GROUP ONE TRADING, L.P. - HORIZON PHARMA INC ownership

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HORIZON PHARMA INC's ticker is HZNP and the CUSIP is 44047T109. A total of 2 filers reported holding HORIZON PHARMA INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.2%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of HORIZON PHARMA INC
ValueSharesWeighting
Q3 2014$386,000
+5414.3%
31,469
+3294.7%
0.01%–
Q4 2013$7,000
-70.8%
927
-86.8%
0.00%–
Q3 2013$24,000
-73.9%
7,034
-81.2%
0.00%
-100.0%
Q2 2013$92,000–37,344–0.00%–
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Other shareholders
HORIZON PHARMA INC shareholders Q4 2014
NameSharesValueWeighting ↓
Bartlett & Co. LLC 3,000$3470.01%
Byrne Asset Management LLC 27$3,0000.00%
View complete list of HORIZON PHARMA INC shareholders