Funding search · EIN 043369962 · Newton, MA

Trefler 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.

67
grants reported
$2.8M
total given
2022–2025
filing years
$10,000
median grant

Based on grants this organization reported to the IRS for tax years 20222025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

gift

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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.

  • Massachusetts General Hospital5 grants · $1.7M
  • Noble and Greenough School3 grants · $171,000
  • Year Up1 grant · $100,000
  • Ma League of Community Health Centers1 grant · $75,000
  • Union Capital Boston2 grants · $65,000
  • Ellie Fund2 grants · $60,000
  • The Teachers Lounge2 grants · $50,000
  • Leadership Brainery2 grants · $50,000
  • Mspca Angell3 grants · $40,000
  • Massachusetts Alliance for Early College1 grant · $35,000

Giving over time

$225,000
2022
$685,500
2023
$285,000
2024
$1.6M
2025

Grant history

All 67 reported grants, largest first.

  • $1.1M

    Massachusetts General Hospital · Boston, MA · 2025

    Unrestricted charitable gift

  • $200,000

    Massachusetts General Hospital · Boston, MA · 2023

    Unrestricted charitable gift

  • $200,000

    Massachusetts General Hospital · Boston, MA · 2022

    Unrestricted charitable gift

  • $143,500

    Massachusetts General Hospital · Boston, MA · 2024

    Unrestricted charitable gift

  • $100,000

    Year Up · Boston, MA · 2025

    Unrestricted charitable gift

  • $87,000

    Massachusetts General Hospital · Boston, MA · 2023

    Unrestricted charitable gift

  • $75,000

    Ma League of Community Health Centers · Boston, MA · 2025

    Unrestricted charitable gift

  • $57,000

    Noble and Greenough School · Dedham, MA · 2025

    Unrestricted charitable gift

  • $57,000

    Noble and Greenough School · Dedham, MA · 2024

    Unrestricted charitable gift

  • $57,000

    Noble and Greenough School · Dedham, MA · 2023

    Unrestricted charitable gift

  • $50,000

    Ellie Fund · Needham, MA · 2025

    Unrestricted charitable gift

  • $40,000

    Leadership Brainery · Boston, MA · 2025

    Unrestricted charitable gift

  • $40,000

    Union Capital Boston · Boston, MA · 2025

    Unrestricted charitable gift

  • $35,000

    Massachusetts Alliance for Early College · Boston, MA · 2025

    Unrestricted charitable gift

  • $35,000

    The Teachers Lounge · Roslindale, MA · 2025

    Unrestricted charitable gift

  • $25,000

    Duet · Boston, MA · 2025

    Unrestricted charitable gift

  • $25,000

    Mspca Angell · Boston, MA · 2023

    Unrestricted charitable gift

  • $25,000

    Union Capital Boston · Boston, MA · 2023

    Unrestricted charitable gift

  • $25,000

    Empower Our Crown Foundation · Milton, MA · 2022

    Unrestricted charitable gift

  • $20,000

    Youth Guidance Boston · Boston, MA · 2023

    Unrestricted charitable gift

  • $15,000

    Edvestors · Boston, MA · 2024

    Unrestricted charitable gift

  • $15,000

    Boston Debate League · Boston, MA · 2023

    Unrestricted charitable gift

  • $15,000

    Boys & Girls Club Boston · Boston, MA · 2023

    Unrestricted charitable gift

  • $15,000

    Panthers Legends Academic Youth · West Roxbury, MA · 2023

    Unrestricted charitable gift

  • $15,000

    Shine Bright Workshops · Norwood, MA · 2023

    Unrestricted charitable gift

  • $15,000

    The Teachers Lounge · Roslindale, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Embrace Boston · Boston, MA · 2025

    Unrestricted charitable gift

  • $10,000

    Mspca Angell · Boston, MA · 2025

    Unrestricted charitable gift

  • $10,000

    Ellie Fund · Needham, MA · 2024

    Unrestricted charitable gift

  • $10,000

    Embrace Boston · Boston, MA · 2024

    Unrestricted charitable gift

  • $10,000

    Mother Caroline Academy · Boston, MA · 2024

    Unrestricted charitable gift

  • $10,000

    Urban League of Eastern Massachusetts · Roxbury, MA · 2024

    Unrestricted charitable gift

  • $10,000

    Boston Police Activities League · Dorchester, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Commonwealth Kitchen · Boston, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Daddy & Me · Hyde Park, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Foundation for Bcyf · Boston, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Genunity · Cambridge, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Leadership Brainery · Boston, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Louis D Brown Peace Institute · Dorchester, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Massachusetts Project 351 · Boston, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Pim Project · Randolph, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Score 4 More · Roxbury, MA · 2023

    Unrestricted charitable gift

  • $10,000

    The Base · Roxbury, MA · 2023

    Unrestricted charitable gift

  • $10,000

    The Boston Foundation · Boston, MA · 2023

    Unrestricted charitable gift

  • $10,000

    The Center for Teen Empowerment · Roxbury, MA · 2023

    Unrestricted charitable gift

  • $10,000

    United South End Settlements · Boston, MA · 2023

    Unrestricted charitable gift

  • $10,000

    Youth in Crisis Ministry · Randolph, MA · 2023

    Unrestricted charitable gift

  • $8,500

    Philanthropy Ma · Boston, MA · 2023

    Unrestricted charitable gift

  • $7,620

    Philanthropy Ma · Boston, MA · 2025

    Unrestricted charitable gift

  • $7,500

    1 Day Sooner · Claymont, DE · 2023

    Unrestricted charitable gift

  • $7,500

    Hoops Collaborative Youth Development Program · Brockton, MA · 2023

    Unrestricted charitable gift

  • $7,500

    Rose Conservatory · Brockton, MA · 2023

    Unrestricted charitable gift

  • $7,500

    The Upward Project · Boston, MA · 2023

    Unrestricted charitable gift

  • $7,000

    Philanthropy Ma · Boston, MA · 2024

    Unrestricted charitable gift

  • $5,000

    Center for Teen Empowerment · Dorchester, MA · 2025

    Unrestricted charitable gift

  • $5,000

    Haley House · Boston, MA · 2025

    Unrestricted charitable gift

  • $5,000

    Necat · Boston, MA · 2025

    Unrestricted charitable gift

  • $5,000

    Social Capital · Boston, MA · 2025

    Unrestricted charitable gift

  • $5,000

    Boston Women'S Fund · Cambridge, MA · 2024

    Unrestricted charitable gift

  • $5,000

    Haley House · Boston, MA · 2024

    Unrestricted charitable gift

  • $5,000

    Mspca Angell · Boston, MA · 2024

    Unrestricted charitable gift

  • $5,000

    Sportsmen'S Tennis and Enrichment Center · Dorchester, MA · 2024

    Unrestricted charitable gift

  • $5,000

    Smash Mouth Wrestling Club · Brockton, MA · 2023

    Unrestricted charitable gift

  • $3,000

    Social Capital · Boston, MA · 2023

    Unrestricted charitable gift

  • $2,500

    The Base · Roxbury, MA · 2024

    Unrestricted charitable gift

  • $1,500

    Boston Raiders Youth Football and Cheer Pop Warner Little Scholars · Hyde Park, MA · 2025

    Unrestricted charitable gift

  • $1,000

    One Love Sports Academy · Boston, MA · 2025

    Unrestricted charitable gift

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Source: 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.