Simplex Trading’s MasterBrand MBC Stock Holding History

Simplex Trading’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
2026 Q1	$831	Hold	100	–	–	﹤0.01%	8636
2025 Q4	$1.1K	Sell	100 -300	-75%	-$3.51K	﹤0.01%	8005
2025 Q3	$5K	Buy	400 +300	+300%	+$3.71K	﹤0.01%	8323
2025 Q2	$1K	Buy	+100	New	+$1.11K	﹤0.01%	8359
2025 Q1	–	Sell	-900	Closed	-$13K	–	9180
2024 Q4	$13K	Sell	900 -2,900	-76%	-$49.4K	﹤0.01%	7005
2024 Q3	$70K	Sell	3,800 -500	-12%	-$8.15K	﹤0.01%	5567
2024 Q2	$63K	Sell	4,300 -1,100	-20%	-$18.2K	﹤0.01%	5840
2024 Q1	$101K	Buy	5,400 +2,700	+100%	+$42.8K	﹤0.01%	5561
2023 Q4	$40K	Buy	+2,700	New	+$34.6K	﹤0.01%	6296
2023 Q3	–	Sell	-1,200	Closed	-$13K	–	9341
2023 Q2	$13K	Sell	1,200 -200	-14%	-$1.92K	﹤0.01%	7174
2023 Q1	$11K	Buy	+1,400	New	+$12.3K	﹤0.01%	7468

Other funds holding MBC

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

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Pertento Partners London, United Kingdom $1.37B AUM 36.36% 1-Year Est. Return

SSP

Sixth Street Partners Dallas, Texas $711M AUM 9.3% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Simplex Trading's MBC Position: Q1 2026 in Review

Simplex Trading reduced its MasterBrand (MBC) stake by 100% in Q1 2026, selling an estimated $924K and leaving 158 shares worth $1.31K. The position accounts for ﹤0.01% of the portfolio, ranked #8512.

Simplex Trading first reported a position in MBC in Q1 2023 and has held it in 6 quarters since. The position peaked at $946K in Q4 2025. 334 funds tracked by Wall St. Rank hold MBC as of Q1 2026.

Simplex Trading held 158 shares of MasterBrand worth $1.31K as of Q1 2026.
Simplex Trading sold 85,520 MasterBrand shares in Q1 2026, an estimated $924K.
MasterBrand made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #8512 holding.
Simplex Trading first reported a position in MasterBrand in Q1 2023 and has held it in 6 quarters since.
Simplex Trading's MasterBrand position peaked at $946K in Q4 2025.
334 funds tracked by Wall St. Rank held MasterBrand as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.