CASTLEARK MANAGEMENT LLC - HORIZON PHARMA INC ownership

HORIZON PHARMA INC's ticker is HZNP and the CUSIP is 44047T109. A total of 97 filers reported holding HORIZON PHARMA INC in Q4 2013. The put-call ratio across all filers is 0.04 and the average weighting 0.5%.

Quarter-by-quarter ownership
CASTLEARK MANAGEMENT LLC ownership history of HORIZON PHARMA INC
ValueSharesWeighting
Q3 2014$10,749,000
+1.8%
710,928
+6.5%
0.31%
+5.2%
Q2 2014$10,560,000
-1.8%
667,503
-6.1%
0.29%
-4.9%
Q1 2014$10,749,000
+182.0%
710,928
+42.1%
0.31%
+175.7%
Q4 2013$3,812,000500,2580.11%
Other shareholders
HORIZON PHARMA INC shareholders Q4 2013
NameSharesValueWeighting ↓
Essex Woodlands Management, Inc. 5,815,940$88,982,00018.51%
Murphy Michael R 2,417,854$38,250,00012.16%
TANG CAPITAL MANAGEMENT LLC 1,000,000$15,820,0007.33%
Broadfin Capital, LLC 8,706,428$137,736,0006.78%
BENNETT LAWRENCE MANAGEMENT L L C/NY 1,088,815$17,225,0003.03%
HealthCor Management, L.P. 2,700,000$42,714,0002.14%
INSIGHT CAPITAL RESEARCH & MANAGEMENT INC 536,522$8,488,0001.94%
Iguana Healthcare Management, LLC 255,000$4,035,0001.88%
Seamans Capital Management, LLC 69,800$1,104,0001.54%
Timpani Capital Management LLC 202,623$3,205,0001.44%
View complete list of HORIZON PHARMA INC shareholders