A.R.T. Advisors, 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
A.R.T. Advisors, LLC ownership history of HORIZON PHARMA PLC
ValueSharesWeighting
Q1 2019$1,115,000
-8.8%
42,187
-32.6%
0.07%
-15.2%
Q4 2018$1,223,000
+7.3%
62,587
-22.1%
0.08%
+71.7%
Q1 2018$1,140,000
-47.6%
80,336
-4.2%
0.05%
-38.7%
Q1 2015$2,177,000
+89.3%
83,829
-6.1%
0.08%
+74.4%
Q4 2014$1,150,000
-45.3%
89,234
-47.9%
0.04%
-55.7%
Q3 2014$2,102,000171,1960.10%
Other shareholders
HORIZON PHARMA PLC shareholders Q4 2018
NameSharesValueWeighting ↓
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 6,609,894$109,460,0003.84%
Avoro Capital Advisors LLC 5,593,683$92,631,0003.57%
Broadfin Capital, LLC 1,339,575$22,183,0003.49%
SCOPIA CAPITAL MANAGEMENT LP 11,912,290$197,268,0003.45%
JW Asset Management, LLC 270,775$4,484,0002.86%
Rhenman & Partners Asset Management AB 1,632,212$27,029,0002.77%
Paulson & Co. 7,670,700$127,027,0002.60%
Redwood Investments, LLC 1,315,149$21,779,0001.50%
KOPP INVESTMENT ADVISORS LLC 93,220$1,544,0001.45%
1492 Capital Management LLC 72,951$1,208,0000.86%
View complete list of HORIZON PHARMA PLC shareholders