Trefler Foundation
EIN 04-3369962 · MA · NTEE T20Z
Giving Profile
In 2025, Trefler Foundation based in MA paid 19 grants totaling $1.6M to 19 organizations. Individual grants ranged from $1K to $1.1M, with a median of $25K. Its largest recipients included MASSACHUSETTS GENERAL HOSPITAL, YEAR UP, and MA LEAGUE OF COMMUNITY HEALTH CENTERS. The foundation does not accept unsolicited applications — giving is by invitation only.
Foundation at a Glance
- Total assets
- $18,710,560
- Giving (latest yr)
- $1,557,120
- Filing year
- 2025
- Itemized grants
- 19
- Median grant
- $25K
- Recipients
- 19
- States reached
- 1
- Officers/trustees
- 3
- Unsolicited applications
- No — invitation only
Where the Money Goes
Top recipients
- Massachusetts General Hospital$1,050,000
- Year Up$100,000
- MA League of Community Health Centers$75,000
- Noble and Greenough School$57,000
- Ellie Fund$50,000
Where grants went
- Massachusetts$1,557,120 · 19 grants
Grants Paid (19)
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FAQFrequently Asked Questions
No. Trefler Foundation does not accept unsolicited applications — its grantmaking is by invitation only. Cultivating a relationship or securing an introduction is typically required.
Trefler Foundation is classified as a Education funder. Schools, universities, scholarships, and educational programs.
In its most recent filing, Trefler Foundation reported 19 itemized grants totaling $1.6M. Individual grants ranged from $1K to $1.1M (median $25K).
Recent recipients include MASSACHUSETTS GENERAL HOSPITAL, YEAR UP, MA LEAGUE OF COMMUNITY HEALTH CENTERS, among 19 organizations in total. The full grant list is on this page.
Trefler Foundation is a private foundation based in Massachusetts, per its IRS 990-PF filing.
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