Jim Simons’s MasterBrand MBC Stock Holding History

Jim Simons’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	$14.6M	Sell	1,752,263 -519,600	-23%	-$5.62M	0.02%	783
2025 Q4	$25.1M	Buy	2,271,863 +158,500	+7%	+$1.86M	0.04%	504
2025 Q3	$27.8M	Buy	2,113,363 +60,608	+3%	+$749K	0.04%	582
2025 Q2	$22.4M	Buy	2,052,755 +501,082	+32%	+$5.55M	0.03%	660
2025 Q1	$20.3M	Buy	1,551,673 +30,700	+2%	+$467K	0.03%	654
2024 Q4	$22.2M	Buy	1,520,973 +5,000	+0.3%	+$85.3K	0.03%	623
2024 Q3	$28.1M	Buy	1,515,973 +73,955	+5%	+$1.21M	0.04%	523
2024 Q2	$21.2M	Buy	1,442,018 +94,800	+7%	+$1.57M	0.04%	562
2024 Q1	$25.2M	Buy	1,347,218 +120,418	+10%	+$1.91M	0.04%	533
2023 Q4	$18.2M	Buy	1,226,800 +184,318	+18%	+$2.36M	0.03%	650
2023 Q3	$12.7M	Buy	1,042,482 +13,800	+1%	+$169K	0.02%	786
2023 Q2	$12M	Buy	1,028,682 +977,582	+1,913%	+$9.38M	0.02%	934
2023 Q1	$411K	Sell	51,100 -13,261	-21%	-$117K	﹤0.01%	2982
2022 Q4	$486K	Buy	+64,361	New	+$527K	﹤0.01%	2962

Other funds holding MBC

BlackRock New York $6.73T AUM 46.02% 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 $552B AUM 44.19% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 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 $3.37T AUM 44.26% 1-Year Est. Return

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

Jim Simons's MBC Position: Q1 2026 in Review

Jim Simons reduced its MasterBrand (MBC) stake by 23% in Q1 2026, selling an estimated $5.62M and leaving 1,752,263 shares worth $14.6M. The position accounts for 0.02% of the portfolio, ranked #783.

Jim Simons first reported a position in MBC in Q4 2022 and has held it in 14 quarters since. The position peaked at $28.1M in Q3 2024. 335 funds tracked by Wall St. Rank hold MBC as of Q1 2026.

Jim Simons held 1,752,263 shares of MasterBrand worth $14.6M as of Q1 2026.
Jim Simons sold 519,600 MasterBrand shares in Q1 2026, an estimated $5.62M.
MasterBrand made up 0.02% of Jim Simons's portfolio in Q1 2026, its #783 holding.
Jim Simons first reported a position in MasterBrand in Q4 2022 and has held it in 14 quarters since.
Jim Simons's MasterBrand position peaked at $28.1M in Q3 2024.
335 funds tracked by Wall St. Rank held MasterBrand as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.