NewMarket Corporation (NEU)

INDUSTRIAL ORGANIC CHEMICALS

NewMarket Corporation (NEU) is listed on the New York Stock Exchange, where it has traded since June 1, 1972.

Listed On
the New York Stock Exchange
Listed Since
June 1, 1972
Employees
2,050
Market Cap
$8.0B

About NewMarket Corporation

NewMarket Corp is a holding company that, through its subsidiaries, manufactures and sells petroleum additives used in lubricating oils and fuels to enhance performance. The company operates through two segments: petroleum additives, mainly represented by Afton, where lubricant additives improve the efficiency and durability of base fluids and fuel additives help meet fuel specifications and improve fuel performance, and specialty materials, represented by AMPAC and Calca, including the antiknock compounds business of Ethyl, where primary raw materials include electricity, sodium chlorate, ammonia, chlorine, caustic, and hydrochloric acid, with graphite used in electrolytic cells. The company has operations in North America, Latin America, Asia Pacific, and EMEAI regions.

Institutional ownership

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. The largest reported holder was Vanguard, with 825,234 shares worth $653.0 million. Of the 5 largest holders listed below, 3 added shares and 2 reduced their positions during the quarter.

InstitutionSharesValueQuarter change
Vanguard825,234$653MReduced 4.59%
BlackRock703,123$556MReduced 1.89%
London Co of Virginia488,482$387MAdded 5.96%
Boston Partners323,902$256MAdded 28.98%
AQR Capital Management270,011$214MAdded 128.16%

Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.

Frequently asked questions

What is NEU?

NewMarket Corporation (NEU) is listed on the New York Stock Exchange, where it has traded since June 1, 1972.

Who are the largest institutional holders of NEU?

In 13F filings for the quarter ended June 30, 2026, the largest reported holders of NEU were Vanguard, BlackRock and London Co of Virginia.

How many institutions own NEU?

413 institutions reported a position in NEU for the quarter ended June 30, 2026, worth $4.7 billion in total.

Did institutions buy or sell NEU last quarter?

Of the 5 largest reported holders, 3 added shares and 2 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for NEU.

Every reported institutional holder, plus insider and congressional trades in NEU, on SentiSense.