NewmarketNEU
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 384 institutions reported holding Newmarket Corp. (NEU) in their 13F filings, down 32 from Q4 2025. 51 opened new positions and 79 sold out. The largest holders were BlackRock, Inc. ($459.4M), London Co. of Virginia ($295.5M) and Vanguard Portfolio Management LLC ($288.7M). 9 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Joel Greenblatt (0.1% of Gotham Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Newmarket Corp.
- CUSIP
- 651587107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 51 | $237.5M |
| Exits | 79 | $96.8M |
All 13F filers, Q4 2025 → Q1 2026: 964,768 shares bought and 1,348,330 shares sold, net −383,562 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 384 holders
| BlackRock, Inc. | 0.01% | Add +8.6% | 716,683 | $459.4M |
| London Co. of Virginia | 1.82% | Reduce -6.5% | 461,027 | $295.5M |
| Vanguard Portfolio Management LLC | 0.02% | — | 450,480 | $288.7M |
| Vanguard Capital Management LLC | 0.01% | — | 354,291 | $227.1M |
| LSV Asset Management | 0.37% | Reduce -0.5% | 266,387 | $170.7M |
| Boston Partners | 0.17% | New | 251,122 | $160.9M |
| State Street Corp. | 0.01% | Add +1.2% | 233,643 | $150.4M |
| Dimensional Fund Advisors LP | 0.03% | Add +6.7% | 194,507 | $124.7M |
| Geode Capital Management, LLC | 0.01% | Add +5.2% | 184,730 | $118.4M |
| American Century Companies Inc. | 0.06% | Add +32.4% | 168,644 | $108.1M |
| Caisse de depot et placement du Quebec | 0.14% | Add +15.5% | 133,971 | $85.9M |
| AQR Capital Management | 0.03% | Reduce -6.8% | 118,341 | $75.1M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +7.3% | 102,845 | $65.9M |
| UBS Group AG | 0.01% | Add +741.3% | 98,848 | $63.4M |
| Morgan Stanley | 0.00% | Add +16.6% | 93,471 | $59.9M |
| Millennium Management | 0.04% | Add +156.7% | 86,024 | $55.1M |
| Northern Trust Corp. | 0.01% | Add +2.2% | 82,168 | $52.7M |
| Bank of New York Mellon Corp | 0.01% | Reduce -12.2% | 76,249 | $48.9M |
| Invesco Ltd. | 0.00% | Reduce -1.0% | 74,729 | $47.9M |
| T. Rowe Price Associates Inc. | 0.01% | Add +4.2% | 70,285 | $45.0M |
| JPMorgan Chase & Co. | 0.00% | Add +3.3% | 56,024 | $35.2M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +1807.5% | 54,612 | $35.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +12.3% | 52,686 | $33.8M |
| Los Angeles Capital Management LLC | 0.13% | Add +157548.5% | 52,024 | $33.3M |
| Bank of America Corp. | 0.00% | Reduce -94.8% | 49,914 | $32.0M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 48,505 | $31.1M |
| Allianz Asset Management GmbH | 0.03% | Add +14.1% | 45,191 | $29.0M |
| DAVENPORT & Co LLC | 0.14% | Add +12.3% | 40,820 | $25.9M |
| Gotham Asset Management | 0.07% | Reduce -36.8% | 37,678 | $24.1M |
| Natixis Advisors, LLC | 0.03% | Add +12.4% | 36,228 | $23.2M |
| Pacer Advisors, Inc. | 0.07% | Add +16.6% | 35,713 | $22.9M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -0.7% | 35,140 | $22.5M |
| Renaissance Technologies | 0.03% | Add +136.7% | 33,100 | $21.2M |
| Jones Financial Companies LLLP | 0.01% | Add +5178.9% | 33,468 | $21.0M |
| Retirement Systems of Alabama | 0.07% | Add +0.7% | 30,761 | $19.7M |
| First Trust Advisors LP | 0.01% | Reduce -60.8% | 30,292 | $19.4M |
| HB Wealth Management, LLC | 0.12% | Add +0.3% | 29,946 | $19.2M |
| Citadel Advisors | 0.01% | New | 27,525 | $17.6M |
| Sei Investments Co. | 0.01% | Add +376.5% | 24,416 | $15.6M |
| Rhumbline Advisers | 0.01% | Add +4.7% | 24,202 | $15.5M |
| Wells Fargo & Company | 0.00% | Reduce -3.4% | 23,636 | $15.1M |
| Weiss Asset Management LP | 0.35% | New | 21,001 | $13.5M |
| Eubel Brady & Suttman Asset Management Inc. | 1.66% | Add +3.4% | 20,402 | $13.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +6.3% | 17,461 | $11.2M |
| Principal Financial Group Inc. | 0.01% | Add +3.9% | 17,363 | $11.1M |
| Swiss National Bank | 0.01% | No change | 15,740 | $10.1M |
| GAMCO Investors | 0.09% | No change | 14,500 | $9.3M |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.9% | 14,267 | $9.1M |
| Allspring Global Investments Holdings, LLC | 0.01% | Add +439.8% | 12,685 | $8.1M |
| Voya Investment Management LLC | 0.01% | Add +307.8% | 12,543 | $8.0M |
| Mercer Global Advisors Inc. | 0.01% | Add +853.3% | 12,164 | $7.8M |
| Nuveen, LLC | 0.00% | Add +4.4% | 11,943 | $7.7M |
| Franklin Resources Inc. | 0.00% | Reduce -45.8% | 11,674 | $7.5M |
| Legal & General Group Plc | 0.00% | Reduce -7.0% | 11,379 | $7.3M |
| Illinois Municipal Retirement Fund | 0.09% | Add +60.5% | 11,084 | $7.1M |
| State of Alaska, Department of Revenue | 0.07% | Add +0.9% | 10,684 | $6.8M |
| Alliancebernstein L.P. | 0.00% | Add +14.2% | 9,881 | $6.8M |
| Quantinno Capital Management LP | 0.01% | Reduce -46.4% | 10,581 | $6.8M |
| XTX Topco Ltd | 0.11% | New | 10,195 | $6.5M |
| Treasurer of the State of North Carolina | 0.02% | Add +11.9% | 9,350 | $6.0M |
| Raymond James Financial Inc. | 0.00% | Add +50.7% | 9,349 | $6.0M |
| California State Teachers Retirement System | 0.01% | Add +23.6% | 9,210 | $5.9M |
| Squarepoint Ops LLC | 0.01% | New | 9,206 | $5.9M |
| Schroder Investment Management Group | 0.00% | Reduce -16.1% | 9,068 | $5.7M |
| New York State Teachers Retirement System | 0.01% | Reduce -2.9% | 8,441 | $5.4M |
| ExodusPoint Capital Management, LP | 0.05% | Add +6.5% | 8,335 | $5.3M |
| Citigroup Inc. | 0.00% | Reduce -69.4% | 8,262 | $5.3M |
| Victory Capital Management Inc. | 0.00% | Reduce -72.4% | 7,897 | $5.1M |
| SCS Capital Management LLC | 0.05% | No change | 7,609 | $4.9M |
| Ensign Peak Advisors, Inc | 0.01% | Add +22.4% | 7,588 | $4.9M |
| Van Eck Associates Corp. | 0.00% | Add +3.7% | 7,475 | $4.8M |
| Royal Bank of Canada | 0.00% | Add +1.3% | 7,456 | $4.8M |
| Gabelli Funds LLC | 0.03% | No change | 7,400 | $4.7M |
| Bank of Nova Scotia | 0.01% | Add +18.0% | 7,200 | $4.6M |
| Clifford Swan Investment Counsel LLC | 0.15% | No change | 7,000 | $4.5M |
| O'shaughnessy Asset Management, LLC | 0.02% | Add +17.0% | 6,752 | $4.3M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -2.9% | 6,532 | $4.2M |
| Lazard Asset Management LLC | 0.01% | Reduce -14.3% | 6,414 | $4.1M |
| Engineers Gate Manager LP | 0.05% | Add +646.7% | 6,302 | $4.0M |
| FORA Capital, LLC | 0.29% | Add +107.9% | 6,219 | $4.0M |
| Assetmark, Inc. | 0.01% | Add +10.1% | 5,935 | $3.8M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +3.0% | 5,934 | $3.8M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 5,892 | $3.8M |
| Robeco Institutional Asset Management B.V. | 0.01% | Reduce -64.6% | 5,688 | $3.6M |
| Atlantic Union Bankshares Corp | 0.07% | No change | 5,652 | $3.6M |
| HRT Financial LP | 0.01% | New | 5,271 | $3.4M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +0.3% | 5,253 | $3.4M |
| Blue Edge Capital, LLC | 0.43% | Reduce -0.3% | 5,038 | $3.2M |
| M&T Bank Corp | 0.01% | Reduce -3.2% | 5,021 | $3.2M |
| Strategic Global Advisors, LLC | 0.51% | New | 4,994 | $3.2M |
| Aquatic Capital Management LLC | 0.09% | Add +45.5% | 4,939 | $3.2M |
| MML Investors Services, LLC | 0.01% | Reduce -4.4% | 4,875 | $3.1M |
| Union Heritage Capital, LLC | 1.14% | No change | 4,808 | $3.1M |
| TD Asset Management Inc | 0.00% | Reduce -30.4% | 4,800 | $3.1M |
| Marshall Wace, LLP | 0.00% | Add +55.5% | 4,760 | $3.1M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -5.5% | 4,740 | $3.0M |
| Neuberger Berman Group LLC | 0.00% | Reduce -4.3% | 4,563 | $2.9M |
| Mubadala Investment Co PJSC | 0.01% | New | 4,387 | $2.8M |
| Ritholtz Wealth Management | 0.05% | Add +42.5% | 4,363 | $2.8M |
| ING Groep NV | 0.02% | Reduce -41.9% | 4,300 | $2.8M |
"% of holder's portfolio" is NEU's weight in each manager's 13F, not the share of Newmarket Corp. the manager owns.