NewMarket Corporation (NEU) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for NEU. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 413 institutions reported holding NEU, with 6.0 million shares worth $4.7 billion in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Vanguard825,234$653MDECREASED
BlackRock703,123$556MDECREASED
London Co of Virginia488,482$387MINCREASED
Boston Partners323,902$256MINCREASED
AQR Capital Management270,011$214MINCREASED

Full institutional holdings, insider history, and congressional trades for NewMarket Corporation on SentiSense.