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

ARIAD PHARMACEUTICALS INC's ticker is ARIA and the CUSIP is 04033A100. A total of 169 filers reported holding ARIAD PHARMACEUTICALS INC in Q4 2013. The put-call ratio across all filers is 1.46 and the average weighting 0.3%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ARIAD PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2016$309,000
-73.4%
48,395
-74.0%
0.00%
-71.4%
Q4 2015$1,162,000
-22.5%
185,893
-27.6%
0.01%
-33.3%
Q3 2015$1,499,000
+109.7%
256,723
+196.9%
0.02%
+110.0%
Q2 2015$715,000
-79.5%
86,469
-79.6%
0.01%
-81.8%
Q1 2015$3,489,000
-39.3%
423,372
-49.4%
0.06%
-36.8%
Q4 2014$5,746,000
+30.4%
836,416
+2.5%
0.09%
+27.9%
Q3 2014$4,406,000
-10.1%
815,845
+6.0%
0.07%
-9.3%
Q2 2014$4,901,000
+61.9%
769,421
+104.9%
0.08%
+47.1%
Q1 2014$3,027,000
-54.7%
375,573
-61.6%
0.05%
-49.5%
Q4 2013$6,675,000
+116.2%
978,746
+483.4%
0.10%
+71.2%
Q3 2013$3,087,000
+261.9%
167,779
+243.9%
0.06%
+181.0%
Q2 2013$853,00048,7930.02%
Other shareholders
ARIAD PHARMACEUTICALS INC shareholders Q4 2013
NameSharesValueWeighting ↓
Sarissa Capital Management LP 12,850,000$69,390,00026.80%
Opaleye Management Inc. 1,500,000$8,100,000,0006.31%
Camber Capital Management LP 6,000,000$32,400,0003.04%
Ghost Tree Capital, LLC 700,000$3,780,0002.05%
Granite Point Capital Management, L.P. 700,000$3,780,0001.88%
Duquesne Family Office 1,645,000$8,883,0001.09%
Geduld E E 272,200$1,470,0001.04%
Elk Creek Partners, LLC 659,232$3,560,0000.93%
Palo Alto Investors LP 2,231,717$12,051,0000.90%
HighVista Strategies LLC 1,200,000$6,480,0000.87%
View complete list of ARIAD PHARMACEUTICALS INC shareholders