Is OMG a good stock to own? Find out who bought OM, who sold OM (OMG) stock, and who holds a large position in OM.

• Vanguard owns 1.87M shares worth $43.80M
• JPMORGAN CHASE & CO owns 1.26M shares worth $23.90M
• Ameriprise Financial owns 1.17M shares worth $22.24M
• Wentworth, Hauser & Violich owns 1.11M shares worth $24.74M
• Snow Capital Management owns 1.06M shares worth $24.82M
• Dreman Value Management owns 1.01M shares worth $27.86M
• Royce & Associates owns 866800 shares worth $20.35M
• LSV Asset Management owns 865658 shares worth $20.33M
• Proxima Capital Management owns 760374 shares worth $16.88M
• Investment Counselors of Maryland owns 671250 shares worth $15.76M
• STATE STREET CORPORATION owns 666283 shares worth $15.64M
• Sparta Asset Management owns 601968 shares worth $11.44M
• Lee Munder Capital owns 570890 shares worth $15.71M
• Cramer Rosenthal McGlynn owns 568675 shares worth $13.35M
• Signia Capital Management owns 531279 shares worth $12.47M
• Heather K. Mellem, Esq. owns 512290 shares worth $9.73M
• Frank Russell Company owns 494191 shares worth $11.67M
• GRANAHAN INVESTMENT MANAGEMENT INC/MA owns 474050 shares worth $11.13M
• Lakewood Capital Management owns 419684 shares worth $11.55M
• Opus Capital owns 388354 shares worth $7.20M
• Principal Financial owns 349212 shares worth $8.20M
• Oxford Asset Management owns 343248 shares worth $6.52M
• Name : WS Management owns 311500 shares worth $7.31M
• QS Investors owns 290900 shares worth $6.51M
• D. E. Shaw & Co owns 259085 shares worth $6.08M
• Inves owns 241229 shares worth $4.47M
• Tocqueville Asset Management owns 230200 shares worth $5.11M
• Batterymarch Financial Management owns 230030 shares worth $5.40M
• Jeffrey L. Gendell owns 230000 shares worth $5.11M
• Wolverine Asset Management owns 228544 shares worth $5.12M

• Norges Bank Investment Management sold on March 31, 2012
• ALLIANCEBERNSTEIN sold on Sept. 30, 2011
• AQR Capital Management sold on Sept. 30, 2011
• American Century Companies sold on Sept. 30, 2011
• HIGHBRIDGE CAPITAL MANAGEMENT sold on Sept. 30, 2011
• Teachers Advisors sold on Sept. 30, 2011
• Tahithromos sold on March 31, 2011
• FMR sold on Dec. 31, 2010
• Manulife Asset Management sold on March 31, 2008

• Microsoft Corporation (MSFT)
• Exxon Mobil Corporation (XOM)
• Johnson & Johnson (JNJ)
• Pfizer (PFE)
• General Electric Company (GE)
• Wells Fargo & Company (WFC)
• Vishay Intertechnology (VSH)
• Apple (AAPL)
• Baker Hughes Incorporated (BHI)
• ConocoPhillips (COP)
• International Business Machines (IBM)
• Merck & Co (MRK)
• Procter & Gamble Company (PG)
• Patterson-UTI Energy (PTEN)
• Rite Aid Corporation (RAD)
• InterDigital (IDCC)
• OM (OMG)
• MEMC Electronic Materials (WFR)
• SanDisk Corporation (SNDK)
• SWS (SWS)
• Lufkin Industries (LUFK)