<ACCESSION-NUMBER>0000704051-18-000073 <TYPE>11-K <PUBLIC-DOCUMENT-COUNT>4 <PERIOD>20171231 <FILING-DATE>20180626 <DATE-OF-FILING-DATE-CHANGE>20180625 <FILER> <COMPANY-DATA> <CONFORMED-NAME>LEGG MASON, INC. <CIK>0000704051 <ASSIGNED-SIC>6282 <IRS-NUMBER>521200960 <STATE-OF-INCORPORATION>MD <FISCAL-YEAR-END>0331 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>11-K <ACT>34 <FILE-NUMBER>001-08529 <FILM-NUMBER>18917813 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>100 INTERNATIONAL DRIVE <CITY>BALTIMORE <STATE>MD <ZIP>21202 <PHONE>4105390000 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>100 INTERNATIONAL DRIVE <CITY>BALTIMORE <STATE>MD <ZIP>21202 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>LEGG MASON INC <DATE-CHANGED>19920703 </FORMER-COMPANY> </FILER>