CASTLEARK MANAGEMENT LLC - HORIZON PHARMA PLC ownership

HORIZON PHARMA PLC's ticker is HZNPXXXX and the CUSIP is G4617B105. A total of 242 filers reported holding HORIZON PHARMA PLC in Q4 2018. The put-call ratio across all filers is 0.48 and the average weighting 0.2%.

Quarter-by-quarter ownership
CASTLEARK MANAGEMENT LLC ownership history of HORIZON PHARMA PLC
ValueSharesWeighting
Q2 2019$8,733,000
-7.1%
362,980
+2.1%
0.34%
-5.4%
Q1 2019$9,397,000
+64.2%
355,538
+21.4%
0.35%
+45.1%
Q4 2018$5,724,000
-34.1%
292,960
-38.8%
0.24%
-7.2%
Q3 2016$8,684,000
-4.0%
478,965
+5.0%
0.26%
-9.6%
Q3 2015$9,042,000
-57.4%
456,218
-25.3%
0.29%
-48.7%
Q2 2015$21,212,000
-46.2%
610,600
-59.8%
0.57%
-40.4%
Q1 2015$39,450,000
+408.8%
1,519,050
+152.5%
0.95%
+375.5%
Q4 2014$7,753,000601,5000.20%
Other shareholders
HORIZON PHARMA PLC shareholders Q4 2018
NameSharesValueWeighting ↓
Scale Management, LLC 1,710,451$37,065,00056.74%
Broadfin Capital, LLC 8,131,310$176,205,00010.84%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 11,684,801$253,210,00010.26%
ATERNALIS CAPITAL LLC 410,000$8,885,0005.84%
JW Asset Management, LLC 673,075$14,586,0005.44%
NEXTHERA CAPITAL LP 144,000$3,120,0004.43%
NEUMEIER POMA INVESTMENT COUNSEL LLC 739,485$16,025,0002.77%
KINGDON CAPITAL MANAGEMENT, L.L.C. 2,519,955$54,607,0002.66%
Ratan Capital Management LP 500,000$10,835,0002.39%
TIGER MANAGEMENT L.L.C. 823,577$17,847,0002.30%
View complete list of HORIZON PHARMA PLC shareholders