MARINE PRODUCTS CORP (MPX): Institutional Ownership

Hedge funds and institutional managers reporting a position in MPX · Consumer Discretionary. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
4
13F filers
Aggregate Value
$4.6M
Across holders
Last Price
EOD close
Sector
Consumer Discretionary
GICS
Holder activity2 new1 added1 reduced
Institutional Holders of MPX
4 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager509K$3.7M79.9%0.0%Added+$66KQ1 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund66K$480K10.4%0.0%Reduced$-13KQ1 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund30K$268K5.8%0.0%NewQ3 2025
Ancora Advisors, LLC
CIK 0001446114
Hedge Fund25K$183K4.0%0.0%NewQ1 2026