GROUP ONE TRADING, L.P. - STANDARD MTR PRODS INC ownership

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STANDARD MTR PRODS INC's ticker is and the CUSIP is 853666955. A total of 1 filers reported holding STANDARD MTR PRODS INC in Q4 2013. 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 STANDARD MTR PRODS INC
ValueSharesWeighting
Q4 2013$4,000
-33.3%
100
-50.0%
0.00%–
Q3 2013$6,000
-87.5%
200
-85.7%
0.00%
-100.0%
Q2 2013$48,000–1,400–0.00%–
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Other shareholders
STANDARD MTR PRODS INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 100$4,0000.00%
View complete list of STANDARD MTR PRODS INC shareholders