NEU · Insider trading · 13F holders · Congress trades
Newmarket Corp (NEU)
Who is buying and selling NEU: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 8
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 6
NEU at a glance
- No open-market insider purchases or sales of NEU were filed in the last 90 days.
- 8 13F filers hold NEU among their 50 largest positions, worth $517.3M combined, including Joel Greenblatt. The biggest bets by portfolio weight are North Forty Two & Co. (2.3%), London Co of Virginia (2.2%) and Eubel Brady & Suttman Asset Management Inc (2.0%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- Members of Congress have disclosed 6 NEU trades since 2019, 0 purchases and 6 sales in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Aug 6, 2019.
- NEU last closed at $794.97 on Oct 30, 2026.
NEU insider trading
No open-market insider purchases or sales of NEU were filed in the last 90 days.
Who owns NEU? Hedge funds and superinvestors
8 13F filers hold NEU among their 50 largest positions, worth $517.3M combined, including Joel Greenblatt. The biggest bets by portfolio weight are North Forty Two & Co. (2.3%), London Co of Virginia (2.2%) and Eubel Brady & Suttman Asset Management Inc (2.0%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Superinvestors holding NEU: Joel Greenblatt 0.2%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| London Co of VirginiaAsset manager | 2.2% | $386.5M | 488,482 | +6.0% shares | Q2 2026 |
| Joel GreenblattHedge fund | 0.2% | $103.5M | 130,865 | — | Q2 2026 |
| Eubel Brady & Suttman Asset Management IncWealth manager | 2.0% | $15.9M | 20,124 | -1.4% shares | Q2 2026 |
| Union Heritage Capital, LLCInstitutional asset manager | 1.3% | $3.8M | 4,808 | +0.0% shares | Q2 2026 |
| North Forty Two & Co.Wealth manager | 2.3% | $2.8M | 3,150 | +0.0% shares | Q3 2026 |
| Cobblestone Asset Management LLCWealth manager | 0.7% | $1.8M | 2,000 | +0.0% shares | Q3 2026 |
| Anfield Capital Management, LLCAsset manager | 0.5% | $1.8M | 2,742 | +0.0% shares | Q1 2026 |
| Ballew Advisors, IncInstitutional asset manager | 0.6% | $1.1M | 1,206 | -3.6% shares | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 3, Q2 2026: 4, Q1 2026: 1). Screen NEU in the grand portfolio →
NEU stock trades by members of Congress
Members of Congress have disclosed 6 NEU trades since 2019, 0 purchases and 6 sales in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Aug 6, 2019.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Sep 16, 2019 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Aug 6, 2019 | +78.7% |
| Sep 16, 2019 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Aug 5, 2019 | +78.7% |
| May 20, 2019 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Apr 1, 2019 | +85.0% |
| Apr 15, 2019 | Van TaylorR-TX · House | Sale | $1K–15K | Mar 25, 2019 | +83.8% |
| Feb 15, 2019 | Van TaylorR-TX · House | Sale | $1K–15K | Jan 9, 2019 | +94.8% |
| Jan 31, 2019 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Jan 10, 2019 | +95.8% |
2 members have traded NEU: Josh Gottheimer, Van Taylor.
NEU questions and answers
Are insiders buying NEU stock?
No open-market insider purchases or sales of NEU were filed in the last 90 days.
Which hedge funds own NEU?
8 13F filers hold NEU among their 50 largest positions, worth $517.3M combined, including Joel Greenblatt. The biggest bets by portfolio weight are North Forty Two & Co. (2.3%), London Co of Virginia (2.2%) and Eubel Brady & Suttman Asset Management Inc (2.0%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded NEU?
Members of Congress have disclosed 6 NEU trades since 2019, 0 purchases and 6 sales in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Aug 6, 2019.
Who is the largest holder of NEU?
Among 13F filers, London Co of Virginia reports the largest NEU position, $386.5M (488,482 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is North Forty Two & Co.'s: 2.3% of its portfolio.
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