Ken Griffin
MPX

Ken Griffin’s Marine Products Corp MPX Stock Holding History

Ken Griffin’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
2025
Q4 		– Sell
-30,173
Closed -$268K – 13566
2025
Q3 		$268K Buy
+30,173
New +$268K ﹤0.01% 10616
2025
Q1 		– Sell
-28,682
Closed -$263K – 15189
2024
Q4 		$263K Sell
28,682
-1,227
-4% -$11.8K ﹤0.01% 9923
2024
Q3 		$290K Buy
29,909
+29,151
+3,846% +$281K ﹤0.01% 9405
2024
Q2 		$7.66K Sell
758
-24,830
-97% -$267K ﹤0.01% 13236
2024
Q1 		$301K Sell
25,588
-13,653
-35% -$147K ﹤0.01% 9447
2023
Q4 		$447K Buy
39,241
+18,888
+93% +$213K ﹤0.01% 8350
2023
Q3 		$289K Sell
20,353
-8,750
-30% -$137K ﹤0.01% 9249
2023
Q2 		$491K Buy
29,103
+10,159
+54% +$150K ﹤0.01% 7983
2023
Q1 		$250K Buy
18,944
+12,549
+196% +$164K ﹤0.01% 9768
2022
Q4 		$75.3K Buy
+6,395
New +$67.3K ﹤0.01% 11604
2022
Q3 		– Sell
-12,840
Closed -$129K – 13236
2022
Q2 		$122K Buy
+12,840
New +$142K ﹤0.01% 11192
2022
Q1 		– Sell
-22,048
Closed -$266K – 14218
2021
Q4 		$276K Buy
22,048
+9,442
+75% +$118K ﹤0.01% 11094
2021
Q3 		$158K Buy
+12,606
New +$184K ﹤0.01% 12309
2020
Q2 		– Sell
-15,954
Closed -$129K – 10242
2020
Q1 		$129K Buy
+15,954
New +$201K ﹤0.01% 8422
2019
Q1 		– Sell
-13,277
Closed -$225K – 9650
2018
Q4 		$225K Buy
+13,277
New +$276K ﹤0.01% 7696
2014
Q2 		– Sell
-22,046
Closed -$166K – 8163
2014
Q1 		$166K Buy
+22,046
New +$188K ﹤0.01% 5710

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return
DRZID
DePrince Race & Zollo Inc (DRZ) Winter Park, Florida $5.29B AUM 20.14% 1-Year Est. Return
DLP
De Lisle Partners Poole, United Kingdom $916M AUM 54.05% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 41.71% 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

Ken Griffin's MPX Position: Q4 2025 in Review

Ken Griffin sold out of Marine Products Corp (MPX) in Q4 2025, closing a stake of 30,173 shares — an estimated $268K sold.

Ken Griffin first reported a position in MPX in Q1 2014 and held it in 16 quarters. The position peaked at $491K in Q2 2023. 74 funds tracked by Wall St. Rank hold MPX as of Q4 2025.

  • Ken Griffin reported no remaining Marine Products Corp position as of Q4 2025 after selling out during the quarter.
  • Ken Griffin sold 30,173 Marine Products Corp shares in Q4 2025, an estimated $268K.
  • Ken Griffin first reported a position in Marine Products Corp in Q1 2014 and held it in 16 quarters.
  • Ken Griffin's Marine Products Corp position peaked at $491K in Q2 2023.
  • 74 funds tracked by Wall St. Rank held Marine Products Corp as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.