NEU: Newmarket Corp insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Institutional ownership (Q2 2026)
424 institutions reported holding $4.40B of Newmarket Corp on Form 13F (385 the quarter before). 85 opened a new position and 45 sold out. Shares held by institutions: +3%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 703,123 | $556.34M |
| LONDON CO OF VIRGINIA | 488,482 | $386.51M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 416,063 | $329.21M |
| VANGUARD CAPITAL MANAGEMENT LLC | 348,834 | $276.01M |
| Boston Partners | 323,902 | $256.00M |
| AQR CAPITAL MANAGEMENT LLC | 270,011 | $213.64M |
| STATE STREET CORP | 234,065 | $185.91M |
| AMERICAN CENTURY COMPANIES INC | 209,436 | $165.71M |
| DIMENSIONAL FUND ADVISORS LP | 205,661 | $162.73M |
| GEODE CAPITAL MANAGEMENT, LLC | 190,942 | $151.11M |
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