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Trillium Foundation

EIN 38-2403460 · files IRS 990-PF

Given, as filed$186.9k2017–2025 · 121 grants
2017: $1.3k · 1 grants20172018: $10.8k · 5 grants20182019: no grants on file for this year yet20192020: $29.5k · 17 grants20202021: $28.5k · 23 grants20212022: $32.5k · 21 grants20222023: $24.0k · 18 grants20232024: $33.0k · 19 grants2024$33.0k2025: $27.2k · 17 grants2025$27.2k
Grantees19funded more than once, matching gifts aside
13 of 1913of 19
Assets, year endnot on file
Board and officers4on its latest return

Where it gives

By cause and by place, from its own returns.

By cause

The cause each recipient registered with the IRS

Health care$30.5k
Education$10.5k
Philanthropy and grantmaking$9.0k
Mental health$7.0k
Human services$6.0k
International affairs$2.8k
Animals$1.2k
Public and societal benefit$1.0k
Arts and culture$500
Cause not on file$118.4k

Mostly grants abroad and recipients without a US registration. Shown, never hidden.

By place

Dollars received, by the recipient's state

half the top state or more10–50%2–10%under 2%

Grants abroad and place not on file: 75 grants · $111.4k

Who it funds most

13 of its 19 grantees were funded in more than one year.

Trillium Foundation's own IRS 990-PF returns, as filed, in USD

Who funds the same organisations

Counted over its 19 largest grantees, leaving out fiscal sponsors and donor-advised funds, which share an address rather than a cause. A fact, not a partnership.

Its board and officers

From its latest return.

G Mark McAleenanPresident
Gary F McAleenanDirector
Gregory W McAleenanDirector
Karin M TurmelleSecretary/Tr

Form 990PF Part VIII, tax year 2024, filing 202501539349100710

Name and title as its own return lists them. No pay, no address. A photograph appears only where the person's own organisation or a free licence publishes one, credited beside it; otherwise none. Anyone can ask to be removed: hello@philanova.ai.

Its money

What it gave, held and paid, by year.

Giving by year

2017: $1.3k · 1 grants20172018: $10.8k · 5 grants20182019: no grants on file for this year yet20192020: $29.5k · 17 grants20202021: $28.5k · 23 grants20212022: $32.5k · 21 grants20222023: $24.0k · 18 grants20232024: $33.0k · 19 grants2024$33.0k2025: $27.2k · 17 grants2025$27.2k

A year with no bar has no grants on file yet: its returns may not be loaded. It is not a year without giving.

Its returns8 filings
Tax yearFormFilingWhere to read it
2025IRS 990-PF202601349349101450IRS batch file
2024IRS 990-PF202501539349100710IRS batch file
2023IRS 990-PF202421999349100407IRS batch file
2022IRS 990-PF202342989349100824IRS batch file
2021IRS 990-PF202212229349100006IRS batch file
2020IRS 990-PF202111279349100701IRS batch file
2018IRS 990-PF201912339349100501IRS batch file
2017IRS 990-PF201813189349102551IRS batch file

An IRS batch file holds many returns; the filing number finds this one inside it.

The record as filedEvery table this page has always shown, in full.open

Trillium Foundation made 121 grants across 2017–2025, totalling $186.9k as filed.

Grants
121
Total, as filed
$186.9k
Years
2017–2025
Filed in
USD

Who it funds

OrganisationGrantsTotal
BRIDGES TO MALAWI7$30.5k
ST CECELIA MUSIC CENTER6$16.0k
AQUINAS COLLEGE SISTER AQUINAS STUDENT SCHOLARSHIP5$12.2k
JOHN BALL ZOO -PYGMY HIPPO CAMPAIGN3$11.0k
THE MIDDLE WAY4$10.0k
WILLIAMS COLLEGE4$10.0k
COREWELL HEALTH FOUNDATION WEST MI RICHARD MCNAMARA CARDIOVASCULAR FELLOWSHIP PROGRAM2$6.0k
THE BARN FOR EQUINE LEARNING3$5.5k
WILLIS EYE FOUNDATION JOSEPH I MAGUIRE MD RETINA RESEARCH FUND1$5.0k
BAXTER COMMUNITY CENTER6$4.2k
NEW HAMPSHIRE FOOD BANK4$4.0k
SOUTHEAST LAND TRUST OF NEW HAMPSHIRE (SELT)4$4.0k
FRANCISCAN LIFE PROCESS CENTER3$3.5k
GUIDING LIGHT MISSION2$3.5k
THE MUSIC HALL4$3.5k

By year

YearGrantsTotal
20171$1.3k
20185$10.8k
202017$29.5k
202123$28.5k
202221$32.5k
202318$24.0k
202419$33.0k
202517$27.2k

Where this came from

Identifier US-EIN-382403460. Register: Internal Revenue Service (US). Machine-readable: JSON.

What this page does not know

  • Wrong if: a figure recovered from a subtotal is read as the sum of the recovered rows. A subtotal divides onto a whole penny whatever its parts did, so rows the per-row rule refuses are inside these figures.
  • What they say they exist to do
  • What each grant was for
  • What they fund, by theme
  • Balance sheet and financials
  • Who runs it
  • Whether they accept proposals
  • Their own record on the register
  • No website on file
  • Leadership not yet identified
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