GROUP ONE TRADING, L.P. - ENVISION HEALTHCARE HLDGS IN ownership

ENVISION HEALTHCARE HLDGS IN's ticker is and the CUSIP is 29413U903. A total of 3 filers reported holding ENVISION HEALTHCARE HLDGS IN 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 ENVISION HEALTHCARE HLDGS IN
ValueSharesWeighting
Q3 2016$234,000
-67.9%
10,500
-63.4%
0.00%
-66.7%
Q2 2016$728,000
+93.1%
28,700
+55.1%
0.01%
+80.0%
Q1 2016$377,000
+12466.7%
18,500
+18400.0%
0.01%
Q4 2015$3,000
-25.0%
1000.0%0.00%
Q3 2015$4,000
-99.0%
100
-99.0%
0.00%
-100.0%
Q1 2015$384,000
-39.1%
10,000
-45.1%
0.01%
-40.0%
Q4 2014$631,000
+264.7%
18,200
+264.0%
0.01%
+233.3%
Q3 2014$173,000
+30.1%
5,000
+35.1%
0.00%
+50.0%
Q2 2014$133,000
+1230.0%
3,700
+1133.3%
0.00%
Q1 2014$10,0003000.00%
Other shareholders
ENVISION HEALTHCARE HLDGS IN shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 18,200$631,0000.01%
SIMPLEX TRADING, LLC 26$6,0000.00%
Citadel Advisors 500$17,0000.00%
View complete list of ENVISION HEALTHCARE HLDGS IN shareholders