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David Shaw’s Matrix Service MTRX Stock Holding History

David Shaw’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
2014
Q3 		– Sell
-34,700
Closed -$1.14M – 4290
2014
Q2 		$1.14M Sell
34,700
-20,000
-37% -$660K ﹤0.01% 2822
2014
Q1 		$1.85M Buy
54,700
+34,700
+174% +$1.04M ﹤0.01% 2467
2013
Q4 		$489K Buy
+20,000
New +$427K ﹤0.01% 3743

Other funds holding MTRX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
GJL
Gendell Jeffrey L $11.3B AUM 163.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
HP
Harvey Partners Tarrytown, New York $1.46B AUM 78.13% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

David Shaw's MTRX Position: Q2 2026 in Review

David Shaw increased its Matrix Service (MTRX) stake by 314% in Q2 2026, buying an estimated $2.81M and bringing the position to 287,612 shares worth $3.94M. The position accounts for ﹤0.01% of the portfolio, ranked #2615.

David Shaw first reported a position in MTRX in Q2 2013 and has held it in 53 quarters since. The position peaked at $7.9M in Q1 2014. 150 funds tracked by Wall St. Rank hold MTRX as of Q2 2026.

  • David Shaw held 287,612 shares of Matrix Service worth $3.94M as of Q2 2026.
  • David Shaw bought 218,071 Matrix Service shares in Q2 2026, an estimated $2.81M.
  • Matrix Service made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #2615 holding.
  • David Shaw first reported a position in Matrix Service in Q2 2013 and has held it in 53 quarters since.
  • David Shaw's Matrix Service position peaked at $7.9M in Q1 2014.
  • 150 funds tracked by Wall St. Rank held Matrix Service as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.