Marine ProductsMPX
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 65 institutions reported holding Marine Products Corp. (MPX) in their 13F filings, down 3 from Q4 2024. 3 opened new positions and 6 sold out. The largest holders were Dimensional Fund Advisors LP ($5.9M), BlackRock, Inc. ($5.4M) and Vanguard Group Inc. ($4.7M). 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 Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $202K |
| Exits | 6 | $461K |
All 13F filers, Q4 2024 → Q1 2025: 174,262 shares bought and 169,767 shares sold, net +4,495 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 65 holders
| Dimensional Fund Advisors LP | 0.00% | Add +3.7% | 709,168 | $5.9M |
| BlackRock, Inc. | 0.00% | Reduce -1.3% | 648,230 | $5.4M |
| Vanguard Group Inc. | 0.00% | Add +3.0% | 562,345 | $4.7M |
| GAMCO Investors | 0.05% | Reduce -0.3% | 512,183 | $4.3M |
| De Lisle Partners LLP | 0.44% | Add +1.0% | 313,761 | $2.6M |
| Deprince Race & Zollo Inc. | 0.05% | Add +14.3% | 303,265 | $2.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.2% | 246,745 | $2.1M |
| Teton Advisors, Inc. | 1.33% | Reduce -0.8% | 246,000 | $2.1M |
| Geode Capital Management, LLC | 0.00% | Add +3.1% | 245,623 | $2.1M |
| Gabelli Funds LLC | 0.01% | Add +0.2% | 231,000 | $1.9M |
| Russell Investments Group, Ltd. | 0.00% | Add +21.4% | 204,792 | $1.7M |
| State Street Corp. | 0.00% | Add +2.4% | 186,800 | $1.6M |
| Northern Trust Corp. | 0.00% | Reduce -3.4% | 94,998 | $797K |
| American Century Companies Inc. | 0.00% | No change | 84,623 | $710K |
| Hanover Advisors Inc. | 0.28% | No change | 78,135 | $656K |
| Renaissance Technologies | 0.00% | Reduce -1.0% | 69,902 | $586K |
| Truist Financial Corp. | 0.00% | No change | 54,000 | $453K |
| Morgan Stanley | 0.00% | Add +1.7% | 52,436 | $440K |
| Synovus Financial Corp. | 0.00% | No change | 30,565 | $256K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -28.8% | 30,531 | $256K |
| Nuveen, LLC | 0.00% | — | 27,813 | $233K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +8.2% | 25,788 | $216K |
| Rhumbline Advisers | 0.00% | Add +66.6% | 21,525 | $181K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -12.4% | 20,125 | $169K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 14,668 | $124K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +2.3% | 14,070 | $118K |
| Burney Co./ | 0.00% | New | 12,876 | $108K |
| Susquehanna International Group, LLP | 0.00% | Reduce -32.0% | 12,523 | $105K |
| UBS Group AG | 0.00% | Add +37.0% | 12,007 | $101K |
| Triumph Capital Management | 0.03% | Reduce -27.3% | 11,771 | $99K |
| Summit Financial Strategies, Inc. | 0.01% | New | 11,023 | $92K |
| FMR LLC | 0.00% | Reduce -14.2% | 10,357 | $87K |
| Bank of America Corp. | 0.00% | Reduce -28.0% | 10,275 | $86K |
| STRS Ohio | 0.00% | Reduce -76.5% | 9,200 | $77K |
| Barclays PLC | 0.00% | Reduce -32.2% | 9,166 | $77K |
| Osaic Holdings, Inc. | 0.00% | Add +33.2% | 8,997 | $75K |
| Citigroup Inc. | 0.00% | Reduce -10.4% | 6,243 | $52K |
| Lazard Asset Management LLC | 0.00% | Reduce -62.6% | 6,070 | $50K |
| JPMorgan Chase & Co. | 0.00% | Reduce -59.6% | 5,759 | $48K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.7% | 5,261 | $44K |
| Wells Fargo & Company | 0.00% | Reduce -37.5% | 4,836 | $41K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 4,300 | $36K |
| New York State Common Retirement Fund | 0.00% | No change | 4,171 | $35K |
| Nisa Investment Advisors, LLC | 0.00% | Add +3.8% | 2,698 | $23K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +14.6% | 2,008 | $17K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +75.1% | 1,805 | $15K |
| Royal Bank of Canada | 0.00% | Reduce -79.1% | 824 | $7K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 813 | $7K |
| Legal & General Group Plc | 0.00% | No change | 739 | $6K |
| BNP Paribas Financial Markets | 0.00% | Reduce -89.8% | 725 | $6K |
| California State Teachers Retirement System | 0.00% | No change | 636 | $5K |
| Cwm, LLC | 0.00% | Add +19.0% | 582 | $5K |
| Trust Co. of Vermont | 0.00% | No change | 553 | $5K |
| Princeton Global Asset Management LLC | 0.00% | No change | 500 | $4K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +51.9% | 433 | $4K |
| Amalgamated Bank | 0.00% | No change | 280 | $2K |
| Coldstream Capital Management Inc. | 0.00% | New | 223 | $2K |
| Deutsche Bank AG | 0.00% | No change | 213 | $2K |
| Covestor Ltd | 0.00% | Add +18.8% | 82 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Add +31.9% | 91 | $763 |
| Sterling Capital Management LLC | 0.00% | Reduce -47.6% | 86 | $722 |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -78.5% | 59 | $495 |
| True Wealth Design, LLC | 0.00% | Reduce -42.6% | 31 | $261 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -20.8% | 19 | $159 |
| IFP Advisors, Inc | 0.00% | No change | 3 | $25 |
"% of holder's portfolio" is MPX's weight in each manager's 13F, not the share of Marine Products Corp. the manager owns.