WELLINGTON MANAGEMENT GROUP LLP - OM GROUP INC ownership

OM GROUP INC's ticker is OMG and the CUSIP is 670872100. A total of 152 filers reported holding OM GROUP INC in Q2 2013. The put-call ratio across all filers is 0.42 and the average weighting 0.1%.

Quarter-by-quarter ownership
WELLINGTON MANAGEMENT GROUP LLP ownership history of OM GROUP INC
ValueSharesWeighting
Q2 2014$1,278,000
-37.7%
39,425
-36.1%
0.00%
-100.0%
Q1 2014$2,051,000
+19.2%
61,721
+30.7%
0.00%
Q4 2013$1,720,000
+217.9%
47,221
+194.7%
0.00%
Q3 2013$541,000
+9.1%
16,0210.0%0.00%
Q2 2013$496,00016,0210.00%
Other shareholders
OM GROUP INC shareholders Q2 2013
NameSharesValueWeighting ↓
SPRINGOWL ASSOCIATES LLC 69,678$2,092,0009.17%
Lorber David A 85,582$2,570,0007.45%
FrontFour Capital Group LLC 1,545,024$46,397,0007.17%
SIGNIA CAPITAL MANAGEMENT LLC 23,659$710,0001.88%
Rubric Capital Management, LLC 950,000$28,529,0001.80%
Cove Street Capital, LLC 421,660$12,662,0001.66%
WYNNEFIELD CAPITAL INC 125,000$3,754,0001.66%
Granahan Investment Management 1,421,462$42,687,0001.22%
INVESTMENT COUNSELORS OF MARYLAND LLC 832,493$25,000,0001.18%
Axel Capital Management, LLC 50,000$1,501,0001.05%
View complete list of OM GROUP INC shareholders