Mariner’s Matrix Service MTRX Stock Holding History

Mariner’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 Q2	$239K	Buy	17,420 +7,043	+68%	+$90.7K	﹤0.01%	3017
2026 Q1	$119K	Buy	+10,377	New	+$124K	﹤0.01%	3289

Other funds holding MTRX

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 Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

GJL

Gendell Jeffrey L $11.3B AUM 163.05% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Harvey Partners Tarrytown, New York $1.46B AUM 78.13% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Mariner's MTRX Position: Q2 2026 in Review

Mariner increased its Matrix Service (MTRX) stake by 68% in Q2 2026, buying an estimated $90.7K and bringing the position to 17,420 shares worth $239K. The position accounts for ﹤0.01% of the portfolio, ranked #3017.

Mariner first reported a position in MTRX in Q1 2026 and has held it in 2 quarters since. 151 funds tracked by Wall St. Rank hold MTRX as of Q2 2026.

Mariner held 17,420 shares of Matrix Service worth $239K as of Q2 2026.
Mariner bought 7,043 Matrix Service shares in Q2 2026, an estimated $90.7K.
Matrix Service made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3017 holding.
Mariner first reported a position in Matrix Service in Q1 2026 and has held it in 2 quarters since.
151 funds tracked by Wall St. Rank held Matrix Service as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.