FURP.ORG / PUBLIC DATA EXPLORER

TRIMIX FOUNDATION

Cite this

Plain text TRIMIX FOUNDATION. furp.org, nonprofit organization profile, tax years 2019–2024. https://furp.org/org/trimix-foundation-050494244. Retrieved 2026-10-21.

APA furp.org. (n.d.). TRIMIX FOUNDATION [Nonprofit organization profile; tax years 2019–2024]. Retrieved October 21, 2026, from https://furp.org/org/trimix-foundation-050494244

MLA “TRIMIX FOUNDATION.” furp.org, tax years 2019–2024, https://furp.org/org/trimix-foundation-050494244. Accessed 21 Oct. 2026.

Retrieved 2026-10-21; covers tax years 2019–2024. Data: furp.org, CC BY 4.0.

2024 · Form 990PF · revenue $1.3M · expenses $1.5M · assets $45.2M

Also known as
C/O PATHSTONE FAMILY OFFICE
EIN
05-0494244
Address
50 PARK ROW W STE 113, PROVIDENCE, RI 02903-1114
NTEE code
T20J
Subsection
501(c)(3)
Ruling year
1997
Cross-check
ProPublica Nonprofit Explorer

Each tax year counts once: when a return was amended, only the latest return for that period is used below (superseded returns stay listed, greyed, under Finances).

People paid by the organization

None of the 9 people listed on these returns reported compensation from the organization. They are listed below.

Officers and directors, no compensation reported

9 people listed on the returns with $0 (or no amount) in every compensation column: current people first. Hours are as filed on the latest return each person appears on.

NameLatest titleYearsHrs/wk (latest)CompensationOrganizations
Brian Mixer DIRECTOR2019-2024 1 $0 reported 2
Mark Mixer DIRECTOR/PRESIDENT2019-2024 1 $0 reported 2
Michael Mixer DIRECTOR2019-2024 1 $0 reported 2
David P Mixer DIRECTOR/VICE PRESIDENT2019-2024 1 $0 reported 2
Matthew A Thibault SECRETARY2019-2024 2 $0 reported 1
Arthur X Duffy DIRECTOR/TREASURER2019-2024 2 $0 reported 2
Gail S Mixer Ended 052022 (former) DIRECTOR/PRESIDENT2022 1 $0 reported 1
Mark Mixer As Of 062022 (former) DIRECTOR/PRESIDENT2022 1 $0 reported 1
Gail S Mixer (former) DIRECTOR/PRESIDENT2019-2021 1 $0 reported 1

People by year

2024 · 6 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
DAVID P MIXER DIRECTOR/VICE PRESIDENT1 $0-$0 $02
BRIAN MIXER DIRECTOR1 $0-$0 $02
MARK MIXER DIRECTOR/PRESIDENT1 $0-$0 $02
MICHAEL MIXER DIRECTOR1 $0-$0 $02
MATTHEW A THIBAULT SECRETARY2 $0-$0 $01
ARTHUR X DUFFY DIRECTOR/TREASURER2 $0-$0 $02
2023 · 6 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
DAVID P MIXER DIRECTOR/VICE PRESIDENT1 $0-$0 $02
BRIAN MIXER DIRECTOR1 $0-$0 $02
MARK MIXER DIRECTOR/PRESIDENT1 $0-$0 $02
MICHAEL MIXER DIRECTOR1 $0-$0 $02
MATTHEW A THIBAULT SECRETARY2 $0-$0 $01
ARTHUR X DUFFY DIRECTOR/TREASURER2 $0-$0 $02
2022 · 7 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
GAIL S MIXER ENDED 052022 DIRECTOR/PRESIDENT1 $0-$0 $01
DAVID P MIXER DIRECTOR/VICE PRESIDENT1 $0-$0 $02
BRIAN MIXER DIRECTOR1 $0-$0 $02
MARK MIXER AS OF 062022 DIRECTOR/PRESIDENT1 $0-$0 $01
MICHAEL MIXER DIRECTOR1 $0-$0 $02
MATTHEW A THIBAULT SECRETARY2 $0-$0 $01
ARTHUR X DUFFY TREASURER2 $0-$0 $02
2021 · 7 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
GAIL S MIXER DIRECTOR/PRESIDENT1 $0-$0 $01
DAVID P MIXER DIRECTOR/VICE PRESIDENT1 $0-$0 $02
BRIAN MIXER DIRECTOR1 $0-$0 $02
MARK MIXER DIRECTOR1 $0-$0 $02
MICHAEL MIXER DIRECTOR1 $0-$0 $02
MATTHEW A THIBAULT SECRETARY2 $0-$0 $01
ARTHUR X DUFFY TREASURER2 $0-$0 $02
2020 · 7 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
GAIL S MIXER PRESIDENT1 $0-$0 $01
DAVID P MIXER VICE PRESIDENT1 $0-$0 $02
BRIAN MIXER DIRECTOR1 $0-$0 $02
MARK MIXER DIRECTOR1 $0-$0 $02
MICHAEL MIXER DIRECTOR1 $0-$0 $02
MATTHEW A THIBAULT SECRETARY2 $0-$0 $01
ARTHUR X DUFFY TREASURER2 $0-$0 $02
2019 · 7 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
GAIL S MIXER PRESIDENT1 $0-$0 $01
DAVID P MIXER VICE PRESIDENT1 $0-$0 $02
BRIAN MIXER DIRECTOR1 $0-$0 $02
MARK MIXER DIRECTOR1 $0-$0 $02
MICHAEL MIXER DIRECTOR1 $0-$0 $02
MATTHEW A THIBAULT SECRETARY2 $0-$0 $01
ARTHUR X DUFFY TREASURER2 $0-$0 $02

Highest-paid independent contractors

2024 · 1 contractor · $250K
NameLocationServicePaid
PATHSTONE FAMILY OFFICEPROVIDENCE, RIFOUNDAITON MANAGEMENT FEES$250,000
2023 · 2 contractors · $318K
NameLocationServicePaid
PATHSTONE FAMILY OFFICEPROVIDENCE, RIINVESTMENT MANAGEMENT$250,000
GOULSTON & STORRS PCBOSTON, MALEGAL SERIVCES$68,199
2022 · 1 contractor · $250K
NameLocationServicePaid
PATHSTONE FAMILY OFFICEPROVIDENCE, RIINVESTMENT MANAGEMENT/ADVISORY SERVICES$250,252
2021 · 1 contractor · $225K
NameLocationServicePaid
REX CAPITAL ADVISORS LLCPROVIDENCE, RIINVESTMENT MANAGEMENT/ADVISORY SERVICES$225,000
2020 · 1 contractor · $225K
NameLocationServicePaid
REX CAPITAL ADVISORS LLCPROVIDENCE, RIMANAGEMENT/ADVISORY SERVICES$225,000
2019 · 1 contractor · $225K
NameLocationServicePaid
REX CAPITAL ADVISORS LLCPROVIDENCE, RIMANAGEMENT/ADVISORY SERVICES$225,000

Who the money went to

Grants this organization reported paying: Schedule I Part II of the Form 990, or the grants-paid list on the 990-PF. Open a year for every recipient. Recipients link to their own page when the grant names an EIN we have (990-PF grants list no EIN, so those link only on an exact, unique name and state). Grants to individuals are counted; their names are not shown.

2024 · 3 grants to organizations · $1.1M
2023 · 5 grants to organizations · $875K
2022 · 9 grants to organizations · $2.3M
2021 · 17 grants to organizations · $2.5M
2020 · 25 grants to organizations · $2.0M
2019 · 33 grants to organizations · $2.0M

Negative amounts are returned or refunded grants; they are listed last and left out of the totals of grants paid.

Who gave

Contributors listed on Schedule B of the Form 990-PF: name, city and state as filed (street addresses are not shown), with total and noncash contributions for the year. A link to an organization's page is tagged Fuzzy with its name-similarity score (0 to 1) when it rests on name and state; Schedule B lists no EIN, so no link here is an exact identifier match.

2023 · 1 contributor · $1.7M
#ContributorTypeCity, stateTotalNoncashSource
1 BY REALTY LLC Organization or other PROVIDENCE, RI $1,702,659$3,292,723 Form 990PF Sch. B, 2023 · filing
2022 · 1 contributor · $1.7M
#ContributorTypeCity, stateTotalNoncashSource
1 DAVID & GAIL MIXER Organization or other PROVIDENCE, RI $1,685,481- Form 990PF Sch. B, 2022 · filing

Contributors listed here are as reported on the filing. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.

Finances

Newest first. Each filing: its name on one row, its figures on the row beneath. Greyed filings are superseded by a later return for the same period and are left out everywhere else on this page.

RevenueExpensesAssetsNet assetsContributionsProgram revenueOfficer payEmployeesVolunteers
2024 · Form 990PF period ending 2024-12-31 · view filing · original 990 ↗
$1,320,452$1,481,569 $45,244,058$45,175,365 -- $0--
2023 · Form 990PF period ending 2023-12-31 · view filing · original 990 ↗
$3,756,006$1,482,717 $45,325,661$45,325,661 $1,702,659- $0--
2022 · Form 990PF period ending 2022-12-31 · view filing · original 990 ↗
$2,733,337$2,794,966 $43,075,822$43,075,822 $1,685,481- $0--
2021 · Form 990PF period ending 2021-12-31 · view filing · original 990 ↗
$1,937,678$3,113,339 $43,016,864$43,015,054 $0- $0--
2020 · Form 990PF period ending 2020-12-31 · view filing · original 990 ↗
$4,324,260$2,748,857 $42,804,814$42,803,004 $0- $0--
2019 · Form 990PF period ending 2019-12-31 · view filing · original 990 ↗
$8,986,439$2,668,631 $44,274,811$44,273,001 $0- $0--

Connected to

Organizations that list some of the same people on their returns (officers, directors, key employees on this organization’s latest return), and related organizations it lists on Schedule R.

Funders of this organization

Not reported: no grants to this organization appear in the filings we have (tax years 2010 to 2025).

Similar organizations

Ranked without any AI: same NTEE code first, then the same NTEE group; then revenue within 2x, 5x or 10x; then the same state; then similar name and mission text. Same state only · More (100)

OrganizationStateNTEELatest revenueLatest expensesTop-paid titleTop payWhy similar
THE WHITE FAMILY FOUNDATIONRIT20 $1,301,041$1,044,790 Executive Director$96,000 Same NTEE code T20, revenue within 2x, same state
SQUANTUM ASSOCIATION CHARITABLE FOUNDATIONRIT20 $1,180,634$84,966 OFFICER, DIR$0 Same NTEE code T20, revenue within 2x, same state
EDWARD J & VIRGINIA M ROUTHIER FOUNDATIONRIT20 $1,389,188$1,563,492 TRUSTEE$47,033 Same NTEE code T20, revenue within 2x, same state
EOS FOUNDATION TRTXT20 $1,233,732$1,078,908 TRUSTEE$0 Same NTEE code T20, revenue within 2x, similar name
TCDC FOUNDATIONUTT20 $1,299,666$65,274 PRESIDENT AND CHAIR$0 Same NTEE code T20, revenue within 2x, similar name
D3 FOUNDATIONTXT20 $1,187,311$383,158 President$0 Same NTEE code T20, revenue within 2x, similar name
WINKY FOUNDATION TRDET20 $1,424,119$1,868,841 TRUSTEE$8,297 Same NTEE code T20, revenue within 2x, similar name
M3K FOUNDATIONCAT20 $1,336,216$754,076 President & CEO$0 Same NTEE code T20, revenue within 2x, similar name
LPR FOUNDATIONART20 $1,204,564$637,369 TRUSTEE$0 Same NTEE code T20, revenue within 2x, similar name
RMF FOUNDATIONORT20 $1,200,673$1,877,542 PRESIDENT & DIRECTOR$0 Same NTEE code T20, revenue within 2x, similar name
AEN FOUNDATIONMOT20 $1,196,063$488,733 PRESIDENT, SECRETARY$0 Same NTEE code T20, revenue within 2x, similar name
CHEW FOUNDATIONMST20 $1,313,402$1,198,211 DIRECTOR$50,000 Same NTEE code T20, revenue within 2x, similar name
MAKO FOUNDATIONILT20 $1,368,813$460,060 PRESIDENT / DIRECTOR$0 Same NTEE code T20, revenue within 2x, similar name
FERDI FOUNDATIONILT20 $1,254,384$308,992 President$0 Same NTEE code T20, revenue within 2x, similar name
CASA FOUNDATIONCAT20 $1,421,823$552,152 Member$330,327 Same NTEE code T20, revenue within 2x, similar name
SPAN FOUNDATIONUTT20 $1,216,339$331,420 TRUSTEE$0 Same NTEE code T20, revenue within 2x, similar name
JOEL FOUNDATIONNYT20 $1,470,566$2,007,679 Director$0 Same NTEE code T20, revenue within 2x, similar name
TYNEWALD FOUNDATIONTNT20 $1,336,460$678,171 DIRECTOR$0 Same NTEE code T20, revenue within 2x, similar name
ALMAR FOUNDATIONLAT20 $1,354,358$1,165,181 Fdn Manager,trustee$36,000 Same NTEE code T20, revenue within 2x, similar name
RYDIN FOUNDATIONTXT20 $1,279,458$6,745,034 TRUSTEE$0 Same NTEE code T20, revenue within 2x, similar name
SOOCH FOUNDATIONTXT20 $1,384,071$1,150,304 PRESIDENT & TREASURER$0 Same NTEE code T20, revenue within 2x, similar name
LAJCK FOUNDATIONILT20 $1,258,423$384,346 President$0 Same NTEE code T20, revenue within 2x, similar name
INTEL FOUNDATIONORT20 $1,240,470$19,342,885 PRESIDENT (7/21/2025-PRESENT)$0 Same NTEE code T20, revenue within 2x, similar name
NIKOH FOUNDATIONILT20 $1,225,222$671,634 President$8,000 Same NTEE code T20, revenue within 2x, similar name
RANDS FOUNDATIONMAT20 $1,464,960$1,248,238 Trustee$0 Same NTEE code T20, revenue within 2x, similar name

Who funds organizations like this

Grantors that funded the 100 most similar organizations. Ranked by total given to them. Foundations (990-PF) and donor-advised fund sponsors only. Same matching as Funders above (by EIN, or by name for foundations).

GrantorTypeTotal givenGrantsOrganizations fundedYearsWhich ones
FIDELITY INVESTMENTS CHARITABLE GIFT FUND DAF sponsor$1,477,97510 32019–2024 FARAJA FUND FOUNDATION; MORSE FOUNDATION; CASA FOUNDATION
THE IRVING HARRIS FOUNDATION Private foundation$1,000,0001 12024–2024 MAKO FOUNDATION
VANGUARD CHARITABLE ENDOWMENT PROGRAM DAF sponsor$487,0005 12020–2024 FARAJA FUND FOUNDATION
MAC FIVE FOUNDATION INC Private foundation$275,0651 12025–2025 STARPATCH FOUNDATION
GATES FOUNDATION Private foundation$220,0002 12019–2020 CAMPION FOUNDATION
FORGOOD INC DAF sponsor$99,1615 12012–2016 FARAJA FUND FOUNDATION
FRANCIS P TORINO FOUNDATION Private foundation$75,0001 12014–2014 BRETT TORINO FOUNDATION
DONOR ADVISED CHARITABLE GIVING DAF sponsor$73,7206 22020–2024 FARAJA FUND FOUNDATION; MORSE FOUNDATION
EDWARDSON FAMILY FOUNDATION Private foundation$62,5006 12019–2025 FARAJA FUND FOUNDATION
MARTIN FABERT FOUNDATION Private foundation$50,0001 12011–2011 BULLITT FOUNDATION
BRETTLER FAMILY FOUNDATION Private foundation$50,0001 12016–2016 CAMPION FOUNDATION
THE AYCO CHARITABLE FOUNDATION DAF sponsor$40,9004 12020–2024 FARAJA FUND FOUNDATION
NATIONAL CHRISTIAN CHARITABLE FOUNDATION DAF sponsor$35,0002 12023–2024 FARAJA FUND FOUNDATION
SATTERBERG FOUNDATION Private foundation$25,0001 12021–2021 BULLITT FOUNDATION
THE CHICAGO COMMUNITY TRUST DAF sponsor$24,3833 12021–2023 FARAJA FUND FOUNDATION

The full list · all similar organizations

Where the money went

Every expense line on each return, biggest first: Form 990 Part IX (with its program, management and fundraising columns), 990-EZ Part I, or 990-PF Part I. Event marks lines the organization itself describes as events. “Events” in each summary adds those lines, conferences and meetings, and the direct costs of fundraising events. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.

2024 · Form 990PF · $1,481,569 spent · pay $0 · grants $1,097,471 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $1,097,471 74.1%
Fees: other professional $250,000 16.9%
Other expenses $64,915 4.4%
Fees: accounting $26,550 1.8%
Fees: legal $22,978 1.6%
Depreciation and depletion $18,770 1.3%
Taxes $885 0.1%
Total$1,481,569100%

View the filing

2023 · Form 990PF · $1,482,717 spent · pay $0 · grants $874,812 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $874,812 59.0%
Fees: other professional $250,000 16.9%
Other expenses $147,960 10.0%
Fees: legal $127,295 8.6%
Fees: accounting $49,771 3.4%
Depreciation and depletion $18,770 1.3%
Taxes $14,109 1.0%
Total$1,482,717100%

View the filing

2022 · Form 990PF · $2,794,966 spent · pay $0 · grants $2,274,798 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $2,274,798 81.4%
Fees: other professional $250,252 9.0%
Other expenses $112,937 4.0%
Fees: legal $79,407 2.8%
Taxes $68,522 2.5%
Fees: accounting $9,050 0.3%
Total$2,794,966100%

View the filing

2021 · Form 990PF · $3,113,339 spent · pay $0 · grants $2,529,868 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $2,529,868 81.3%
Fees: other professional $225,000 7.2%
Other expenses $152,892 4.9%
Taxes $112,988 3.6%
Fees: legal $68,076 2.2%
Fees: accounting $24,515 0.8%
Total$3,113,339100%

View the filing

2020 · Form 990PF · $2,748,857 spent · pay $0 · grants $2,049,550 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $2,049,550 74.6%
Other expenses $308,296 11.2%
Fees: other professional $225,000 8.2%
Taxes $133,793 4.9%
Fees: legal $25,068 0.9%
Fees: accounting $7,150 0.3%
Total$2,748,857100%

View the filing

2019 · Form 990PF · $2,668,631 spent · pay $0 · grants $2,005,800 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $2,005,800 75.2%
Other expenses $255,122 9.6%
Fees: other professional $225,344 8.4%
Taxes $154,565 5.8%
Fees: accounting $21,700 0.8%
Fees: legal $6,100 0.2%
Total$2,668,631100%

View the filing