Marine Products

MPX · NYSE

Price unavailable right now.

No price history for this range.

Who owns MPX

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 1.0% of MPX’s shares.

  • Teton Advisors, Inc.0.7%
  • Synovus Trust Company, N.A.0.1%
  • Margaret H.Rollins 2014 Trust0.1%
  • Wealth Enhancement Advisory Services, LLC0.0%
  • Next 6 largest institutions0.1%
  • All other shareholders99.0%
Top institutional holders of MPX
HolderShares% of shares
Teton Advisors, Inc.244.00K0.71%
Synovus Trust Company, N.A.30.57K0.09%
Margaret H.Rollins 2014 Trust20.25K0.06%
Wealth Enhancement Advisory Services, LLC14.39K0.04%
Corient Private Wealth LLC10.01K0.03%
MFS Investment Management5.73K0.02%
Dimensional Fund Advisors, Ltd.4.99K0.01%
DFA Australia Ltd.3.89K0.01%
Vaughan Nelson Investment Management, L.P.1.73K0.01%
T. Rowe Price Associates, Inc.9070.00%

Largest mutual fund holders

Top mutual fund holders of MPX
HolderShares% of shares
DFA US Small Cap Portfolio112.74K0.33%
Aon Hewitt Demo Small Cap Value Fund46.15K0.13%
Goldman Sachs Absolute Return Tracker Fund15.07K0.04%
iShares Russell 2000 Small-Cap Index Fund15.07K0.04%
OSRAM BlackRock Russell 2500 Index F11.25K0.03%

Insider trades

Form 4 filings by officers, directors and large holders

Insiders made no open-market buys or sales of MPX in the last 6 months.

Latest MPX insider transactions
InsiderTypeSharesValue
Nix JerryOther15.91K$130.14K
Bell Susan R.Other18.41K$150.59K
Lewis Stephen EOther5.80K$47.45K
Gunning Patrick J.Other17.91K$146.50K
Schmit MichaelOther100.58K$822.72K
Schmit MichaelAward22.34K—
Wilson John FOther16.91K$138.32K
Kolstad Gary AOther4.65K$38.05K
Palmer Ben MOther678.40K$5.55M
Palmer Ben MAward75.30K—

Short interest

Settled May 15, 2026

Shares short
7.79K
Days to cover
1.00
% of shares outstanding
0.02%
Average daily volume
70.00K
Change since last report
−96.8%

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