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

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COLUMBIA LABS INC's ticker is and the CUSIP is 197779950. 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
Q3 2014$132,000
-62.9%
22,400
-56.9%
0.00%
-60.0%
Q2 2014$356,000
+38.0%
52,000
+45.7%
0.01%
+25.0%
Q1 2014$258,000
+369.1%
35,700
+330.1%
0.00%
+300.0%
Q4 2013$55,000–8,300–0.00%–
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Other shareholders

There were no reported owners of COLUMBIA LABS INC in Q4 2013.

NameSharesValueWeighting ↓
View complete list of COLUMBIA LABS INC shareholders