AMPCO-PITTSBURG CORP COM is a security (CUSIP 032037903) tracked across SEC portfolio filings. 3 institutional managers reported $313K on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $208K | — |
| IMC-Chicago, LLC | CHICAGO, IL | $105K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |