MARINE PRODUCTS CORP - MPX
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 767,510 | 5,579 | 0.0% | 0.0% | 1 | +21,098 | 2.83% | Q1 2026 | May 07, 2026 |
| VANGUARD GROUP INC | History | No change | 584,071 | 5,116 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| BlackRock, Inc. | History | Reduced | 625,523 | 4,547 | 0.0% | 0.0% | 3 | -5,936 | -0.94% | Q1 2026 | May 13, 2026 |
| GAMCO INVESTORS, INC. ET AL | History | Added to | 508,571 | 3,697 | 0.04% | 0.04% | 4 | +9,083 | 1.82% | Q1 2026 | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 450,268 | 3,273 | 0.0% | — | 5 | +450,268 | New | Q1 2026 | May 08, 2026 |
| DEPRINCE RACE & ZOLLO INC | History | Added to | 446,447 | 3,245 | 0.06% | 0.07% | 6 | +30,070 | 7.22% | Q1 2026 | Apr 24, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 387,577 | 2,817 | 0.0% | 0.0% | 7 | +78,272 | 25.31% | Q1 2026 | May 08, 2026 |
| De Lisle Partners LLP | History | No change | 363,696 | 2,639 | 0.32% | 0.41% | 8 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 249,784 | 2,188 | 0.0% | 0.0% | 9 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| GABELLI FUNDS LLC | History | No change | 232,500 | 1,690 | 0.01% | 0.01% | 10 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Teton Advisors, LLC | History | Reduced | 223,000 | 1,621 | 1.14% | 1.36% | 11 | -1,000 | -0.45% | Q1 2026 | May 14, 2026 |
| STATE STREET CORP | History | No change | 183,271 | 1,605 | 0.0% | 0.0% | 12 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Bank of New York Mellon Corp | History | Added to | 158,818 | 1,154 | 0.0% | 0.0% | 13 | +14,253 | 9.86% | Q1 2026 | May 05, 2026 |
| K2 PRINCIPAL FUND, L.P. | History | New | 120,216 | 873 | 0.06% | — | 14 | +120,216 | New | Q1 2026 | May 14, 2026 |
| MORGAN STANLEY | History | No change | 96,487 | 845 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | No change | 75,914 | 665 | 0.0% | 0.0% | 16 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 85,836 | 624 | 0.0% | 0.0% | 17 | -4,873 | -5.37% | Q1 2026 | May 14, 2026 |
| HANOVER ADVISORS INC | History | No change | 78,135 | 568 | 0.23% | 0.27% | 18 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 71,966 | 523 | 0.0% | — | 19 | +71,966 | New | Q1 2026 | May 08, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 66,002 | 479 | 0.0% | 0.0% | 20 | -1,800 | -2.65% | Q1 2026 | May 14, 2026 |
| ABC ARBITRAGE SA | History | New | 62,067 | 451 | 0.06% | — | 21 | +62,067 | New | Q1 2026 | May 04, 2026 |
| TRUIST FINANCIAL CORP | History | No change | 54,000 | 392 | 0.0% | 0.0% | 22 | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| GOLDMAN SACHS GROUP INC | History | No change | 44,128 | 386 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q4 2025 | Mar 25, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 51,904 | 377 | 0.0% | — | 24 | +51,904 | New | Q1 2026 | May 08, 2026 |
| Virtu Financial LLC | History | New | 31,178 | 227 | 0.01% | — | 25 | +31,178 | New | Q1 2026 | May 14, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 25,760 | 225 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Pinnacle Financial Partners, Inc. | History | No change | 30,565 | 222 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | No change | 16,155 | 142 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Nuveen, LLC | History | Added to | 19,523 | 141 | 0.0% | 0.0% | 29 | +117 | 0.6% | Q1 2026 | Apr 30, 2026 |
| BARCLAYS PLC | History | No change | 13,819 | 121 | 0.0% | 0.0% | 30 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| UBS Group AG | History | Added to | 15,602 | 113 | 0.0% | 0.0% | 31 | +11,509 | 281.19% | Q1 2026 | May 05, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | Added to | 14,442 | 103 | 0.0% | 0.0% | 32 | +47 | 0.33% | Q1 2026 | Apr 08, 2026 |
| BANK OF AMERICA CORP /DE/ | History | No change | 10,703 | 93 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | No change | 10,440 | 91 | 0.0% | 0.0% | 34 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | No change | 10,056 | 88 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 10,738 | 78 | 0.0% | 0.0% | 36 | -18 | -0.17% | Q1 2026 | May 12, 2026 |
| FMR LLC | History | No change | 8,469 | 74 | 0.0% | 0.0% | 37 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 6,732 | 58 | 0.0% | 0.0% | 38 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | No change | 4,200 | 36 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| CANADA LIFE ASSURANCE Co | History | Added to | 4,234 | 31 | 0.0% | 0.0% | 40 | +163 | 4.0% | Q1 2026 | May 14, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 4,171 | 30 | 0.0% | 0.0% | 41 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| ROYAL BANK OF CANADA | History | No change | 3,172 | 28 | 0.0% | 0.0% | 42 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 3,757 | 27 | 0.0% | 0.0% | 43 | -277 | -6.87% | Q1 2026 | May 13, 2026 |
| EverSource Wealth Advisors, LLC | History | Added to | 365 | 25 | 0.0% | — | 44 | +355 | 3550.0% | Q1 2026 | May 14, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 3,253 | 23 | 0.0% | 0.0% | 45 | -6,534 | -66.76% | Q1 2026 | May 11, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 3,065 | 22 | 0.0% | 0.0% | 46 | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |
| Vanguard Global Advisers, LLC | History | New | 2,990 | 21 | 0.0% | — | 47 | +2,990 | New | Q1 2026 | May 08, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | Added to | 2,229 | 16 | 0.0% | 0.0% | 48 | +871 | 64.14% | Q1 2026 | May 13, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 2,250 | 16 | 0.0% | 0.0% | 49 | +7 | 0.31% | Q1 2026 | May 12, 2026 |
| Tower Research Capital LLC (TRC) | History | No change | 1,141 | 9 | 0.0% | 0.0% | 50 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 813 | 5 | 0.0% | 0.0% | 51 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Legal & General Group Plc | History | Reduced | 681 | 4 | 0.0% | 0.0% | 52 | -58 | -7.85% | Q1 2026 | May 08, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | No change | 533 | 4 | 0.0% | 0.0% | 53 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| CITIGROUP INC | History | Reduced | 437 | 3 | 0.0% | 0.0% | 55 | -515 | -54.1% | Q1 2026 | May 11, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Added to | 540 | 3 | 0.0% | 0.0% | 54 | +21 | 4.05% | Q1 2026 | May 08, 2026 |
| HARBOR CAPITAL ADVISORS, INC. | History | No change | 444 | 3 | 0.0% | 0.0% | 56 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| CWM, LLC | History | Reduced | 322 | 2 | 0.0% | 0.0% | 57 | -452 | -58.4% | Q1 2026 | May 14, 2026 |
| Farther Finance Advisors, LLC | History | New | 145 | 1 | 0.0% | — | 62 | +145 | New | Q1 2026 | Apr 07, 2026 |
| Sterling Capital Management LLC | History | Reduced | 162 | 1 | 0.0% | 0.0% | 59 | -142 | -46.71% | Q1 2026 | Apr 22, 2026 |
| DEUTSCHE BANK AG\ | History | No change | 213 | 1 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| Triumph Capital Management | History | No change | 271 | 1 | 0.0% | 0.0% | 60 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Optiver Holding B.V. | History | No change | 126 | 1 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| BURNEY CO/ | History | Closed out | 0 | 0 | — | 0.0% | — | -11,596 | -100.0% | Q1 2026 | Apr 29, 2026 |
| Summit Financial Strategies, Inc. | History | Closed out | 0 | 0 | — | 0.01% | — | -11,432 | -100.0% | Q1 2026 | May 01, 2026 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -6,136 | -100.0% | Q1 2026 | May 08, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,660 | -100.0% | Q1 2026 | Apr 30, 2026 |
| Princeton Global Asset Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q1 2026 | Apr 22, 2026 |
| AMALGAMATED BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -276 | -100.0% | Q1 2026 | May 08, 2026 |
| SBI Securities Co., Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -162 | -100.0% | Q1 2026 | Apr 27, 2026 |
| Torren Management, LLC | History | Closed out | 0 | 0 | — | — | — | -110 | -100.0% | Q1 2026 | Apr 30, 2026 |
| Cornerstone Planning Group LLC | History | Closed out | 0 | 0 | — | — | — | -80 | -100.0% | Q1 2026 | May 06, 2026 |
| Friedenthal Financial | History | Closed out | 0 | 0 | — | — | — | -31 | -100.0% | Q1 2026 | Apr 20, 2026 |
| GAMMA Investing LLC | History | Reduced | 99 | 0 | — | — | — | -13 | -11.61% | Q1 2026 | Apr 06, 2026 |
| IFP Advisors, Inc | History | Reduced | 14 | 0 | — | — | — | -8 | -36.36% | Q1 2026 | Apr 13, 2026 |
| Root Financial Partners, LLC | History | New | 8 | 0 | — | — | — | +8 | New | Q1 2026 | Apr 24, 2026 |
| Covestor Ltd | History | Reduced | 44 | 0 | — | — | — | -4 | -8.33% | Q1 2026 | May 05, 2026 |
| Arax Advisory Partners | History | New | 4 | 0 | — | — | — | +4 | New | Q1 2026 | May 13, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q1 2026 | May 07, 2026 |
| True Wealth Design, LLC | History | Reduced | 4 | 0 | — | — | — | -1 | -20.0% | Q1 2026 | Apr 13, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 1 | 0 | — | — | — | +1 | New | Q1 2026 | May 11, 2026 |
| COUNTRY TRUST BANK | History | No change | 60 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 10, 2026 |
| Allworth Financial LP | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| Sunbelt Securities, Inc. | History | No change | 4 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 20, 2026 |