MATRIX SVC CO (MTRX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MTRX · Energy. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
18
13F filers
Aggregate Value
$60.5M
Across holders
Last Price
$10.70
2026-08-24
Sector
Energy
GICS
Quarterly fund activity13 increased5 reduced1 exited
Full exits: ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Institutional Holders of MTRX
18 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager990K$13.6M22.4%0.0%Added$-9.7MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund748K$10.2M16.9%0.0%Added+$1.5MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund594K$8.1M13.4%0.0%Added+$8.1MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund426K$5.8M9.6%0.0%Reduced+$3.5MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund288K$3.9M6.5%0.0%Added+$3.0MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund283K$3.9M6.4%0.0%Added+$367KQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund226K$3.1M5.1%0.0%Added+$73KQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund223K$3.1M5.1%0.0%Reduced$-4.9MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund194K$2.7M4.4%0.0%Added+$2.1MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund136K$1.9M3.1%0.0%Reduced$-4.7MQ2 2026
First Eagle Investment Management, LLCAdded
Institutional Manager
$13.6M· 22.4% of total· 0.0% port· 990K sh· $-9.7M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$10.2M· 16.9% of total· 0.0% port· 748K sh· +$1.5M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$8.1M· 13.4% of total· 0.0% port· 594K sh· +$8.1M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$5.8M· 9.6% of total· 0.0% port· 426K sh· +$3.5M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$3.9M· 6.5% of total· 0.0% port· 288K sh· +$3.0M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$3.9M· 6.4% of total· 0.0% port· 283K sh· +$367K QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$3.1M· 5.1% of total· 0.0% port· 226K sh· +$73K QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$3.1M· 5.1% of total· 0.0% port· 223K sh· $-4.9M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$2.7M· 4.4% of total· 0.0% port· 194K sh· +$2.1M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$1.9M· 3.1% of total· 0.0% port· 136K sh· $-4.7M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$1.3M· 2.2% of total· 0.0% port· 96K sh· +$988K QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$775K· 1.3% of total· 0.0% port· 57K sh· +$470K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$703K· 1.2% of total· 0.0% port· 51K sh· $-20K QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$397K· 0.7% of total· 0.0% port· 29K sh· $-15K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$384K· 0.6% of total· 0.0% port· 28K sh· QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$275K· 0.5% of total· 0.0% port· 20K sh· QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$246K· 0.4% of total· 0.0% port· 18K sh· QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$150K· 0.2% of total· 0.0% port· 11K sh· QoQ· Q2 2026
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