Who owns CALL (AMGN) AMGEN INC DEC 18 20 $240 (100 SHS)? Institutional holders

CALL (AMGN) AMGEN INC DEC 18 20 $240 (100 SHS): summary

No institution's latest stored 13F report lists CALL (AMGN) AMGEN INC DEC 18 20 $240 (100 SHS).