. 9 %. ▁ 6 2 % ▁are ▁held ▁by ▁institution al ▁asset ▁man agers , ▁the ▁largest ▁being ▁two ▁divisions ▁of ▁the ▁world ' s ▁largest ▁asset ▁manager ▁Black R ock . ▁ 8 3 . 9 7 % ▁of ▁the ▁shares ▁are ▁considered ▁public ▁float , ▁however ▁including ▁such ▁strateg ic ▁invest ors ▁as ▁the ▁State ▁of ▁Q atar ▁( D IC ▁Company ▁Ltd .) ▁with ▁ 3 . 0 4 %, ▁the ▁Government ▁P ension ▁Fund ▁of ▁Norway ▁with ▁ 2 . 5 % ▁and ▁S iem ens ▁AG ▁itself ▁with ▁ 3 . 0 4 %. ▁ 1 9 % ▁are ▁held ▁by ▁private ▁invest ors , ▁ 1 3 % ▁by ▁invest ors ▁that ▁are ▁considered ▁un ident ifiable . ▁ 2 6 % ▁are ▁owned ▁by ▁German ▁invest ors , ▁ 2 1 % ▁by ▁US ▁invest ors , ▁followed ▁by ▁the ▁UK ▁( 1 1 % ), ▁France ▁( 8 % ), ▁Switzerland ▁( 8 %) ▁and ▁a ▁number ▁of ▁others ▁( 2 6 %). ▁ ▁Senior ▁management ▁Chair men ▁of ▁the ▁S iem ens - Sch uck ert werke ▁Man aging ▁Board ▁( 1 9 0 3 ▁to ▁ 1 9 6 6 ) ▁ ▁Alfred ▁Berliner ▁( 1 9 0 3 ▁to ▁ 1 9 1 2 ) ▁ ▁Carl ▁Friedrich ▁von ▁S iem ens ▁( 1 9 1 2 ▁to ▁ 1 9 1 9 ) ▁▁ ▁( 1 9 1 9 ▁to ▁ 1 9 2 0 ) ▁▁ ▁( 1 9