Funding search · EIN 046051095 · Sudbury, MA
Henderson Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 235
- grants reported
- $1.7M
- total given
- 2022–2024
- filing years
- $5,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Lionheart Classical Academy3 grants · $209,000
- Mt Auburn Hospital3 grants · $159,000
- Silent Bridge3 grants · $108,500
- Center for Security Policy3 grants · $92,000
- Food Bank of the Rockies3 grants · $63,000
- Quest Center for Integrative Health2 grants · $46,000
- Salvation Army3 grants · $45,000
- American Agri-Women Resource Center3 grants · $45,000
- Saco River Theatre3 grants · $39,000
- Association of Foreign Press Corres2 grants · $36,000
Giving over time
Grant history
The 100 largest of 235 grants.
- $100,000
Lionheart Classical Academy · Peterboro, NH · 2024
To further the organization's tax exempt purpose
- $70,000
Mt Auburn Hospital · Cambridge, MA · 2024
To further the organization's tax exempt purpose
- $64,000
Mt Auburn Hospital · Cambridge, MA · 2023
To further the organization's tax exempt purpose
- $59,000
Lionheart Classical Academy · Peterboro, NH · 2022
To further the organization's tax exempt purpose
- $51,000
Silent Bridge · Vancouver, WA · 2024
To further the organization's tax exempt purpose
- $50,000
Center for Security Policy · Washington, DC · 2023
To further the organization's tax exempt purpose
- $50,000
Lionheart Classical Academy · Peterboro, NH · 2023
To further the organization's tax exempt purpose
- $33,500
Silent Bridge · Vancouver, WA · 2022
To further the organization's tax exempt purpose
- $32,500
Project Veritas · Mamaroneck, NY · 2022
To further the organization's tax exempt purpose
- $32,000
Center for Security Policy · Washington, DC · 2022
To further the organization's tax exempt purpose
- $25,000
Mt Auburn Hospital · Cambridge, MA · 2022
To further the organization's tax exempt purpose
- $24,000
The Association of Foreign Press Correspondents in the United States · Nyc, NY · 2024
To further the organization's tax exempt purpose
- $24,000
Silent Bridge · Vancouver, WA · 2023
To further the organization's tax exempt purpose
- $23,000
Food Bank of the Rockies · Denver, CO · 2024
To further the organization's tax exempt purpose
- $23,000
Sd USA · Redmond, WA · 2024
To further the organization's tax exempt purpose
- $23,000
Food Bank of the Rockies · Denver, CO · 2023
To further the organization's tax exempt purpose
- $23,000
Quest Center for Integrative Health · Portland, OR · 2023
To further the organization's tax exempt purpose
- $23,000
Quest Center for Integrative Health · Portland, OR · 2022
To further the organization's tax exempt purpose
- $22,500
Salisbury School Educational Foundation · Salisbury, MD · 2024
To further the organization's tax exempt purpose
- $21,000
Association of Foreign Press Corres · Nyc, NY · 2023
To further the organization's tax exempt purpose
- $20,000
Asia Initiatives · New York, NY · 2023
To further the organization's tax exempt purpose
- $20,000
Boston Woodwind Society · Brookline, MA · 2022
To further the organization's tax exempt purpose
- $17,000
Food Bank of the Rockies · Denver, CO · 2022
To further the organization's tax exempt purpose
- $15,000
American Agri-Women Resource Center · Colchester, VT · 2024
To further the organization's tax exempt purpose
- $15,000
Salvation Army · Canton, MA · 2024
To further the organization's tax exempt purpose
- $15,000
American Agri-Women Resource Center · Colchester, VT · 2023
To further the organization's tax exempt purpose
- $15,000
International Rescue Committee · Albert Lea, MN · 2023
To further the organization's tax exempt purpose
- $15,000
Salvation Army · Canton, MA · 2023
To further the organization's tax exempt purpose
- $15,000
American Agri-Women Resource Center · Colchester, VT · 2022
To further the organization's tax exempt purpose
- $15,000
Association of Foreign Press Corres · Nyc, NY · 2022
To further the organization's tax exempt purpose
- $15,000
Dartmouth College · Hanover, NH · 2022
To further the organization's tax exempt purpose
- $15,000
Salvation Army · Canton, MA · 2022
To further the organization's tax exempt purpose
- $13,000
Saco River Theatre · Bar Mills, ME · 2024
To further the organization's tax exempt purpose
- $13,000
Saco River Theatre · Bar Mills, ME · 2023
To further the organization's tax exempt purpose
- $13,000
Saco River Theatre · Bar Mills, ME · 2022
To further the organization's tax exempt purpose
- $12,000
Georgetown University · Washington, DC · 2023
To further the organization's tax exempt purpose
- $10,000
Accuracy in Media · Washington, DC · 2024
To further the organization's tax exempt purpose
- $10,000
Center for Security Policy · Washington, DC · 2024
To further the organization's tax exempt purpose
- $10,000
Halo Trust · Washington, DC · 2024
To further the organization's tax exempt purpose
- $10,000
Mental Health Global · Spring, TX · 2024
To further the organization's tax exempt purpose
- $10,000
Newton Wellesley Hospital · Newton, MA · 2024
To further the organization's tax exempt purpose
- $10,000
United Help Ukraine · Gaithersburg, MD · 2024
To further the organization's tax exempt purpose
- $10,000
Accuracy in Media · Washington, DC · 2023
To further the organization's tax exempt purpose
- $10,000
American Foreign Policy Council · Washington, DC · 2023
To further the organization's tax exempt purpose
- $10,000
Boston Woodwind Society · Brookline, MA · 2023
To further the organization's tax exempt purpose
- $10,000
Newton Wellesley Hospital · Newton, MA · 2023
To further the organization's tax exempt purpose
- $10,000
Ocean Sea Foundation · Milton, DE · 2023
To further the organization's tax exempt purpose
- $10,000
International Rescue Committee · Albert Lea, MN · 2022
To further the organization's tax exempt purpose
- $10,000
Leadership Institute · Arlington, VA · 2022
To further the organization's tax exempt purpose
- $10,000
Old Friends Club · Kirkland, WA · 2022
To further the organization's tax exempt purpose
- $10,000
Wellesley College · Wellesley, MA · 2022
To further the organization's tax exempt purpose
- $9,000
Wedo · Nyc, NY · 2022
To further the organization's tax exempt purpose
- $8,000
Rainforest Trust · Warrenton, VA · 2024
To further the organization's tax exempt purpose
- $8,000
Newton Wellesley Hospital · Newton, MA · 2022
To further the organization's tax exempt purpose
- $7,500
Turning Point USA · Phoenix, AZ · 2023
To further the organization's tax exempt purpose
- $7,500
Rosalind Franklin Society · New Rochelle, NY · 2022
To further the organization's tax exempt purpose
- $7,000
Iirr · Nyc, NY · 2023
To further the organization's tax exempt purpose
- $6,500
Dana Farberjimmy Fund · Boston, MA · 2024
To further the organization's tax exempt purpose
- $6,500
Hanover Theatre · Worcester, MA · 2024
To further the organization's tax exempt purpose
- $6,000
Neads · Princeton, MA · 2024
To further the organization's tax exempt purpose
- $6,000
Helen Gee Chin Scholarship Foundation · Newton Highlands, MA · 2023
To further the organization's tax exempt purpose
- $6,000
Helen Gee Chin Scholarship Foundation · Newton Highlands, MA · 2022
To further the organization's tax exempt purpose
- $6,000
Iirr · Nyc, NY · 2022
To further the organization's tax exempt purpose
- $6,000
Open Stage Theatre Company · Fort Collins, CO · 2022
To further the organization's tax exempt purpose
- $6,000
Rocky Mountain Pbs · Denver, CO · 2022
To further the organization's tax exempt purpose
- $6,000
Serica Initiative · Nyc, NY · 2022
To further the organization's tax exempt purpose
- $5,000
Avon Old Farms School · Avon, CT · 2024
To further the organization's tax exempt purpose
- $5,000
Bates College · Lewiston, ME · 2024
To further the organization's tax exempt purpose
- $5,000
British International School of Boston · Brookline, MA · 2024
To further the organization's tax exempt purpose
- $5,000
Citizen Journalism Foundation · West Palm Beach, FL · 2024
To further the organization's tax exempt purpose
- $5,000
Connecticut College · New London, CT · 2024
To further the organization's tax exempt purpose
- $5,000
Dartmouth College · Hanover, NH · 2024
To further the organization's tax exempt purpose
- $5,000
Hellen Gee Chen Scholarship Foundation · Newton, MA · 2024
To further the organization's tax exempt purpose
- $5,000
Institute for the Study of War · Washington, DC · 2024
To further the organization's tax exempt purpose
- $5,000
Loomis Chaffee School · Windsor, CT · 2024
To further the organization's tax exempt purpose
- $5,000
Monadnock Community Hospital · Petersborough, NH · 2024
To further the organization's tax exempt purpose
- $5,000
Open Stage Theatre Company · Fort Collins, CO · 2024
To further the organization's tax exempt purpose
- $5,000
Public Radio for the Front Range · Fort Collins, CO · 2024
To further the organization's tax exempt purpose
- $5,000
Save the Poudre Waterkeeper · Fort Collins, CO · 2024
To further the organization's tax exempt purpose
- $5,000
Second Amendment Institute · Washington, DC · 2024
To further the organization's tax exempt purpose
- $5,000
Avon Old Farms School · Avon, CT · 2023
To further the organization's tax exempt purpose
- $5,000
Bates College · Lewiston, ME · 2023
To further the organization's tax exempt purpose
- $5,000
Bowdoin College · Brunswick, ME · 2023
To further the organization's tax exempt purpose
- $5,000
Connecticut College · New London, CT · 2023
To further the organization's tax exempt purpose
- $5,000
Dartmouth College · Hanover, NH · 2023
To further the organization's tax exempt purpose
- $5,000
Diakonia · Ocean City, MD · 2023
To further the organization's tax exempt purpose
- $5,000
Fullbright Association · Washington, DC · 2023
To further the organization's tax exempt purpose
- $5,000
Hanover Theatre · Worcester, MA · 2023
To further the organization's tax exempt purpose
- $5,000
Leadership Institute · Arlington, VA · 2023
To further the organization's tax exempt purpose
- $5,000
Loomis Chaffee School · Windsor, CT · 2023
To further the organization's tax exempt purpose
- $5,000
Monadnock Community Hospital · Petersborough, NH · 2023
To further the organization's tax exempt purpose
- $5,000
Neads · Princeton, MA · 2023
To further the organization's tax exempt purpose
- $5,000
Old Friends Club · Kirkland, WA · 2023
To further the organization's tax exempt purpose
- $5,000
Open Stage Theatre Company · Fort Collins, CO · 2023
To further the organization's tax exempt purpose
- $5,000
Parents Place of Maryland · Glen Burnie, MD · 2023
To further the organization's tax exempt purpose
- $5,000
Rebirth · Placeholder, MA · 2023
To further the organization's tax exempt purpose
- $5,000
Save the Poudre Waterkeeper · Fort Collins, CO · 2023
To further the organization's tax exempt purpose
- $5,000
Second Amendment Institute · Washingron, DC · 2023
To further the organization's tax exempt purpose
- $5,000
The Salisbury School Educational Foundation · Salisbury, MD · 2023
To further the organization's tax exempt purpose
- $5,000
Ukranian Institute of America · New York, NY · 2023
To further the organization's tax exempt purpose
Who else funds this kind of work
Same state
- Combined Jewish Philanthropies of Greater Boston4,151 grants · $943.7M
- Mass General Brigham Incorporated &472 grants · $3.11B
Similar purposes
- Bny Mellon Charitable Gift Fund3,620 grants · $914.9M
- Gray Foundation972 grants · $261.2M
- Impact Investing Charitable Foundation193 grants · $373.9M
Similar grant size
- Enterprise Holdings Foundation30,880 grants · $360.4M
- State Employees Credit Union Foundation7,131 grants · $63.0M
- Seattle Foundation14,012 grants · $457.3M
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

