CPG
MPX

Cornerstone Planning Group’s Marine Products Corp MPX Stock Holding History

Cornerstone Planning Group’s Portfolio MPX Stock Details MPX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-80
Closed -$755 – 1882
2025
Q4 		$755 Buy
+80
New +$692 ﹤0.01% 1408

Other funds holding MPX

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
DRZID
DePrince Race & Zollo Inc (DRZ) Winter Park, Florida $5.96B AUM 38.5% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return
DLP
De Lisle Partners Poole, United Kingdom $916M AUM 54.05% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
GF
Gabelli Funds Rye, New York $15.7B AUM 36.4% 1-Year Est. Return
TA
Teton Advisors Rye, New York $173M AUM 77.13% 1-Year Est. Return

Cornerstone Planning Group's MPX Position: Q1 2026 in Review

Cornerstone Planning Group sold out of Marine Products Corp (MPX) in Q1 2026, closing a stake of 80 shares — an estimated $755 sold.

Cornerstone Planning Group first reported a position in MPX in Q4 2025 and held it in 1 quarter. The position peaked at $755 in Q4 2025. 75 funds tracked by Wall St. Rank hold MPX as of Q1 2026.

  • Cornerstone Planning Group reported no remaining Marine Products Corp position as of Q1 2026 after selling out during the quarter.
  • Cornerstone Planning Group sold 80 Marine Products Corp shares in Q1 2026, an estimated $755.
  • Cornerstone Planning Group first reported a position in Marine Products Corp in Q4 2025 and held it in 1 quarter.
  • Cornerstone Planning Group's Marine Products Corp position peaked at $755 in Q4 2025.
  • 75 funds tracked by Wall St. Rank held Marine Products Corp as of Q1 2026.

Based on Cornerstone Planning Group's 13F filing for Q1 2026, filed 6 May 2026.