<ACCESSION-NUMBER>0001193125-18-116169 <TYPE>DEFA14A <PUBLIC-DOCUMENT-COUNT>17 <FILING-DATE>20180413 <DATE-OF-FILING-DATE-CHANGE>20180413 <EFFECTIVENESS-DATE>20180413 <FILER> <COMPANY-DATA> <CONFORMED-NAME>BlackRock Inc. <CIK>0001364742 <ASSIGNED-SIC>6211 <IRS-NUMBER>320174431 <STATE-OF-INCORPORATION>DE <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>DEFA14A <ACT>34 <FILE-NUMBER>001-33099 <FILM-NUMBER>18753215 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>55 EAST 52ND STREET <CITY>NEW YORK <STATE>NY <ZIP>10055 <PHONE>212-810-5300 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>55 EAST 52ND STREET <CITY>NEW YORK <STATE>NY <ZIP>10055 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>BlackRock, Inc. <DATE-CHANGED>20060929 </FORMER-COMPANY> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>New BlackRock, Inc. <DATE-CHANGED>20060601 </FORMER-COMPANY> </FILER>