OPERA LTD CALL is a security (CUSIP 68373M907) tracked across SEC portfolio filings. 4 institutional managers reported $1.5M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| SIMPLEX TRADING, LLC | CHICAGO, IL | $742K | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $481K | — |
| IMC-Chicago, LLC | CHICAGO, IL | $258K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |