Jane Street
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Jane Street’s Matrix Service MTRX Stock Holding History

Jane Street’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
-10,000
Closed -$117K – 12487
2025
Q4 		$117K Hold
10,000
– – ﹤0.01% 10101
2025
Q3 		$131K Buy
+10,000
New +$142K ﹤0.01% 9974

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

Jane Street's MTRX Position: Q1 2026 in Review

Jane Street increased its Matrix Service (MTRX) stake by 186% in Q1 2026, buying an estimated $2.42M and bringing the position to 313,175 shares worth $3.6M. The position accounts for ﹤0.01% of the portfolio, ranked #4030.

Jane Street first reported a position in MTRX in Q1 2014 and has held it in 15 quarters since. The position peaked at $4.02M in Q1 2024. 144 funds tracked by Wall St. Rank hold MTRX as of Q1 2026.

  • Jane Street held 313,175 shares of Matrix Service worth $3.6M as of Q1 2026.
  • Jane Street bought 203,567 Matrix Service shares in Q1 2026, an estimated $2.42M.
  • Matrix Service made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4030 holding.
  • Jane Street first reported a position in Matrix Service in Q1 2014 and has held it in 15 quarters since.
  • Jane Street's Matrix Service position peaked at $4.02M in Q1 2024.
  • 144 funds tracked by Wall St. Rank held Matrix Service as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.