Mariner
MBC icon

Mariner’s MasterBrand MBC Stock Holding History

Mariner’s Portfolio MBC Stock Details MBC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-25,489
Closed -$336K – 3699
2025
Q3 		$336K Buy
25,489
+5,131
+25% +$63.4K ﹤0.01% 2724
2025
Q2 		$223K Sell
20,358
-11,874
-37% -$131K ﹤0.01% 2966
2025
Q1 		$421K Buy
32,232
+6,148
+24% +$93.5K ﹤0.01% 2348
2024
Q4 		$381K Sell
26,084
-2,873
-10% -$49K ﹤0.01% 2409
2024
Q3 		$536K Buy
28,957
+2,488
+9% +$40.5K ﹤0.01% 2075
2024
Q2 		$389K Sell
26,469
-4,450
-14% -$73.7K ﹤0.01% 2248
2024
Q1 		$579K Buy
30,919
+13,185
+74% +$209K ﹤0.01% 1917
2023
Q4 		$263K Buy
17,734
+1,641
+10% +$21K ﹤0.01% 2456
2023
Q3 		$196K Sell
16,093
-1,001
-6% -$12.3K ﹤0.01% 2515
2023
Q2 		$199K Sell
17,094
-1,462
-8% -$14K ﹤0.01% 2473
2023
Q1 		$149K Buy
18,556
+1,056
+6% +$9.31K ﹤0.01% 2484
2022
Q4 		$132K Buy
+17,500
New +$143K ﹤0.01% 2452

Other funds holding MBC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CCM
Coliseum Capital Management Rowayton, Connecticut $1.22B AUM 18.72% 1-Year Est. Return
GCM
Gates Capital Management New York $3.66B AUM 12.63% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
DCP
Diameter Capital Partners New York $1.07B AUM 152.29% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
SSP
Sixth Street Partners Dallas, Texas $711M AUM 9.3% 1-Year Est. Return
PP
Pertento Partners London, United Kingdom $1.37B AUM 36.36% 1-Year Est. Return

Mariner's MBC Position: Q4 2025 in Review

Mariner sold out of MasterBrand (MBC) in Q4 2025, closing a stake of 25,489 shares — an estimated $336K sold.

Mariner first reported a position in MBC in Q4 2022 and held it in 12 quarters. The position peaked at $579K in Q1 2024. 330 funds tracked by Wall St. Rank hold MBC as of Q4 2025.

  • Mariner reported no remaining MasterBrand position as of Q4 2025 after selling out during the quarter.
  • Mariner sold 25,489 MasterBrand shares in Q4 2025, an estimated $336K.
  • Mariner first reported a position in MasterBrand in Q4 2022 and held it in 12 quarters.
  • Mariner's MasterBrand position peaked at $579K in Q1 2024.
  • 330 funds tracked by Wall St. Rank held MasterBrand as of Q4 2025.

Based on Mariner's 13F filing for Q4 2025, filed 13 Feb 2026.