GROUP ONE TRADING, L.P. - COLUMBIA LABS INC ownership

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COLUMBIA LABS INC's ticker is and the CUSIP is 197779900. A total of 1 filers reported holding COLUMBIA LABS 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 COLUMBIA LABS INC
ValueSharesWeighting
Q1 2015$166,000
+201.8%
26,800
+235.0%
0.00%
+200.0%
Q2 2014$55,000
+52.8%
8,000
+60.0%
0.00%0.0%
Q1 2014$36,000
-76.3%
5,000
-78.3%
0.00%
-50.0%
Q4 2013$152,000–23,000–0.00%–
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Other shareholders
COLUMBIA LABS INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 23,000$152,0000.00%
View complete list of COLUMBIA LABS INC shareholders