SABBY MANAGEMENT, LLC - PORTOLA PHARMACEUTICALS INC ownership

PORTOLA PHARMACEUTICALS INC's ticker is PTLA and the CUSIP is 737010108. A total of 172 filers reported holding PORTOLA PHARMACEUTICALS INC in Q1 2016. The put-call ratio across all filers is 0.45 and the average weighting 0.1%.

Quarter-by-quarter ownership
SABBY MANAGEMENT, LLC ownership history of PORTOLA PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2015$201,000
-57.9%
3,900
-65.2%
0.01%
-45.0%
Q3 2015$477,00011,2010.02%
Other shareholders
PORTOLA PHARMACEUTICALS INC shareholders Q1 2016
NameSharesValueWeighting ↓
Fernwood Investment Management, LLC 228,873$7,475,0004.17%
PFM Health Sciences, LP 5,326,671$173,969,0003.54%
Marcus Capital, LLC 22,950$750,0002.76%
Partner Investment Management, L.P. 72,284$2,361,0002.55%
CADIAN CAPITAL MANAGEMENT, LP 1,240,944$40,529,0002.19%
HARVEY CAPITAL MANAGEMENT INC 158,580$5,179,0001.94%
SECTORAL ASSET MANAGEMENT INC 498,412$16,278,0001.78%
Everett Capital Advisors UK LLP 551,173$18,001,0001.52%
ROSENBLUM SILVERMAN SUTTON S F INC /CA 125,210$4,089,0001.46%
Atika Capital Management LLC 113,000$3,691,0001.26%
View complete list of PORTOLA PHARMACEUTICALS INC shareholders