NewMarket Corporation (NEU) Ownership
NEU ownership summary
as of October 18, 2026- Institutions
- 67.6% of shares outstanding
- Insiders
- 19.16% of shares outstanding
- Shares outstanding
- 9.2M
- Float
- 7.6M shares available to trade
- Short interest
- 7.98% 586K shares short
- Days to cover
- 4.75 short interest up 13.5% vs prior month
- Institutions 67.59%
- Insiders 19.16%
- Other investors 13.25%
NEU top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 7.65% | 703K | $615.9M | −13,560 (−1.9%) | June 30, 2026 |
| 2 | London Company of Virginia | 5.31% | 488K | $427.9M | +27,455 (+6.0%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 4.52% | 416K | $364.5M | −34,417 (−7.6%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 3.79% | 349K | $305.6M | −5,457 (−1.5%) | June 30, 2026 |
| 5 | Boston Partners Global Investors, Inc | 3.52% | 324K | $283.7M | +72,780 (+29.0%) | June 30, 2026 |
| 6 | AQR Capital Management LLC | 2.94% | 270K | $236.5M | +151,670 (+128.2%) | June 30, 2026 |
| 7 | LSV Asset Management | 2.59% | 238K | $208.3M | −28,625 (−10.7%) | June 30, 2026 |
| 8 | State Street Corp | 2.55% | 234K | $205.0M | +422 (+0.2%) | June 30, 2026 |
| 9 | American Century Companies Inc | 2.28% | 209K | $183.5M | +40,792 (+24.2%) | June 30, 2026 |
| 10 | Dimensional Fund Advisors, Inc. | 2.24% | 206K | $180.2M | +11,154 (+5.7%) | June 30, 2026 |
| 11 | Geode Capital Management, LLC | 2.08% | 191K | $167.3M | +6,212 (+3.4%) | June 30, 2026 |
| 12 | Gotham Asset Management, LLC | 1.42% | 131K | $114.6M | +93,187 (+247.3%) | June 30, 2026 |
| 13 | Charles Schwab Investment Management Inc | 1.11% | 102K | $89.5M | −661 (−0.6%) | June 30, 2026 |
| 14 | Morgan Stanley - Brokerage Accounts | 1.07% | 98K | $86.1M | +4,863 (+5.2%) | June 30, 2026 |
| 15 | Caisse De Depot Et Placement Du Quebec | 1.00% | 92K | $80.3M | −42,321 (−31.6%) | June 30, 2026 |
| 16 | T. Rowe Price Associates, Inc. | 0.93% | 86K | $75.3M | +15,693 (+22.3%) | June 30, 2026 |
| 17 | Northern Trust Corp | 0.90% | 82K | $72.2M | +290 (+0.4%) | June 30, 2026 |
| 18 | NORGES BANK | 0.89% | 82K | $72.1M | −11,809 (−12.6%) | June 30, 2026 |
| 19 | The Goldman Sachs Group Inc | 0.80% | 74K | $64.4M | +20,815 (+39.5%) | June 30, 2026 |
| 20 | Amvescap Plc. | 0.79% | 73K | $64.0M | −1,648 (−2.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 445K shares and 8 cut 138K.
NEU top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Mid-Cap ETF | 2.96% | 272K | $238.2M | −96 (−0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.70% | 249K | $217.8M | −272 (−0.1%) | August 31, 2026 |
| 3 | JHancock Disciplined Value Mid Cap I | 2.07% | 190K | $166.8M | −1,656 (−0.9%) | August 31, 2026 |
| 4 | Vanguard Small Cap Index | 1.91% | 176K | $154.1M | −4,035 (−2.2%) | September 30, 2026 |
| 5 | Avantis US Small Cap Value ETF | 1.76% | 162K | $141.9M | — | September 30, 2026 |
| 6 | Touchstone Mid Cap Y | 1.73% | 159K | $139.4M | −58,855 (−27.0%) | September 30, 2026 |
| 7 | Vanguard MStar Small Cap Growth Indx Inv | 1.06% | 98K | $85.6M | −5,500 (−5.3%) | September 30, 2026 |
| 8 | Strategic Advisers Fidelity US TtlStk | 0.83% | 76K | $66.7M | +48,024 (+170.7%) | August 31, 2026 |
| 9 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.61% | 56K | $49.4M | +610 (+1.1%) | September 30, 2026 |
| 10 | Vanguard Equity-Income Inv | 0.55% | 50K | $44.1M | −26,268 (−34.3%) | June 30, 2026 |
| 11 | Fidelity Series Value Discovery | 0.50% | 46K | $40.0M | +45,664 (0.0%) | August 31, 2026 |
| 12 | iShares S&P Mid-Cap 400 Growth ETF | 0.48% | 44K | $38.6M | −48 (−0.1%) | September 30, 2026 |
| 13 | State Street SPDR Port S&P 400 Md CpETF | 0.44% | 40K | $35.3M | −56 (−0.1%) | September 30, 2026 |
| 14 | Schwab US Small-Cap ETF™ | 0.44% | 40K | $35.2M | +27 (+0.1%) | September 30, 2026 |
| 15 | Strategic Advisers U.S. Total Stock | 0.41% | 38K | $33.0M | — | August 31, 2026 |
| 16 | Fidelity Extended Market Index | 0.40% | 37K | $32.6M | −477 (−1.3%) | August 31, 2026 |
| 17 | Avantis US Large Cap Value ETF | 0.40% | 37K | $32.5M | +140 (+0.4%) | September 30, 2026 |
| 18 | DFA US Small Cap I | 0.38% | 35K | $30.8M | — | August 31, 2026 |
| 19 | T. Rowe Price Integrated US Sm Gr Eq | 0.37% | 34K | $29.6M | — | September 30, 2026 |
| 20 | Dimensional US Small Cap ETF | 0.33% | 30K | $26.6M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
NEU insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-24 | Ting Xu | Buy | $619.21 | 400 | $247,684 |
| 2025-05-12 | Bruce R Hazelgrove III | Sell | $642.43 | 311 | $199,796 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
NEU shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns NEU
Institutional investors own 67.6% of NewMarket's shares and insiders 19.16%. The largest holder is BlackRock Inc with 7.65% of the shares (703K), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 8 reduced their stake in the latest filings. Short interest is 7.98% of the float, or 4.75 days of average trading volume. The share count fell 24.7% since 2014.
Related: NEU key metrics, NEU dividend history. See the NEU stock overview for the latest quote and news.
NEU ownership FAQ
Who owns the most NewMarket stock?
The largest shareholders of NewMarket are BlackRock Inc (7.65%), London Company of Virginia (5.31%), Vanguard Portfolio Management, LLC (4.52%), Vanguard Capital Management, LLC (3.79%), Boston Partners Global Investors, Inc (3.52%).
What percentage of NewMarket is owned by institutions?
Institutions hold 67.6% of NewMarket's shares outstanding; insiders hold 19.16%.
Which funds own NewMarket?
The largest fund holders of NewMarket are iShares Core S&P Mid-Cap ETF (2.96%), Vanguard MStar Total Stk Mkt Idx Invest (2.70%), JHancock Disciplined Value Mid Cap I (2.07%), Vanguard Small Cap Index (1.91%), Avantis US Small Cap Value ETF (1.76%).
What is NewMarket's short interest?
586K shares of NewMarket were sold short, 7.98% of the float; at the average daily volume it would take 4.75 days to cover.
Are insiders buying or selling NewMarket?
Of the latest 2 reported insider transactions in NewMarket (since May 12, 2025), 1 were purchases and 1 were sales.
How many shares of NewMarket are outstanding?
NewMarket has 9.2M shares outstanding, of which 7.6M are in the public float.