Marine Products Corp (MPX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

37,857,143Shares Outstanding

446,694Shares held by institutions

$3,564,618Value of institutional holdings

12.56%Institutional ownership %

0.50%Shares Changed QoQ

54No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 54 institutions have reported a stake in Marine Products Corp (NYSE:MPX) as of December 2025, according to recent 13F filings with the SEC.

The collective stake of institutional investors in Marine Products moved to 12.6% in December 2025, a shift down from the 14.1% reported for September 2025.
Quarterly data indicates a 0.50% shift in institutional share volume, and the annual owner count reflects a decrease of 22.86%.
Among the 54 institutional holders of Marine Products, 24 added to their stakes while 19 trimmed their positions and 11 held steady.
This class of investors increased its holdings in Marine Products to 4.75Mn shares for the 13F-cycle ending December 2025, up by 23.52K shares quarter on quarter, and down 445.24K shares year over year.
DIMENSIONAL FUND ADVISORS LP's holding of 746.41K shares as of December 31, 2025 makes it the primary institutional investor in Marine Products, owning 1.97% of the stock.
Among the most significant buyers of Marine Products during December 2025 were DEPRINCE RACE & ZOLLO INC (102.90K), MORGAN STANLEY (19.94K), GOLDMAN SACHS GROUP INC (17.45K), VANGUARD GROUP INC (7.77K), DIMENSIONAL FUND ADVISORS LP (7.74K).
Leading sellers of Marine Products stock in December 2025 included Bank of New York Mellon Corp (98.38K), Teton Advisors, LLC (19.50K), LOS ANGELES CAPITAL MANAGEMENT LLC (12.29K), GAMCO INVESTORS, INC. ET AL (7.58K), AMERICAN CENTURY COMPANIES INC (4.48K).
The top 10 institutional holders of Marine Products for the quarter ending December 2025 included DIMENSIONAL FUND ADVISORS LP (746.41K), BlackRock, Inc. (631.46K), VANGUARD GROUP INC (584.07K), GAMCO INVESTORS, INC. ET AL (499.49K), DEPRINCE RACE & ZOLLO INC (416.38K), De Lisle Partners LLP (363.70K), GEODE CAPITAL MANAGEMENT, LLC (249.78K), GABELLI FUNDS LLC (232.50K), Teton Advisors, LLC (224.00K), STATE STREET CORP (183.27K).

54 Institutional Holders

446,694 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	746,412	7,739	1.05%	$6,538,847.00
BlackRock, Inc.	31 Dec, 2025	631,459	1,368	0.22%	$5,531,581.00
VANGUARD GROUP INC	31 Dec, 2025	584,071	7,772	1.35%	$5,116,461.00
GAMCO INVESTORS, INC. ET AL	31 Dec, 2025	499,488	-7,585	-1.50%	$4,375,515.00
DEPRINCE RACE & ZOLLO INC	31 Dec, 2025	416,377	102,904	32.83%	$3,647,462.00
De Lisle Partners LLP	31 Dec, 2025	363,696	0	0.00%	$3,184,467.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	249,784	2,071	0.84%	$2,188,391.00
GABELLI FUNDS LLC	31 Dec, 2025	232,500	500	0.22%	$2,036,700.00
Teton Advisors, LLC	31 Dec, 2025	224,000	-19,500	-8.01%	$1,962,240.00
STATE STREET CORP	31 Dec, 2025	183,271	2,871	1.59%	$1,605,454.00
Bank of New York Mellon Corp	31 Dec, 2025	144,565	-98,376	-40.49%	$1,266,388.00
MORGAN STANLEY	31 Dec, 2025	96,487	19,942	26.05%	$845,236.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	75,914	-4,478	-5.57%	$665,007.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	67,802	-3,300	-4.64%	$593,946.00
TRUIST FINANCIAL CORP	31 Dec, 2025	54,000	0	0.00%	$473,040.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	44,128	17,451	65.42%	$386,561.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	25,760	25	0.10%	$225,658.00
Nuveen, LLC	31 Dec, 2025	19,406	0	0.00%	$169,997.00
BARCLAYS PLC	31 Dec, 2025	13,819	1,316	10.53%	$121,055.00
BURNEY CO/	31 Dec, 2025	11,596	-600	-4.92%	$101,581.00

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