Company:  AFFILIATED MANAGERS GROUP ... (AMG)
Form Type:  4
Filing Date:  2/9/2012 
CIK:  0001004434 
Address:  600 HALE STREET
/
 
City, State, Zip:  PRIDES CROSSING, Massachusetts 01965 
Telephone:  (617) 747-3300 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$162.62  
Change: 
-1.40 (-0.85%)  
Trade Time: 
May 23  
Market Cap: 
$8.58B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES