FORTALEZA ASSET MANAGEMENT INC/ - 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
FORTALEZA ASSET MANAGEMENT INC/ ownership history of PORTOLA PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2018$111,000
+98.2%
2,935
+70.1%
0.90%
+164.7%
Q1 2018$56,000
-33.3%
1,7250.0%0.34%
-35.6%
Q4 2017$84,000
-46.2%
1,725
-40.1%
0.53%
+85.3%
Q3 2017$156,000
-3.7%
2,8800.0%0.28%
-7.2%
Q2 2017$162,000
-16.1%
2,880
-41.5%
0.31%
-21.5%
Q1 2017$193,000
+0.5%
4,925
+31.7%
0.39%
+237.1%
Q4 2015$192,0003,7400.12%
Other shareholders
PORTOLA PHARMACEUTICALS INC shareholders Q1 2016
NameSharesValueWeighting ↓
Grace Capital 270,832$6,467,0005.27%
Fernwood Investment Management, LLC 336,111$8,026,0003.84%
Tamarack Advisers, LP 595,000$14,268,0003.26%
First Light Asset Management, LLC 1,008,957$24,094,0003.08%
NEXPOINT ASSET MANAGEMENT, L.P. 1,540,679$36,791,0002.79%
CADIAN CAPITAL MANAGEMENT, LP 2,133,343$50,944,0002.25%
SECTORAL ASSET MANAGEMENT INC 606,189$14,476,0002.16%
Asymmetry Capital Management, L.P. 49,431$1,180,0002.12%
Parkman Healthcare Partners LLC 275,505$6,579,0001.90%
HARVEY CAPITAL MANAGEMENT INC 150,751$3,599,0001.60%
View complete list of PORTOLA PHARMACEUTICALS INC shareholders