GROUP ONE TRADING, L.P. - AMCOL INTL CORP ownership

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AMCOL INTL CORP's ticker is and the CUSIP is 02341W903. A total of 1 filers reported holding AMCOL INTL CORP 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 AMCOL INTL CORP
ValueSharesWeighting
Q1 2014$783,000
+2202.9%
17,100
+1610.0%
0.01%
+1200.0%
Q4 2013$34,000
+1033.3%
1,000
+900.0%
0.00%–
Q3 2013$3,000
-81.2%
100
-80.0%
0.00%–
Q2 2013$16,000–500–0.00%–
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Other shareholders
AMCOL INTL CORP shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 1,000$34,0000.00%
View complete list of AMCOL INTL CORP shareholders