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Matrix Service
MTRX

143 hedge funds and large institutions have $312M invested in Matrix Service in 2025 Q3 according to their latest regulatory filings, with 31 funds opening new positions, 54 increasing their positions, 39 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

158% more first-time investments, than exits

New positions opened: 31 | Existing positions closed: 12

136% more call options, than puts

Call options by funds: $1.09M | Put options by funds: $461K

38% more repeat investments, than reductions

Existing positions increased: 54 | Existing positions reduced: 39

15% more funds holding

Funds holding: 124 → 143 (+19)

4% less capital invested

Capital invested by funds: $326M → $312M (-$14.1M)

1.03% less ownership

Funds ownership: 87.47% → 86.45% (-1%)

33% less funds holding in top 10

Funds holding in top 10: 3 → 2 (-1)

Holders
143
Holders Change
+19
Holders Change %
+15.32%
% of All Funds
1.88%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
31
Increased
54
Reduced
39
Closed
12
Calls
$1.09M
Puts
$461K
Net Calls
+$625K
Net Calls Change
-$1.61M

Top Buyers

1
GJL
Gendell Jeffrey L
+$4.72M
2
WCM
Westerly Capital Management
California
+$3.98M
3
ACA
AYAL Capital Advisors
Ontario, Canada
+$3.2M
4
Millennium Management
Millennium Management
New York
+$2.84M
5
CP
CenterBook Partners
Connecticut
+$2.6M

Top Sellers

1
AAM
ACK Asset Management
Connecticut
-$14.7M
2
Boston Partners
Boston Partners
Massachusetts
-$11.2M
3
HP
Harvey Partners
New York
-$5.25M
4
FWSM
First Wilshire Securities Management
California
-$2.96M
5
Prudential Financial
Prudential Financial
New Jersey
-$2.54M
Name Holding Trade Value Shares
Change 		Change in
Stake
Deutsche Bank
76
Deutsche Bank
Germany
$389K +$53.9K +3,790 +15%
Creative Planning
77
Creative Planning
Kansas
$376K +$224K +15,748 +121%
Two Sigma Advisers
78
Two Sigma Advisers
New York
$369K +$93.8K +6,600 +31%
Assenagon Asset Management
79
Assenagon Asset Management
Luxembourg
$359K -$58.7K -4,131 -13%
BCM
80
Bridgeway Capital Management
Texas
$314K -$21.3K -1,500 -6%
D.E. Shaw & Co
81
D.E. Shaw & Co
New York
$307K +$62.1K +4,370 +23%
SFI
82
Susquehanna Fundamental Investments
Pennsylvania
$305K +$332K +23,335 New
Osaic Holdings
83
Osaic Holdings
Arizona
$298K +$42K +2,957 +18%
Ohio Public Employees Retirement System (OPERS)
84
Ohio Public Employees Retirement System (OPERS)
Ohio
$284K -$7.01K -493 -2%
DTL
85
Dynamic Technology Lab
Singapore
$269K -$14.9K -1,046 -5%
QT
86
Quantbot Technologies
New York
$269K +$281K +19,750 +2,497%
A
87
AlphaQuest
New York
$255K +$277K +19,482 New
SC
88
Saturna Capital
Washington
$230K -$88.7K -6,244 -26%
SOW
89
State of Wyoming
Wyoming
$228K +$9.89K +696 +4%
MIM
90
MetLife Investment Management
New Jersey
$199K – – –
EF
91
Empowered Funds
Pennsylvania
$197K +$214K +15,071 New
VCP
92
Verus Capital Partners
Arizona
$187K +$203K +14,300 New
GRIM
93
Greenhaven Road Investment Management
Connecticut
$183K – – –
IC
94
IEQ Capital
California
$173K -$49.3K -3,470 -21%
EGM
95
Engineers Gate Manager
New York
$166K +$181K +12,723 New
JF
96
Jump Financial
Illinois
$165K -$471K -33,124 -72%
Mirae Asset Global ETFs Holdings
97
Mirae Asset Global ETFs Holdings
Hong Kong
$163K +$177K +12,462 New
BNP Paribas Financial Markets
98
BNP Paribas Financial Markets
France
$162K +$140K +9,834 +389%
BHCM
99
Brevan Howard Capital Management
Jersey
$156K +$169K +11,900 New
PA
100
PharVision Advisers
Florida
$154K +$167K +11,762 New
2 3
4
5 6

MTRX Hedge Fund Activity: Q3 2025 in Review

143 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Matrix Service (MTRX) for Q3 2025, worth a combined $312M — down 4.3% from $326M a quarter earlier.

Buyers outnumbered sellers: 31 funds opened new MTRX positions and 12 closed out — a net gain of 19 holders — while 54 added to existing stakes and 39 trimmed.

The largest buyer was Gendell Jeffrey L, adding an estimated $4.72M. The largest seller was ACK Asset Management, exiting entirely with an estimated $14.7M sold.

  • 143 institutional investors held Matrix Service (MTRX) as of Q3 2025, up from 124 in Q2 2025.
  • Funds reported $312M of Matrix Service stock for Q3 2025, down 4.3% quarter-over-quarter.
  • 31 funds opened new Matrix Service positions in Q3 2025 and 12 closed out, a net change of +19 holders.
  • The largest Matrix Service buyer in Q3 2025 was Gendell Jeffrey L, an estimated $4.72M added.
  • The largest Matrix Service seller in Q3 2025 was ACK Asset Management, an estimated $14.7M sold.

Based on aggregated 13F filings for Q3 2025.