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

OM GROUP INC's ticker is and the CUSIP is 670872950. A total of 1 filers reported holding OM GROUP INC in Q3 2013. 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 OM GROUP INC
ValueSharesWeighting
Q3 2015$1,493,000
+2388.3%
45,400
+2170.0%
0.02%
+2000.0%
Q1 2015$60,000
-72.1%
2,000
-75.9%
0.00%
-66.7%
Q3 2014$215,000
+115.0%
8,300
+176.7%
0.00%
+50.0%
Q1 2014$100,000
+1566.7%
3,000
+1400.0%
0.00%
Q2 2013$6,0002000.00%
Other shareholders
OM GROUP INC shareholders Q3 2013
NameSharesValueWeighting ↓
Citadel Advisors 8,700$294,0000.00%
View complete list of OM GROUP INC shareholders