PCM
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Portolan Capital Management’s Matrix Service MTRX Stock Holding History

Portolan Capital Management’s Portfolio MTRX Stock Details MTRX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2024
Q4 		– Sell
-509,059
Closed -$5.87M – 154
2024
Q3 		$5.87M Buy
509,059
+129,989
+34% +$1.29M 0.43% 75
2024
Q2 		$3.76M Sell
379,070
-344,248
-48% -$3.93M 0.31% 100
2024
Q1 		$9.42M Buy
723,318
+103,540
+17% +$1.16M 0.72% 50
2023
Q4 		$6.06M Buy
619,778
+175,490
+39% +$1.91M 0.53% 68
2023
Q3 		$5.24M Buy
+444,288
New +$3.37M 0.49% 65
2013
Q4 		– Sell
-15,041
Closed -$295K – 131
2013
Q3 		$295K Sell
15,041
-10,448
-41% -$175K 0.08% 120
2013
Q2 		$397K Buy
+25,489
New +$401K 0.11% 135

Other funds holding MTRX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
HP
Harvey Partners Tarrytown, New York $1.46B AUM 78.13% 1-Year Est. Return
NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
FWSM
First Wilshire Securities Management Pasadena, California $486M AUM 50.29% 1-Year Est. Return
ACM
Azarias Capital Management Berwyn, Pennsylvania $230M AUM 39.35% 1-Year Est. Return
AAM
ACK Asset Management Greenwich, Connecticut $856M AUM 70.44% 1-Year Est. Return
WCM
Westerly Capital Management San Francisco, California $542M AUM 48.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

Portolan Capital Management's MTRX Position: Q4 2024 in Review

Portolan Capital Management sold out of Matrix Service (MTRX) in Q4 2024, closing a stake of 509,059 shares — an estimated $5.87M sold.

Portolan Capital Management first reported a position in MTRX in Q2 2013 and held it in 7 quarters. The position peaked at $9.42M in Q1 2024. 123 funds tracked by Wall St. Rank hold MTRX as of Q4 2024.

  • Portolan Capital Management reported no remaining Matrix Service position as of Q4 2024 after selling out during the quarter.
  • Portolan Capital Management sold 509,059 Matrix Service shares in Q4 2024, an estimated $5.87M.
  • Portolan Capital Management first reported a position in Matrix Service in Q2 2013 and held it in 7 quarters.
  • Portolan Capital Management's Matrix Service position peaked at $9.42M in Q1 2024.
  • 123 funds tracked by Wall St. Rank held Matrix Service as of Q4 2024.

Based on Portolan Capital Management's 13F filing for Q4 2024, filed 13 Feb 2025.