As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 8/15/12‡ Advisory Research Inc.            13F-HR      6/30/12    1:19K                                                             
 5/15/12  Advisory Research Inc.            13F-HR      3/31/12    1:20K                                                             
 2/14/12  Advisory Research Inc.            13F-HR     12/31/11    1:17K                                                             
11/15/11  Advisory Research Inc.            13F-HR      9/30/11    1:16K                                                             
 8/11/11  Advisory Research Inc.            13F-HR      6/30/11    1:17K                                                             
 5/13/11  Advisory Research Inc.            13F-HR      3/31/11    1:18K                                    Piper Sandler Companies  
 2/11/11‡ Advisory Research Inc.            13F-HR     12/31/10    1:16K                                                             
11/12/10  Advisory Research Inc.            13F-HR      9/30/10    1:16K                                                             
 8/11/10  Advisory Research Inc.            13F-HR      6/30/10    1:15K                                                             
 5/14/10  Advisory Research Inc.            13F-HR      3/31/10    1:15K                                                             
 2/12/10  Advisory Research Inc.            13F-HR     12/31/09    1:15K                                                             
11/13/09  Advisory Research Inc.            13F-HR      9/30/09    1:17K                                                             
 8/14/09  Advisory Research Inc.            13F-HR      6/30/09    1:17K                                                             
 5/14/09  Advisory Research Inc.            13F-HR      3/31/09    1:17K                                                             
 2/13/09  Advisory Research Inc.            13F-HR     12/31/08    1:18K                                                             
11/14/08  Advisory Research Inc.            13F-HR      9/30/08    1:18K                                                             
 8/26/08  Advisory Research Inc.            13F-HR/A    6/30/08    1:19K                                                             
 8/13/08  Advisory Research Inc.            13F-HR      6/30/08    1:19K                                                             
 5/14/08  Advisory Research Inc.            13F-HR      3/31/08    1:20K                                                             
 2/14/08  Advisory Research Inc.            13F-HR     12/31/07    1:21K                                                             

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Type:
	13F-HR	Quarterly Holdings and Combination Report by a Money Manager — Form 13F.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.