Tamarack Capital Management, LLC - ALKERMES PLC ownership

ALKERMES PLC's ticker is ALKS and the CUSIP is G01767105. A total of 290 filers reported holding ALKERMES PLC in Q4 2015. The put-call ratio across all filers is 0.77 and the average weighting 0.4%.

Quarter-by-quarter ownership
Tamarack Capital Management, LLC ownership history of ALKERMES PLC
ValueSharesWeighting
Q3 2015$21,415,000
-16.8%
365,000
-8.8%
2.55%
-13.9%
Q2 2015$25,736,000
+75.9%
400,000
+66.7%
2.96%
+53.5%
Q1 2015$14,633,000
-16.7%
240,000
-20.0%
1.93%
-27.7%
Q4 2014$17,568,000
-8.9%
300,000
-33.3%
2.66%
-37.7%
Q3 2014$19,292,000
-24.6%
450,000
-14.3%
4.28%
-18.1%
Q2 2014$25,573,000
+22.1%
525,000
+10.5%
5.22%
-0.2%
Q1 2014$20,943,000
-25.4%
475,000
-31.2%
5.23%
-21.3%
Q4 2013$28,055,000
+33.5%
690,000
+10.4%
6.64%
+19.4%
Q3 2013$21,013,000
+33.2%
625,000
+13.6%
5.56%
-37.0%
Q2 2013$15,774,000550,0008.84%
Other shareholders
ALKERMES PLC shareholders Q4 2015
NameSharesValueWeighting ↓
Woodford Investment Management Ltd 2,639,676$96,322,0007.78%
Meditor Group Ltd 892,400$32,564,0006.11%
INTERNATIONAL BIOTECHNOLOGY TRUST PLC 233,000$8,502,0003.14%
Tamarack Advisers, LP 140,000$5,109,0002.03%
Asymmetry Capital Management, L.P. 27,673$1,010,0001.69%
First Light Asset Management, LLC 211,164$7,705,0001.00%
BOGLE INVESTMENT MANAGEMENT L P /DE/ 304,992$11,129,0000.85%
Nicollet Investment Management, Inc. 28,020$1,022,0000.67%
PRIMECAP MANAGEMENT CO/CA/ 23,263,530$848,886,0000.62%
Rhenman & Partners Asset Management AB 120,399$4,393,0000.51%
View complete list of ALKERMES PLC shareholders