Baker Brothers Advisors - PORTOLA PHARMACEUTICALS INC ownership

PORTOLA PHARMACEUTICALS INC's ticker is PTLA and the CUSIP is 737010108. A total of 61 filers reported holding PORTOLA PHARMACEUTICALS INC in Q2 2013. The put-call ratio across all filers is - and the average weighting 1.0%.

Quarter-by-quarter ownership
Baker Brothers Advisors ownership history of PORTOLA PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2014$4,729,000
-18.2%
182,591
-18.6%
0.06%
-25.9%
Q4 2013$5,779,000
-28.0%
224,434
-25.2%
0.08%
-28.9%
Q3 2013$8,023,000
-18.3%
299,911
-25.0%
0.11%
-41.2%
Q2 2013$9,826,000399,9140.19%
Other shareholders
PORTOLA PHARMACEUTICALS INC shareholders Q2 2013
NameSharesValueWeighting ↓
MPM ASSET MANAGEMENT LLC 1,220,672$55,602,0009.30%
Fernwood Investment Management, LLC 201,211$9,165,0007.20%
Cormorant Asset Management, LP 500,000$22,775,0003.03%
Ghost Tree Capital, LLC 170,000$7,744,0002.51%
HARVEY CAPITAL MANAGEMENT INC 155,030$7,108,0002.40%
SECTORAL ASSET MANAGEMENT INC 1,169,130$53,254,0002.22%
Atika Capital Management LLC 98,000$4,464,0002.01%
Temasek Holdings (Private) Ltd 5,833,568$265,719,0001.66%
CABOT WEALTH MANAGEMENT INC 124,309$5,662,0001.38%
EMERALD MUTUAL FUND ADVISERS TRUST 314,689$14,334,0001.11%
View complete list of PORTOLA PHARMACEUTICALS INC shareholders