FRONTIER GROUP HLDGS INC CALL is a security (CUSIP 35909R908) tracked across SEC portfolio filings. 5 institutional managers reported $559K on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Thomist Capital Management, LP | Houston, TX | $353K | — |
| IMC-Chicago, LLC | CHICAGO, IL | $181K | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $18K | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $7K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |