NewMarket Corporation
Ownership
Ownership Structure
Who owns NewMarket Corporation (NEU)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 83.0% of the shares are freely tradable; institutional investors hold 67.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 7.65 | 703,123 | -1.9 | 06/30/2026 |
| London Company of Virginia | 5.31 | 488,482 | +6.0 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.52 | 416,063 | -7.6 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.79 | 348,834 | -1.5 | 06/30/2026 |
| Boston Partners Global Investors, Inc | 3.52 | 323,902 | +29.0 | 06/30/2026 |
| AQR Capital Management LLC | 2.94 | 270,011 | +128.2 | 06/30/2026 |
| LSV Asset Management | 2.59 | 237,762 | -10.7 | 06/30/2026 |
| State Street Corp | 2.55 | 234,065 | +0.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 2.96 | 271,880 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.70 | 248,466 | -0.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Gottwald Bruce C | 10% Owner | 361,623 | 271,108,763 $ | Sep 9, 2026 | direct |
| Rogers James E | Director | 3,885 | 2,912,585 $ | Oct 2, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | Rogers James E | Director | Other | 12 | 0.00 | – |
| Sep 9, 2026 | Gottwald Bruce C | 10% Owner | Other | 132 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 3, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.