GROUP ONE TRADING, L.P. - BLACK DIAMOND INC ownership

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BLACK DIAMOND INC's ticker is and the CUSIP is 09202G901. A total of 1 filers reported holding BLACK DIAMOND 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 BLACK DIAMOND INC
ValueSharesWeighting
Q3 2015$136,000
-12.3%
21,600
+28.6%
0.00%0.0%
Q2 2015$155,000
-0.6%
16,800
+1.8%
0.00%0.0%
Q1 2015$156,000
+372.7%
16,500
+511.1%
0.00%
+100.0%
Q1 2014$33,000
-65.6%
2,700
-62.5%
0.00%0.0%
Q4 2013$96,000–7,200–0.00%–
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Other shareholders
BLACK DIAMOND INC shareholders Q4 2013
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 62$2,0000.00%
View complete list of BLACK DIAMOND INC shareholders