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Greenhaven Road Investment Management’s Matrix Service MTRX Stock Holding History

Greenhaven Road Investment 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 		$160K Hold
13,969
– – 0.11% 14
2025
Q4 		$163K Hold
13,969
– – 0.03% 14
2025
Q3 		$183K Hold
13,969
– – 0.03% 15
2025
Q2 		$189K Hold
13,969
– – 0.06% 17
2025
Q1 		$162K Buy
13,969
+38
+0.3% +$509 0.07% 16
2024
Q4 		$167K Sell
13,931
-1,754
-11% -$21.5K 0.03% 18
2024
Q3 		$181K Sell
15,685
-298
-2% -$2.96K 0.08% 13
2024
Q2 		$159K Buy
15,983
+233
+1% +$2.66K 0.07% 15
2024
Q1 		$205K Buy
15,750
+1,968
+14% +$22.1K 0.09% 17
2023
Q4 		$135K Sell
13,782
-3,905
-22% -$42.4K 0.06% 17
2023
Q3 		$209 Buy
17,687
+787
+5% +$5.97K 0.01% 22
2023
Q2 		$91K Buy
+16,900
New +$92.5K ﹤0.01% 26

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

Greenhaven Road Investment Management's MTRX Position: Q1 2026 in Review

Greenhaven Road Investment Management held its Matrix Service (MTRX) position steady in Q1 2026 at 13,969 shares worth $160K. The position accounts for 0.11% of the portfolio, ranked #14.

Greenhaven Road Investment Management first reported a position in MTRX in Q2 2023 and has held it in 12 quarters since. The position peaked at $205K in Q1 2024. 144 funds tracked by Wall St. Rank hold MTRX as of Q1 2026.

  • Greenhaven Road Investment Management held 13,969 shares of Matrix Service worth $160K as of Q1 2026.
  • Greenhaven Road Investment Management left its Matrix Service share count unchanged in Q1 2026.
  • Matrix Service made up 0.11% of Greenhaven Road Investment Management's portfolio in Q1 2026, its #14 holding.
  • Greenhaven Road Investment Management first reported a position in Matrix Service in Q2 2023 and has held it in 12 quarters since.
  • Greenhaven Road Investment Management's Matrix Service position peaked at $205K in Q1 2024.
  • 144 funds tracked by Wall St. Rank held Matrix Service as of Q1 2026.

Based on Greenhaven Road Investment Management's 13F filing for Q1 2026, filed 15 May 2026.