GROUP ONE TRADING, L.P. - VANGUARD HEALTH SYS INC ownership

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of VANGUARD HEALTH SYS INC
ValueSharesWeighting
Q3 2013$607,000
+74.4%
28,900
+72.0%
0.01%
+33.3%
Q2 2013$348,00016,8000.01%
Other shareholders
VANGUARD HEALTH SYS INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 28,900$607,0000.01%
View complete list of VANGUARD HEALTH SYS INC shareholders