NEU NewMarket Corporation
NewMarket Corporation (NEU) Institutional Ownership
What the institutions did with NEU last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 703.1K | 11.7% |
| LONDON CO OF VIRGINIA | 488.5K | 8.1% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 416.1K | 6.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 348.8K | 5.8% |
| Boston Partners | 323.9K | 5.4% |
| AQR CAPITAL MANAGEMENT LLC | 270.0K | 4.5% |
| LSV ASSET MANAGEMENT | 237.8K | 4.0% |
| STATE STREET CORP | 234.1K | 3.9% |
| AMERICAN CENTURY COMPANIES INC | 209.4K | 3.5% |
| DIMENSIONAL FUND ADVISORS LP | 205.7K | 3.4% |
| GEODE CAPITAL MANAGEMENT, LLC | 190.9K | 3.2% |
| Gotham Asset Management, LLC | 130.9K | 2.2% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 102.2K | 1.7% |
| MORGAN STANLEY | 98.3K | 1.6% |
| Caisse de depot et placement du Quebec | 91.7K | 1.5% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 86.0K | 1.4% |
| NORTHERN TRUST CORP | 82.5K | 1.4% |
| NORGES BANK | 82.3K | 1.4% |
| GOLDMAN SACHS GROUP INC | 73.5K | 1.2% |
| Invesco Ltd. | 73.1K | 1.2% |
| Bank of New York Mellon Corp | 71.1K | 1.2% |
| BANK OF AMERICA CORP /DE/ | 60.8K | 1.0% |
| UBS Group AG | 59.1K | 1.0% |
| JPMORGAN CHASE & CO | 55.2K | 0.9% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 54.6K | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| AQR CAPITAL MANAGEMENT LLC | Increased | 118.3K | 270.0K | +151.7K |
| Gotham Asset Management, LLC | Increased | 37.7K | 130.9K | +93.2K |
| Boston Partners | Increased | 251.1K | 323.9K | +72.8K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 86.0K | 31.8K | -54.3K |
| Caisse de depot et placement du Quebec | Reduced | 134.0K | 91.7K | -42.3K |
| AMERICAN CENTURY COMPANIES INC | Increased | 168.6K | 209.4K | +40.8K |
| UBS Group AG | Reduced | 98.8K | 59.1K | -39.7K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 450.5K | 416.1K | -34.4K |
| Pacer Advisors, Inc. | Reduced | 35.7K | 2.6K | -33.1K |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Reduced | 52.0K | 22.0K | -30.0K |
| LSV ASSET MANAGEMENT | Reduced | 266.4K | 237.8K | -28.6K |
| LONDON CO OF VIRGINIA | Increased | 461.0K | 488.5K | +27.5K |
| CITADEL ADVISORS LLC | Reduced | 27.5K | 1.2K | -26.3K |
| FEDERATED HERMES, INC. | Increased | 710 | 24.2K | +23.5K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 33.1K | 9.9K | -23.2K |
| Weiss Asset Management LP | Sold Out | 21.0K | 0 | -21.0K |
| GOLDMAN SACHS GROUP INC | Increased | 52.7K | 73.5K | +20.8K |
| JANE STREET GROUP, LLC | New | 0 | 18.8K | +18.8K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 70.3K | 86.0K | +15.7K |
| JONES FINANCIAL COMPANIES LLLP | Increased | 33.5K | 47.6K | +14.1K |
| FIRST TRUST ADVISORS LP | Increased | 30.3K | 44.4K | +14.1K |
| NATIXIS ADVISORS, LLC | Increased | 36.2K | 50.2K | +14.0K |
| SEI INVESTMENTS CO | Reduced | 24.4K | 10.6K | -13.8K |
| Allianz Asset Management GmbH | Reduced | 45.2K | 31.4K | -13.8K |
| BlackRock, Inc. | Reduced | 716.7K | 703.1K | -13.6K |
| Susquehanna Portfolio Strategies, LLC | Increased | 815 | 13.1K | +12.3K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 194.5K | 205.7K | +11.2K |
| BANK OF AMERICA CORP /DE/ | Increased | 49.9K | 60.8K | +10.9K |
| MACKENZIE FINANCIAL CORP | New | 0 | 10.8K | +10.8K |
| ROYAL BANK OF CANADA | Increased | 7.5K | 17.7K | +10.3K |
| SCHRODER INVESTMENT MANAGEMENT GROUP | Sold Out | 9.1K | 0 | -9.1K |
| ExodusPoint Capital Management, LP | Sold Out | 8.3K | 0 | -8.3K |
| Mariner, LLC | Increased | 3.2K | 11.2K | +8.0K |
| BANK OF NOVA SCOTIA | Sold Out | 7.2K | 0 | -7.2K |
| BNP PARIBAS FINANCIAL MARKETS | Increased | 1.2K | 8.1K | +6.9K |
| FORA Capital, LLC | Sold Out | 6.2K | 0 | -6.2K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 184.7K | 190.9K | +6.2K |
| IEQ CAPITAL, LLC | New | 0 | 5.7K | +5.7K |
| Robeco Institutional Asset Management B.V. | Sold Out | 5.7K | 0 | -5.7K |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 354.3K | 348.8K | -5.5K |
| VICTORY CAPITAL MANAGEMENT INC | Reduced | 7.9K | 2.5K | -5.4K |
| Squarepoint Ops LLC | Reduced | 9.2K | 4.0K | -5.2K |
| LAZARD ASSET MANAGEMENT LLC | Reduced | 6.4K | 1.2K | -5.2K |
| Bank of New York Mellon Corp | Reduced | 76.2K | 71.1K | -5.2K |
| CITIGROUP INC | Increased | 8.3K | 13.3K | +5.0K |
| Cerity Partners LLC | Increased | 1.3K | 6.2K | +4.9K |
| MORGAN STANLEY | Increased | 93.5K | 98.3K | +4.9K |
| MARSHALL WACE, LLP | Sold Out | 4.8K | 0 | -4.8K |
| Ensign Peak Advisors, Inc | Reduced | 7.6K | 2.9K | -4.7K |
| FRANKLIN RESOURCES INC | Reduced | 11.7K | 7.1K | -4.5K |
| BOOTHBAY FUND MANAGEMENT, LLC | New | 0 | 4.5K | +4.5K |
| Mubadala Investment Co PJSC | Sold Out | 4.4K | 0 | -4.4K |
| XTX Topco Ltd | Reduced | 10.2K | 6.0K | -4.2K |
| Edgestream Partners, L.P. | New | 0 | 3.8K | +3.8K |
| HSBC HOLDINGS PLC | Sold Out | 3.8K | 0 | -3.8K |
| Aquatic Capital Management LLC | Reduced | 4.9K | 1.2K | -3.7K |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | Increased | 6.8K | 10.4K | +3.6K |
| MERCER GLOBAL ADVISORS INC /ADV | Reduced | 12.2K | 8.6K | -3.5K |
| Balyasny Asset Management L.P. | Sold Out | 3.5K | 0 | -3.5K |
| MARTINGALE ASSET MANAGEMENT L P | Reduced | 3.9K | 497 | -3.4K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.