Marine ProductsMPX
13F holders, Q2 2025 (June 30)71holders +6
9new positions
4sold out
2famous investors
$8.51avg. 13F price*
At the end of Q2 2025, 71 institutions reported holding Marine Products Corp. (MPX) in their 13F filings, up 6 from Q1 2025. 9 opened new positions and 4 sold out. The largest holders were Dimensional Fund Advisors LP ($6.3M), BlackRock, Inc. ($5.4M) and Vanguard Group Inc. ($4.8M). 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 Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 9 | $316K |
| Exits | 4 | $187K |
All 13F filers, Q1 2025 → Q2 2025: 177,115 shares bought and 101,488 shares sold, net +75,627 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 71 holders
| Dimensional Fund Advisors LP | 0.00% | Add +3.8% | 736,350 | $6.3M |
| BlackRock, Inc. | 0.00% | Reduce -1.9% | 635,976 | $5.4M |
| Vanguard Group Inc. | 0.00% | Add +0.8% | 567,080 | $4.8M |
| GAMCO Investors | 0.04% | Reduce -0.1% | 511,682 | $4.4M |
| De Lisle Partners LLP | 0.43% | Add +13.2% | 355,019 | $3.0M |
| Deprince Race & Zollo Inc. | 0.05% | Reduce -5.8% | 285,707 | $2.4M |
| Geode Capital Management, LLC | 0.00% | Add +1.0% | 248,087 | $2.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.3% | 245,901 | $2.1M |
| Teton Advisors, Inc. | 1.32% | Reduce -0.8% | 244,000 | $2.1M |
| Gabelli Funds LLC | 0.01% | Add +0.4% | 232,000 | $2.0M |
| Russell Investments Group, Ltd. | 0.00% | Add +6.5% | 218,093 | $1.9M |
| State Street Corp. | 0.00% | Reduce -0.5% | 185,914 | $1.6M |
| Northern Trust Corp. | 0.00% | Reduce -1.0% | 94,054 | $800K |
| American Century Companies Inc. | 0.00% | Reduce -0.1% | 84,505 | $719K |
| Hanover Advisors Inc. | 0.27% | No change | 78,135 | $665K |
| Morgan Stanley | 0.00% | Add +41.6% | 74,240 | $632K |
| Renaissance Technologies | 0.00% | Add +0.9% | 70,502 | $600K |
| Truist Financial Corp. | 0.00% | No change | 54,000 | $460K |
| Synovus Financial Corp. | 0.00% | No change | 30,565 | $260K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.2% | 25,735 | $219K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -16.8% | 25,416 | $216K |
| Los Angeles Capital Management LLC | 0.00% | Add +7.0% | 21,525 | $183K |
| Nuveen, LLC | 0.00% | Reduce -30.2% | 19,406 | $165K |
| T. Rowe Price Associates Inc. | 0.00% | Add +10.1% | 16,155 | $138K |
| Barclays PLC | 0.00% | Add +69.9% | 15,573 | $133K |
| Royal Bank of Canada | 0.00% | Add +1794.7% | 15,612 | $132K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +0.5% | 14,137 | $129K |
| Rhumbline Advisers | 0.00% | Reduce -37.8% | 13,390 | $114K |
| Kapitalo Investimentos Ltda | 0.02% | New | 13,124 | $112K |
| Burney Co./ | 0.00% | No change | 12,876 | $110K |
| Susquehanna International Group, LLP | 0.00% | Reduce -6.2% | 11,744 | $100K |
| Summit Financial Strategies, Inc. | 0.01% | Add +2.1% | 11,250 | $96K |
| Alliancebernstein L.P. | 0.00% | New | 10,440 | $89K |
| Bank of America Corp. | 0.00% | Add +0.1% | 10,283 | $88K |
| FMR LLC | 0.00% | Reduce -1.2% | 10,231 | $87K |
| Corient Private Wealth LP | 0.00% | New | 10,006 | $85K |
| Osaic Holdings, Inc. | 0.00% | Reduce -0.3% | 8,970 | $76K |
| Wells Fargo & Company | 0.00% | Add +5.3% | 5,094 | $43K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -4.5% | 5,027 | $43K |
| JPMorgan Chase & Co. | 0.00% | Reduce -15.4% | 4,869 | $41K |
| New York State Common Retirement Fund | 0.00% | No change | 4,171 | $35K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +95.8% | 3,535 | $30K |
| Citigroup Inc. | 0.00% | Reduce -50.8% | 3,072 | $26K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 3,065 | $26K |
| UBS Group AG | 0.00% | Reduce -74.8% | 3,022 | $26K |
| STRS Ohio | 0.00% | Reduce -68.5% | 2,900 | $25K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +19.3% | 2,396 | $20K |
| BNP Paribas Financial Markets | 0.00% | Add +46.6% | 1,063 | $9K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -64.4% | 960 | $8K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 813 | $7K |
| Legal & General Group Plc | 0.00% | No change | 739 | $6K |
| Cwm, LLC | 0.00% | Add +13.9% | 663 | $6K |
| California State Teachers Retirement System | 0.00% | No change | 636 | $5K |
| Trust Co. of Vermont | 0.00% | No change | 553 | $5K |
| Princeton Global Asset Management LLC | 0.00% | No change | 500 | $4K |
| PNC Financial Services Group, Inc. | 0.00% | Add +727.1% | 488 | $4K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +1.4% | 439 | $4K |
| Amalgamated Bank | 0.00% | No change | 280 | $2K |
| Deutsche Bank AG | 0.00% | No change | 213 | $2K |
| Raymond James Financial Inc. | 0.00% | New | 191 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +29.7% | 118 | $1K |
| GAMMA Investing LLC | 0.00% | New | 99 | $842 |
| Sterling Capital Management LLC | 0.00% | Add +5.8% | 91 | $774 |
| Jones Financial Companies LLLP | 0.00% | New | 86 | $748 |
| Country Trust Bank | 0.00% | New | 60 | $511 |
| Friedenthal Financial | 0.00% | New | 30 | $259 |
| IFP Advisors, Inc | 0.00% | Add +800.0% | 27 | $248 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -10.5% | 17 | $145 |
| Essential Partners LLC | 0.00% | — | 5 | $43 |
| True Wealth Design, LLC | 0.00% | Reduce -87.1% | 4 | $35 |
| Covestor Ltd | 0.00% | Reduce -36.6% | 52 | $0 |
"% of holder's portfolio" is MPX's weight in each manager's 13F, not the share of Marine Products Corp. the manager owns.