Marine Products Corp (MPX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

37,857,143Shares Outstanding

487,497Shares held by institutions

$3,821,976Value of institutional holdings

14.06%Institutional ownership %

6.67%Shares Changed QoQ

70No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Marine Products Corp (NYSE:MPX) currently has 68 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

Marine Products saw its institutional ownership percentage fell to 14.0% in December 2025 from 14.1% in September 2025.
The company experienced a 1.86% quarterly change in institutional shares held, alongside a decrease of 2.86% in total owners annually.
Of these 68 institutional investors, 29 increased their holdings in Marine Products, while 25 of them reduced positions, and 14 investors maintained their exposure.
The aggregate institutional position in Marine Products now stands at 5.32Mn shares as of December 2025, after investors increased their holdings (up by 96.92K shares quarter on quarter which is up 119.05K 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), Russell Investments Group, Ltd. (47.91K), Pinnacle Financial Partners, Inc. (30.57K), MORGAN STANLEY (19.94K), GOLDMAN SACHS GROUP INC (17.45K).
Leading sellers of Marine Products stock in December 2025 included Bank of New York Mellon Corp (98.38K), Teton Advisors, LLC (19.50K), ROYAL BANK OF CANADA (15.75K), LOS ANGELES CAPITAL MANAGEMENT LLC (12.29K), GAMCO INVESTORS, INC. ET AL (7.58K).
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), Russell Investments Group, Ltd. (309.31K), GEODE CAPITAL MANAGEMENT, LLC (249.78K), GABELLI FUNDS LLC (232.50K), Teton Advisors, LLC (224.00K).

68 Institutional Holders

487,497 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
Russell Investments Group, Ltd.	31 Dec, 2025	309,305	47,908	18.33%	$2,709,510.00
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
NORTHERN TRUST CORP	31 Dec, 2025	90,709	-1,945	-2.10%	$794,610.00
HANOVER ADVISORS INC	31 Dec, 2025	78,135	0	0.00%	$684,463.00
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
Pinnacle Financial Partners, Inc.	31 Dec, 2025	30,565	30,565	0.00%	$267,749.00

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