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

MYLAN INC's ticker is and the CUSIP is 628530957. A total of 7 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$6,932,000
+97.7%
116,800
+87.8%
0.11%
+105.7%
Q4 2014$3,506,00062,2000.05%
Other shareholders
MYLAN INC shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 62,200$3,506,0000.05%
Timber Hill LLC 180,500$10,175,0000.04%
Citadel Advisors 142,500$8,033,0000.01%
SIMPLEX TRADING, LLC 712$30,0000.00%
STIFEL FINANCIAL CORP 9,300$494,0000.00%
LUPO SECURITIES, LLC 165$3,361,0000.00%
WATER ISLAND CAPITAL LLC 97,800$1,956,0000.00%
View complete list of MYLAN INC shareholders