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

• Tradewinds Global Investors owns 20.08M shares worth $142.92M
• T. Rowe Price Associates owns 19.57M shares worth $134.85M
• STATE STREET CORPORATION owns 11.46M shares worth $62.25M
• Vanguard owns 11.38M shares worth $61.79M
• Schneider Capital Management Corporation owns 9.00M shares worth $48.84M
• Vinik Asset Management owns 6.38M shares worth $34.66M
• GOLDMAN SACHS owns 5.87M shares worth $31.87M
• Wells Fargo & Company owns 5.30M shares worth $36.49M
• ING Investment Management Co Address: 10 State House Square owns 5.13M shares worth $28.87M
• Wellington Management Company owns 4.85M shares worth $35.54M
• Frank Russell Company owns 4.63M shares worth $25.63M
• --- --------------------- ---------------------- owns 4.38M shares worth $27.70M
• CITADEL ADVISORS owns 4.13M shares worth $22.45M
• DePrince Race & Zollo owns 3.90M shares worth $24.69M
• Renaissance Technologies owns 3.70M shares worth $25.47M
• Citi owns 3.52M shares worth $51.25M
• ----------------------------------------------------------------------------- owns 2.71M shares worth $18.65M
• LUMINUS MANAGEMENT owns 2.69M shares worth $14.61M
• D. E. Shaw & Co owns 2.68M shares worth $19.64M
• Soros Fund Management owns 2.59M shares worth $18.99M
• Barclays owns 2.29M shares worth $33.18M
• Thrivent Financial for Lutherans owns 2.12M shares worth $22.67M
• Jennison Associates owns 2.11M shares worth $30.64M
• Encompass Capital Advisors owns 2.08M shares worth $11.29M
• Foundation Resource Management owns 2.03M shares worth $11.01M
• ING Investment Management owns 1.89M shares worth $13.83M
• Cavalry Management owns 1.87M shares worth $13.67M
• S.A.C. Capital Advisors owns 1.83M shares worth $11.58M
• ING Groep N.V. owns 1.81M shares worth $9.81M
• Davidson Kempner Capital Management owns 1.70M shares worth $12.44M
• Millennium Management owns 1.65M shares worth $8.94M
• UBS AG owns 1.65M shares worth $11.34M
• New York State Common Retirement Fund owns 1.62M shares worth $23.56M
• Bank of America Corporation owns 1.48M shares worth $10.81M

• Norges Bank Investment Management sold on March 31, 2012
• Name Goodman & Company, Investment Counsel sold on Sept. 30, 2011
• FRED ALGER MANAGEMENT sold on Sept. 30, 2011
• CHILTON INVESTMENT sold on Sept. 30, 2011
• PEAK6 Investments sold on Sept. 30, 2011
• Credit Suisse AG sold on Sept. 30, 2011
• Sound Energy Partners sold on Sept. 30, 2011
• Magnetar Financial sold on June 30, 2011
• MOORE CAPITAL MANAGEMENT sold on June 30, 2011
• Iridian Asset Management sold on March 31, 2011
• Inves sold on Dec. 31, 2010
• PRIMECAP Management Company sold on Dec. 31, 2009
• Greenlight Capital sold on March 31, 2003

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