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Oberweis Asset Management’s Matrix Service MTRX Stock Holding History

Oberweis Asset 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
2026
Q1 		– Sell
-226,575
Closed -$2.65M – 192
2025
Q4 		$2.65M Buy
226,575
+5,500
+2% +$69.1K 0.1% 154
2025
Q3 		$2.89M Hold
221,075
– – 0.11% 158
2025
Q2 		$2.99M Hold
221,075
– – 0.13% 159
2025
Q1 		$2.75M Hold
221,075
– – 0.14% 160
2024
Q4 		$2.65M Buy
221,075
+10,000
+5% +$123K 0.12% 170
2024
Q3 		$2.43M Hold
211,075
– – 0.12% 180
2024
Q2 		$2.1M Buy
211,075
+12,575
+6% +$144K 0.13% 173
2024
Q1 		$2.59M Buy
+198,500
New +$2.23M 0.19% 159
2020
Q1 		– Sell
-26,400
Closed -$604K – 192
2019
Q4 		$604K Sell
26,400
-1,200
-4% -$23.7K 0.2% 126
2019
Q3 		$473K Hold
27,600
– – 0.11% 146
2019
Q2 		$559K Buy
+27,600
New +$545K 0.1% 136
2016
Q1 		– Sell
-33,000
Closed -$678K – 188
2015
Q4 		$678K Buy
33,000
+16,900
+105% +$379K 0.19% 80
2015
Q3 		$362K Buy
+16,100
New +$326K 0.11% 117
2014
Q4 		– Sell
-120,562
Closed -$2.91M – 137
2014
Q3 		$2.91M Sell
120,562
-14,900
-11% -$414K 0.8% 38
2014
Q2 		$4.44M Buy
135,462
+6,818
+5% +$225K 1.1% 32
2014
Q1 		$4.35M Buy
128,644
+113,244
+735% +$3.39M 0.91% 32
2013
Q4 		$376K Hold
15,400
– – 0.09% 106
2013
Q3 		$302K Buy
+15,400
New +$258K 0.09% 105

Other funds holding MTRX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
NIM
Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return
GJL
Gendell Jeffrey L $7.34B AUM 183.72% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
WCM
Westerly Capital Management San Francisco, California $368M AUM 42.67% 1-Year Est. Return
HP
Harvey Partners Tarrytown, New York $1.26B AUM 64.44% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
ACM
Azarias Capital Management Berwyn, Pennsylvania $230M AUM 39.35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Oberweis Asset Management's MTRX Position: Q1 2026 in Review

Oberweis Asset Management sold out of Matrix Service (MTRX) in Q1 2026, closing a stake of 226,575 shares — an estimated $2.65M sold.

Oberweis Asset Management first reported a position in MTRX in Q3 2013 and held it in 18 quarters. The position peaked at $4.44M in Q2 2014. 144 funds tracked by Wall St. Rank hold MTRX as of Q1 2026.

  • Oberweis Asset Management reported no remaining Matrix Service position as of Q1 2026 after selling out during the quarter.
  • Oberweis Asset Management sold 226,575 Matrix Service shares in Q1 2026, an estimated $2.65M.
  • Oberweis Asset Management first reported a position in Matrix Service in Q3 2013 and held it in 18 quarters.
  • Oberweis Asset Management's Matrix Service position peaked at $4.44M in Q2 2014.
  • 144 funds tracked by Wall St. Rank held Matrix Service as of Q1 2026.

Based on Oberweis Asset Management's 13F filing for Q1 2026, filed 15 May 2026.