Marine ProductsMPX
13F holders, Q4 2025 (December 31)74holders +4
6new positions
4sold out
2famous investors
$8.76avg. 13F price*
At the end of Q4 2025, 74 institutions reported holding Marine Products Corp. (MPX) in their 13F filings, up 4 from Q3 2025. 6 opened new positions and 4 sold out. The largest holders were Dimensional Fund Advisors LP ($6.5M), BlackRock, Inc. ($5.5M) and Vanguard Group Inc. ($5.1M). 2 famous investors held it, including Mario Gabelli (0.0% of GAMCO Investors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Marine Products Corp.
- CUSIP
- 568427108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $103K |
| Exits | 4 | $358K |
All 13F filers, Q3 2025 → Q4 2025: 235,471 shares bought and 209,102 shares sold, net +26,369 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 74 holders
| Dimensional Fund Advisors LP | 0.00% | Add +1.1% | 746,412 | $6.5M |
| BlackRock, Inc. | 0.00% | Add +0.2% | 631,459 | $5.5M |
| Vanguard Group Inc. | 0.00% | Add +1.4% | 584,071 | $5.1M |
| GAMCO Investors | 0.04% | Reduce -1.5% | 499,488 | $4.4M |
| Deprince Race & Zollo Inc. | 0.07% | Add +32.8% | 416,377 | $3.6M |
| De Lisle Partners LLP | 0.41% | No change | 363,696 | $3.2M |
| Russell Investments Group, Ltd. | 0.00% | Add +18.3% | 309,305 | $2.7M |
| Geode Capital Management, LLC | 0.00% | Add +0.8% | 249,784 | $2.2M |
| Gabelli Funds LLC | 0.01% | Add +0.2% | 232,500 | $2.0M |
| Teton Advisors, LLC | 1.36% | Reduce -8.0% | 224,000 | $2.0M |
| State Street Corp. | 0.00% | Add +1.6% | 183,271 | $1.6M |
| Bank of New York Mellon Corp | 0.00% | Reduce -40.5% | 144,565 | $1.3M |
| Morgan Stanley | 0.00% | Add +26.1% | 96,487 | $845K |
| Northern Trust Corp. | 0.00% | Reduce -2.1% | 90,709 | $795K |
| Hanover Advisors Inc. | 0.27% | No change | 78,135 | $684K |
| American Century Companies Inc. | 0.00% | Reduce -5.6% | 75,914 | $665K |
| Renaissance Technologies | 0.00% | Reduce -4.6% | 67,802 | $594K |
| Truist Financial Corp. | 0.00% | No change | 54,000 | $473K |
| Goldman Sachs Group Inc. | 0.00% | Add +65.4% | 44,128 | $387K |
| Pinnacle Financial Partners, Inc. | 0.00% | — | 30,565 | $268K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.1% | 25,760 | $226K |
| Nuveen, LLC | 0.00% | No change | 19,406 | $170K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 16,155 | $142K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +1.9% | 14,395 | $132K |
| Barclays PLC | 0.00% | Add +10.5% | 13,819 | $121K |
| Burney Co./ | 0.00% | Reduce -4.9% | 11,596 | $102K |
| Summit Financial Strategies, Inc. | 0.01% | Add +1.6% | 11,432 | $100K |
| Rhumbline Advisers | 0.00% | Reduce -15.0% | 10,756 | $94K |
| Bank of America Corp. | 0.00% | Add +10.6% | 10,703 | $94K |
| Alliancebernstein L.P. | 0.00% | No change | 10,440 | $91K |
| Susquehanna International Group, LLP | 0.00% | New | 10,056 | $88K |
| Wells Fargo & Company | 0.00% | Add +61.5% | 9,787 | $86K |
| FMR LLC | 0.00% | Add +76.3% | 8,469 | $74K |
| Osaic Holdings, Inc. | 0.00% | Reduce -21.9% | 6,732 | $59K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -66.7% | 6,136 | $52K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -1.6% | 4,200 | $37K |
| New York State Common Retirement Fund | 0.00% | No change | 4,171 | $37K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +70.5% | 4,071 | $36K |
| UBS Group AG | 0.00% | Reduce -12.2% | 4,093 | $36K |
| JPMorgan Chase & Co. | 0.00% | Reduce -1.7% | 4,034 | $35K |
| Royal Bank of Canada | 0.00% | Reduce -83.2% | 3,172 | $28K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 3,065 | $27K |
| BNP Paribas Financial Markets | 0.00% | Add +39.3% | 2,243 | $20K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -2.6% | 1,660 | $15K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 1,358 | $12K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -5.2% | 1,141 | $10K |
| Citigroup Inc. | 0.00% | Add +163.0% | 952 | $8K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 813 | $7K |
| Cwm, LLC | 0.00% | Reduce -7.9% | 774 | $7K |
| Legal & General Group Plc | 0.00% | No change | 739 | $6K |
| California State Teachers Retirement System | 0.00% | Reduce -16.2% | 533 | $5K |
| PNC Financial Services Group, Inc. | 0.00% | Add +6.3% | 519 | $5K |
| Princeton Global Asset Management LLC | 0.00% | No change | 500 | $4K |
| Harbor Capital Advisors, Inc. | 0.00% | Reduce -1.8% | 444 | $4K |
| Sterling Capital Management LLC | 0.00% | Add +7.0% | 304 | $3K |
| Triumph Capital Management | 0.00% | New | 271 | $2K |
| Amalgamated Bank | 0.00% | Reduce -1.4% | 276 | $2K |
| Deutsche Bank AG | 0.00% | No change | 213 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +15.7% | 162 | $1K |
| Optiver Holding B.V. | 0.00% | No change | 126 | $1K |
| Basecamp Wealth Advisors LLC | 0.00% | — | 123 | $1K |
| GAMMA Investing LLC | 0.00% | Reduce -39.1% | 112 | $981 |
| Torren Management, LLC | 0.00% | — | 110 | $964 |
| Cornerstone Planning Group LLC | 0.00% | New | 80 | $755 |
| Country Trust Bank | 0.00% | No change | 60 | $526 |
| Friedenthal Financial | 0.00% | No change | 31 | $275 |
| IFP Advisors, Inc | 0.00% | Reduce -26.7% | 22 | $193 |
| Essential Partners LLC | 0.00% | No change | 13 | $114 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -28.6% | 10 | $88 |
| True Wealth Design, LLC | 0.00% | Add +25.0% | 5 | $44 |
| Sunbelt Securities, Inc. | 0.00% | Reduce -20.0% | 4 | $35 |
| Rothschild Investment LLC | 0.00% | New | 2 | $18 |
| Allworth Financial LP | 0.00% | New | 2 | $18 |
| Covestor Ltd | 0.00% | Reduce -2.0% | 48 | $0 |
"% of holder's portfolio" is MPX's weight in each manager's 13F, not the share of Marine Products Corp. the manager owns.