MARINE PRODUCTS CORP (MPX) Institutional Ownership and Insiders Activity

MARINE PRODUCTS CORP (MPX) is widely held by institutional investors, with 4 firms reporting positions valued at approximately $18,593 based on SEC Form 13F filings for the quarter ended March 31, 2026.

Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc is the largest disclosed holder, reporting approximately $16,205 in MPX holdings in its latest filing.

Institutional ownership remains highly concentrated, with Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc representing the majority of disclosed value.