Group One Trading
MTRX icon

Group One Trading’s Matrix Service MTRX Stock Holding History

Group One Trading’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 		$115K Sell
10,000
-900
-8% -$10.7K ﹤0.01% 4605
2025
Q4 		$128K Buy
10,900
+10,000
+1,111% +$126K ﹤0.01% 4791
2025
Q3 		$11.8K Sell
900
-87,700
-99% -$1.25M ﹤0.01% 7076
2025
Q2 		$1.2M Buy
88,600
+74,800
+542% +$903K ﹤0.01% 2599
2025
Q1 		$172K Buy
13,800
+13,100
+1,871% +$175K ﹤0.01% 4150
2024
Q4 		$8.38K Buy
+700
New +$8.58K ﹤0.01% 6189
2024
Q3 		– Sell
-1,200
Closed -$11.9K – 7092
2024
Q2 		$11.9K Buy
+1,200
New +$13.7K ﹤0.01% 5548
2022
Q3 		– Sell
-3,300
Closed -$17K – 7982
2022
Q2 		$17K Buy
+3,300
New +$20.7K ﹤0.01% 6412
2021
Q4 		– Sell
-900
Closed -$9K – 8618
2021
Q3 		$9K Sell
900
-2,100
-70% -$22.5K ﹤0.01% 7553
2021
Q2 		$32K Buy
3,000
+1,600
+114% +$19.3K ﹤0.01% 6918
2021
Q1 		$18K Buy
+1,400
New +$18.7K ﹤0.01% 6800
2018
Q3 		– Sell
-2,900
Closed -$53K – 5455
2018
Q2 		$53K Buy
+2,900
New +$50.2K ﹤0.01% 3920
2017
Q4 		– Sell
-800
Closed -$12K – 5079
2017
Q3 		$12K Buy
800
+600
+300% +$6.83K ﹤0.01% 4236
2017
Q2 		$2K Buy
+200
New +$2.25K ﹤0.01% 4568
2016
Q3 		– Sell
-5,000
Closed -$82K – 4765
2016
Q2 		$82K Buy
+5,000
New +$84.3K ﹤0.01% 2994
2014
Q3 		– Sell
-2,200
Closed -$72K – 5343
2014
Q2 		$72K Buy
2,200
+100
+5% +$3.3K ﹤0.01% 3277
2014
Q1 		$71K Sell
2,100
-1,900
-48% -$56.9K ﹤0.01% 3366
2013
Q4 		$98K Buy
4,000
+3,400
+567% +$72.5K ﹤0.01% 3056
2013
Q3 		$12K Sell
600
-2,900
-83% -$48.6K ﹤0.01% 4418
2013
Q2 		$55K Buy
+3,500
New +$55K ﹤0.01% 3354

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

Group One Trading's MTRX Position: Q4 2025 in Review

Group One Trading sold out of Matrix Service (MTRX) in Q4 2025, closing a stake of 320 shares — an estimated $4.02K sold.

Group One Trading first reported a position in MTRX in Q4 2013 and held it in 22 quarters. The position peaked at $192K in Q1 2024. 144 funds tracked by Wall St. Rank hold MTRX as of Q4 2025.

  • Group One Trading reported no remaining Matrix Service position as of Q4 2025 after selling out during the quarter.
  • Group One Trading sold 320 Matrix Service shares in Q4 2025, an estimated $4.02K.
  • Group One Trading first reported a position in Matrix Service in Q4 2013 and held it in 22 quarters.
  • Group One Trading's Matrix Service position peaked at $192K in Q1 2024.
  • 144 funds tracked by Wall St. Rank held Matrix Service as of Q4 2025.

Based on Group One Trading's 13F filing for Q4 2025, filed 12 Feb 2026.