Who owns PUT (XSP) CBOE MINI SPX INDEX MAY 20 22 $390 (100 SHS)? Institutional holders

PUT (XSP) CBOE MINI SPX INDEX MAY 20 22 $390 (100 SHS): summary

No institution's latest stored 13F report lists PUT (XSP) CBOE MINI SPX INDEX MAY 20 22 $390 (100 SHS).