,043,114 |
| Proteus Fund Inc | 8 | $10,957,788 |
| Waltham Boys & Girls Club | 7 | $58,397 |
| More Than Words Inc | 6 | $600,716 |
| Reach Beyond Domestic Violence Inc | 5 | $95,856 |
| Healthy Waltham | 5 | $26,345 |
| Jewish Family & Children's Service | 4 | $77,708 |
| African Cultural Services Inc | 4 | $42,071 |
| Community Farms Outreach | 4 | $26,173 |
| Girl Scouts of Eastern Massachusetts Inc | 4 | $14,340 |
How to use this list
A foundation is listed because its own latest tax return itemizes grants to organizations with a Waltham, MA address that the IRS list of exempt organizations also places in Waltham. Gifts sent to a national charity's mailing or donation address in the city are not counted, and neither are grants we could not match to an IRS record. Local foundations often give mostly close to home and are usually the most realistic first prospects for a small nonprofit; large national foundations listed here may fund only a few institutions in the city. Their typical grant is the middle of the funders' own typical grants across everything they fund. Open a profile for all of a funder's grants and any application instructions.
Of these 466 foundations, 159 describe how to apply on their latest return; many others give only to organizations they already know. A badge such as Gave $1.2M in 2024 repeats what the latest return reports; it does not mean the foundation is accepting proposals now.
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.