GROUP ONE TRADING, L.P. - PORTOLA PHARMACEUTICALS INC ownership

PORTOLA PHARMACEUTICALS INC's ticker is and the CUSIP is 737010958. A total of 1 filers reported holding PORTOLA PHARMACEUTICALS INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of PORTOLA PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2020$3,379,000
+730.2%
187,800
+228.9%
0.02%
+433.3%
Q1 2020$407,000
-74.5%
57,100
-14.6%
0.00%
-72.7%
Q4 2019$1,598,000
+13.7%
66,900
+27.7%
0.01%0.0%
Q3 2019$1,405,000
+119.5%
52,400
+122.0%
0.01%
+83.3%
Q2 2019$640,000
-8.7%
23,600
+16.8%
0.01%
-25.0%
Q1 2019$701,000
-23.1%
20,200
-56.7%
0.01%0.0%
Q4 2018$912,000
-31.6%
46,700
-6.8%
0.01%
-27.3%
Q3 2018$1,334,000
-18.1%
50,100
+16.2%
0.01%
-21.4%
Q2 2018$1,628,000
-60.4%
43,100
-65.7%
0.01%
-65.9%
Q1 2018$4,109,000
-16.3%
125,800
+24.7%
0.04%
+17.1%
Q4 2017$4,912,000
+37.7%
100,900
+52.9%
0.04%
+9.4%
Q3 2017$3,566,000
+23.1%
66,000
+27.9%
0.03%
+6.7%
Q2 2017$2,898,000
+262.7%
51,600
+152.9%
0.03%
+233.3%
Q1 2017$799,000
+5.0%
20,400
-39.8%
0.01%
+28.6%
Q4 2016$761,000
-12.9%
33,900
-11.9%
0.01%
-22.2%
Q3 2016$874,000
+673.5%
38,500
+702.1%
0.01%
+800.0%
Q2 2016$113,000
-85.9%
4,800
-87.8%
0.00%
-90.9%
Q1 2016$800,000
+1303.5%
39,200
+3463.6%
0.01%
+1000.0%
Q4 2015$57,000
-50.4%
1,100
-59.3%
0.00%
-50.0%
Q3 2015$115,000
+26.4%
2,700
+35.0%
0.00%
+100.0%
Q2 2015$91,000
+116.7%
2,000
+81.8%
0.00%0.0%
Q1 2015$42,000
-92.7%
1,100
-94.6%
0.00%
-88.9%
Q4 2014$572,000
+157.7%
20,200
+129.5%
0.01%
+200.0%
Q3 2014$222,000
+77.6%
8,800
+104.7%
0.00%
+50.0%
Q2 2014$125,000
+303.2%
4,300
+258.3%
0.00%
+100.0%
Q1 2014$31,0001,2000.00%
Other shareholders
PORTOLA PHARMACEUTICALS INC shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 57,100$407,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 256$182,0000.00%
JPMORGAN CHASE & CO 75,000$535,0000.00%
View complete list of PORTOLA PHARMACEUTICALS INC shareholders