▁acquired ▁over ▁time . ▁On ▁April ▁ 2 8 , ▁ 2 0 0 8 , ▁Mars ▁announced ▁that ▁it ▁would ▁ac quire ▁W rig ley ▁for ▁approximately ▁$ 2 3 ▁billion . ▁Fin ancing ▁for ▁the ▁transaction ▁was ▁provided ▁by ▁Ber k shire ▁H ath away , ▁Gold man ▁Sach s ▁and ▁J PM organ ; ▁Ber k shire ▁H ath away ▁held ▁a ▁minor ity ▁equ ity ▁invest ment ▁in ▁W rig ley ▁until ▁October ▁ 2 0 1 6 . ▁ ▁The ▁W rig ley ▁Building ▁on ▁Michigan ▁Avenue , ▁one ▁of ▁Chicago ' s ▁best - known ▁land marks ▁on ▁the ▁Magn ific ent ▁M ile , ▁was ▁originally ▁the ▁company ' s ▁global ▁headquarters ▁until ▁ 2 0 1 1 , ▁when ▁it ▁was ▁sold ▁to ▁an ▁invest or ▁group ▁that ▁included ▁Z eller ▁Real ty ▁Group ▁as ▁well ▁as ▁Gr ou pon ▁co - found ers ▁Eric ▁Le f k of sky ▁and ▁Brad ▁Key well . ▁The ▁company ▁has ▁been ▁head qu arter ed ▁in ▁the ▁G IC ▁since ▁ 2 0 1 2 . ▁ ▁In ▁ 2 0 1 6 , ▁Mars ▁announced ▁that ▁W rig ley ▁would ▁be ▁merged ▁with ▁its ▁ch oc olate ▁segment ▁to ▁form ▁a ▁new ▁subs idi ary , ▁Mars ▁W rig ley ▁Con fection ery . ▁The ▁new ▁company ▁will ▁maintain ▁global ▁offices ▁in ▁Chicago , ▁while ▁moving ▁its ▁U . S . ▁offices ▁to ▁New ▁Jersey , ▁in ▁H ack ett st own ▁and ▁New ark ,