GROUP ONE TRADING, L.P. - MATRIX SVC CO ownership

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MATRIX SVC CO's ticker is and the CUSIP is 576853955. A total of 2 filers reported holding MATRIX SVC CO in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of MATRIX SVC CO
ValueSharesWeighting
Q3 2021$1,0000.0%1000.0%0.00%–
Q2 2021$1,000
-99.5%
100
-99.0%
0.00%
-100.0%
Q2 2015$183,000
+4.0%
10,0000.0%0.00%0.0%
Q1 2015$176,000
-33.6%
10,000
-9.1%
0.00%
-25.0%
Q3 2014$265,000–11,000–0.00%–
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Other shareholders
MATRIX SVC CO shareholders Q4 2014
NameSharesValueWeighting ↓
Elite Wealth Management, Inc. 215$7,0000.01%
GROUP ONE TRADING, L.P. 11,000$265,0000.00%
Citadel Advisors 6,500$157,0000.00%
View complete list of MATRIX SVC CO shareholders