Who owns NewMarket Corporation?
Institutional ownership of NEU from SEC Form 13F filings across 284 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
284
13F holders
$2.95B
value, 2026 filers
42.3%
of shares outstanding (3.9M sh)
48
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of NEU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 703,123 | $556.3M | 0.0% | 7.6% | -1.9% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 416,063 | $329.2M | 0.0% | 4.5% | -7.6% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 348,834 | $276.0M | 0.0% | 3.8% | -50.8% |
| 4 | AMERICAN CENTURY COMPANIES INC | 209,436 | $165.7M | 0.1% | 2.3% | +24.2% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 190,942 | $151.1M | 0.0% | 2.1% | +3.4% |
| 6 | Sixth Street Partners Management Company, L.P.NEW | 102,184 | $80.9M | 14.0% | 1.1% | new |
| 7 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 102,184 | $80.9M | 0.0% | 1.1% | -0.6% |
| 8 | MORGAN STANLEY | 98,334 | $77.8M | 0.0% | 1.1% | +5.2% |
| 9 | Caisse de depot et placement du Quebec | 91,650 | $72.5M | 0.1% | 1% | -31.6% |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | 85,978 | $68,031 | 0.0% | 0.9% | +22.3% |
| 11 | NORTHERN TRUST CORP | 82,458 | $65.2M | 0.0% | 0.9% | +0.4% |
| 12 | NORGES BANKNEW | 82,266 | $65.1M | 0.0% | 0.9% | new |
| 13 | GOLDMAN SACHS GROUP INC | 73,501 | $58.2M | 0.0% | 0.8% | +39.5% |
| 14 | Invesco Ltd. | 73,081 | $57.8M | 0.0% | 0.8% | -2.2% |
| 15 | Bank of New York Mellon Corp | 71,085 | $56.2M | 0.0% | 0.8% | -6.8% |
| 16 | BANK OF AMERICA CORP /DE/ | 60,849 | $48.1M | 0.0% | 0.7% | +21.9% |
| 17 | UBS Group AG | 59,120 | $46.8M | 0.0% | 0.6% | -40.2% |
| 18 | JPMORGAN CHASE & CO | 55,231 | $43.9M | 0.0% | 0.6% | -1.4% |
| 19 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 54,629 | $43.2M | 0.0% | 0.6% | 0.0% |
| 20 | NATIXIS ADVISORS, LLC | 50,211 | $39,729 | 0.0% | 0.5% | +38.6% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 48,244 | $38.2M | 0.0% | 0.5% | -0.5% |
| 22 | JONES FINANCIAL COMPANIES LLLP | 47,595 | $37.7M | 0.0% | 0.5% | +42.2% |
| 23 | FIRST TRUST ADVISORS LP | 44,373 | $35.1M | 0.0% | 0.5% | +46.5% |
| 24 | ENVESTNET ASSET MANAGEMENT INC | 34,157 | $27.0M | 0.0% | 0.4% | -2.8% |
| 25 | MILLENNIUM MANAGEMENT LLC | 31,763 | $25.1M | 0.0% | 0.3% | -63.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.