Who owns CALL (VIXW) CBOE MKT VOLATILITY FEB 23 22 $25 (100 SHS)? Institutional holders

CALL (VIXW) CBOE MKT VOLATILITY FEB 23 22 $25 (100 SHS): summary

No institution's latest stored 13F report lists CALL (VIXW) CBOE MKT VOLATILITY FEB 23 22 $25 (100 SHS).