Latest Period
Q1 2026
Security Snapshot
MARINE PRODUCTS GROUP, LLC - Common Stock, $.10 Par Value (MPX) Institutional Ownership
CUSIP: 568427108
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
73
Shares (Excl. Options)
5,606,605
Price
$7.27
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- Security type / class
- Equity / Common Stock, $.10 Par Value
- Symbol
- MPX
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 5,606,605
- Total 13F value
- $40,770,432
- Portfolio coverage rank
- 0%
- Share change
- +264,992
- Value change
- +$1,881,660
- Number of holders
- 73
- Shares outstanding
- 35,003,363
- SEC-reported price per share
- $8.23
- Insider filing price
- $8.23
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MPX - MARINE PRODUCTS GROUP, LLC - Common Stock, $.10 Par Value is tracked under CUSIP 568427108.
- 73 institutions reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 72 to 73 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $46,858,350 to $40,770,432.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 73 institutions filings for Q1 2026.
Security key
568427108
Latest holder period
Q1 2026
13F holders
73
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 568427108:
As of 31 Mar 2026, 73 institutional investors reported holding 5,606,605 shares of MARINE PRODUCTS GROUP, LLC - Common Stock, $.10 Par Value (MPX). This represents 16% of the company’s total 35,003,363 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
15%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 2.2% | 767,510 | +2.8% | 0% | $5,579,846 |
| BlackRock, Inc. | 1.8% | 625,523 | -0.94% | 0% | $4,547,552 |
| GAMCO INVESTORS, INC. ET AL | 1.5% | 508,571 | +1.8% | 0.04% | $3,697,311 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.3% | 450,268 | 0% | 0% | $3,273,448 |
| DEPRINCE RACE & ZOLLO INC | 1.3% | 446,447 | +7.2% | 0.06% | $3,245,670 |
| Russell Investments Group, Ltd. | 1.1% | 387,577 | +25% | 0% | $2,817,686 |
| De Lisle Partners LLP | 1% | 363,696 | 0% | 0.32% | $2,639,541 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.74% | 260,637 | +4.3% | 0% | $1,895,538 |
| GABELLI FUNDS LLC | 0.66% | 232,500 | 0% | 0.01% | $1,690,275 |
| Teton Advisors, LLC | 0.64% | 223,000 | -0.45% | 1.1% | $1,621,210 |
| STATE STREET CORP | 0.52% | 181,372 | -1% | 0% | $1,318,574 |
| Bank of New York Mellon Corp | 0.45% | 158,818 | +9.9% | 0% | $1,154,607 |
| K2 PRINCIPAL FUND, L.P. | 0.34% | 120,216 | 0.13% | $873,970 | |
| NORTHERN TRUST CORP | 0.25% | 85,836 | -5.4% | 0% | $624,028 |
| HANOVER ADVISORS INC | 0.22% | 78,135 | 0% | 0.23% | $568,041 |
| VANGUARD FIDUCIARY TRUST CO | 0.21% | 71,966 | 0% | 0% | $523,193 |
| RENAISSANCE TECHNOLOGIES LLC | 0.19% | 66,002 | -2.7% | 0% | $479,835 |
| ABC ARBITRAGE SA | 0.18% | 62,067 | 0.06% | $451,227 | |
| AMERICAN CENTURY COMPANIES INC | 0.16% | 54,435 | -28% | 0% | $395,742 |
| TRUIST FINANCIAL CORP | 0.15% | 54,000 | 0% | 0% | $392,580 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.15% | 51,904 | 0% | 0% | $377,342 |
| GOLDMAN SACHS GROUP INC | 0.12% | 43,393 | -1.7% | 0% | $315,467 |
| Virtu Financial LLC | 0.09% | 31,178 | 0.01% | $227,000 | |
| MORGAN STANLEY | 0.09% | 30,695 | -68% | 0% | $223,160 |
| Pinnacle Financial Partners, Inc. | 0.09% | 30,565 | 0% | 0% | $222,208 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 5,606,605 | $40,770,432 | +$1,881,660 | $7.27 | 73 |
| 2025 Q4 | 5,348,549 | $46,858,350 | +$220,340 | $8.76 | 72 |
| 2025 Q3 | 5,322,102 | $47,215,750 | +$535,110 | $8.87 | 68 |
| 2025 Q2 | 5,262,884 | $44,798,188 | +$642,907 | $8.51 | 69 |
| 2025 Q1 | 5,187,329 | $43,528,957 | +$53,630 | $8.39 | 65 |
| 2024 Q4 | 5,182,765 | $47,532,012 | +$139,720 | $9.17 | 67 |
| 2024 Q3 | 5,178,255 | $50,193,096 | +$2,368,446 | $9.69 | 64 |
| 2024 Q2 | 4,914,226 | $49,639,683 | -$1,938,244 | $10.10 | 68 |
| 2024 Q1 | 5,079,187 | $59,716,613 | -$514,775 | $11.75 | 68 |
| 2023 Q4 | 4,871,815 | $55,536,154 | -$1,606,405 | $11.40 | 73 |
| 2023 Q3 | 4,846,413 | $68,864,373 | +$3,082,017 | $14.21 | 71 |
| 2023 Q2 | 4,596,620 | $77,494,279 | +$1,372,140 | $16.86 | 70 |
| 2023 Q1 | 4,520,081 | $59,620,571 | -$714,050 | $13.19 | 56 |
| 2022 Q4 | 4,633,062 | $54,450,925 | +$480,414 | $11.77 | 54 |
| 2022 Q3 | 4,597,808 | $38,894,970 | -$1,541,048 | $8.46 | 50 |
| 2022 Q2 | 4,676,497 | $44,468,208 | +$172,616 | $9.51 | 46 |
| 2022 Q1 | 4,677,420 | $55,638,471 | -$555,367 | $11.55 | 48 |
| 2021 Q4 | 4,721,863 | $58,995,262 | -$1,356,882 | $12.50 | 50 |
| 2021 Q3 | 4,817,257 | $60,274,716 | -$1,400,209 | $12.51 | 50 |
| 2021 Q2 | 4,919,414 | $75,947,080 | -$298,856 | $15.44 | 46 |
| 2021 Q1 | 4,959,415 | $80,684,647 | +$1,626,851 | $16.27 | 54 |
| 2020 Q4 | 4,862,566 | $70,706,005 | -$1,550,887 | $14.54 | 53 |
| 2020 Q3 | 4,963,888 | $77,628,675 | +$5,007,735 | $15.64 | 57 |
| 2020 Q2 | 4,652,941 | $64,441,041 | -$290,627 | $13.85 | 52 |
| 2020 Q1 | 4,703,521 | $38,006,770 | -$380,953 | $8.08 | 52 |