NEWMARKET CORP COM is a security (CUSIP 651587957) tracked across SEC portfolio filings. 2 institutional managers reported $712K on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $712K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |