Atika Capital Management LLC - OMNICARE INC ownership

OMNICARE INC's ticker is OCR and the CUSIP is 681904108. A total of 353 filers reported holding OMNICARE INC in Q1 2015. The put-call ratio across all filers is 0.12 and the average weighting 0.2%.

Quarter-by-quarter ownership
Atika Capital Management LLC ownership history of OMNICARE INC
ValueSharesWeighting
Q1 2015$4,008,000
+66.5%
52,000
+57.6%
2.68%
+52.1%
Q4 2014$2,407,000
+13.7%
33,000
-2.9%
1.76%
+8.1%
Q3 2014$2,117,000
-24.3%
34,000
-19.0%
1.63%
-28.4%
Q2 2014$2,796,000
+26.6%
42,000
+13.5%
2.27%
+21.0%
Q1 2014$2,208,000
-43.7%
37,000
-43.1%
1.88%
-46.1%
Q4 2013$3,923,00065,0003.49%
Other shareholders
OMNICARE INC shareholders Q1 2015
NameSharesValueWeighting ↓
IRIDIAN ASSET MANAGEMENT LLC/CT 5,049,268$368,243,0003.42%
HealthCor Management, L.P. 675,000$49,228,0002.74%
Somerset Group LLC 34,975$2,551,0002.27%
SANDLER CAPITAL MANAGEMENT 497,500$36,283,0001.91%
Clarkston Capital Partners, LLC 170,650$12,446,0001.88%
EXANE DERIVATIVES 180,712$13,178,888,0001.83%
Atika Capital Management LLC 33,000$2,407,0001.76%
COLONY GROUP LLC 227,587$16,598,0001.74%
COLRAIN CAPITAL LLC 257,000$18,743,0001.45%
SAMLYN CAPITAL, LLC 1,056,021$77,015,0001.34%
View complete list of OMNICARE INC shareholders