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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
Prudential Financial
51
Prudential Financial
New Jersey
$909K -$2.54M -178,900 -72%
Victory Capital Management
52
Victory Capital Management
Texas
$889K -$11.4K -800 -1%
LCM
53
Legato Capital Management
California
$798K – – –
Ameriprise
54
Ameriprise
Minnesota
$791K -$741K -52,131 -46%
Invesco
55
Invesco
Georgia
$740K -$201K -14,136 -20%
Boston Partners
56
Boston Partners
Massachusetts
$714K -$11.2M -790,351 -94%
Citadel Advisors
57
Citadel Advisors
Florida
$694K +$754K +53,043 New
Barclays
58
Barclays
United Kingdom
$673K -$176K -12,411 -19%
Two Sigma Investments
59
Two Sigma Investments
New York
$664K +$721K +50,731 New
Squarepoint
60
Squarepoint
New York
$646K +$702K +49,386 New
T. Rowe Price Associates
61
T. Rowe Price Associates
Maryland
$621K -$85.1K -5,989 -11%
XT
62
XTX Topco
Cayman Islands
$605K +$235K +16,549 +56%
SO
63
STRS Ohio
Ohio
$593K +$79.6K +5,600 +14%
ECM
64
ExodusPoint Capital Management
New York
$576K +$626K +44,050 New
State of Wisconsin Investment Board
65
State of Wisconsin Investment Board
Wisconsin
$556K +$371K +26,103 +159%
N
66
Nuveen
North Carolina
$543K – – –
EC
67
EntryPoint Capital
New York
$528K +$195K +13,740 +52%
RhumbLine Advisers
68
RhumbLine Advisers
Massachusetts
$505K -$14.3K -1,005 -3%
VOYA Investment Management
69
VOYA Investment Management
Georgia
$501K -$71.1K -5,006 -12%
UBS Group
70
UBS Group
Switzerland
$488K -$179K -12,583 -25%
Wells Fargo
71
Wells Fargo
California
$478K +$45K +3,164 +9%
GCP
72
GSA Capital Partners
United Kingdom
$476K +$518K +36,425 New
PRCP
73
Pacific Ridge Capital Partners
Oregon
$466K – – –
Franklin Resources
74
Franklin Resources
California
$427K -$1.45M -102,149 -76%
Royal Bank of Canada
75
Royal Bank of Canada
Ontario, Canada
$397K +$11.2K +786 +3%
1 2
3
4 5

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.