Who owns FIRST TRUST MUNI INCOME OPPTYS CLSD-END PORT SER 66 TERM 04/27/2022 R…? Institutional holders

FIRST TRUST MUNI INCOME OPPTYS CLSD-END PORT SER 66 TERM 04/27/2022 REINV FEE: summary

No institution's latest stored 13F report lists FIRST TRUST MUNI INCOME OPPTYS CLSD-END PORT SER 66 TERM 04/27/2022 REINV FEE.