GROUP ONE TRADING, L.P. - MYLAN INC ownership

MYLAN INC's ticker is and the CUSIP is 628530907. A total of 5 filers reported holding MYLAN 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 MYLAN INC
ValueSharesWeighting
Q1 2015$6,671,000
+187.9%
112,400
+173.5%
0.10%
+200.0%
Q4 2014$2,317,00041,1000.04%
Other shareholders
MYLAN INC shareholders Q4 2014
NameSharesValueWeighting ↓
Calamos Advisors LLC 27,705$23,850,0000.16%
GROUP ONE TRADING, L.P. 41,100$2,317,0000.04%
SIMPLEX TRADING, LLC 294$233,0000.03%
Timber Hill LLC 70,800$3,991,0000.02%
Citadel Advisors 100,900$5,688,0000.01%
View complete list of MYLAN INC shareholders