Boston Partners

Position in MBC — MasterBrand, Inc.

CIK 1386060 BOSTON, MA

Position in MBC

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$55,905,956

-$40,105,048 QoQ

Shares Held

6,727,552

-22.6% QoQ

Ownership

5.26%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2024

7 quarters on record

Voting authority Sole 93.4958064984113.ToString("F0")% Shared 0.ToString("F0")% None 6.504193501588691.ToString("F0")%

Consumer Cyclical · as of Mar 31, 2026

Boston Partners holds $382,171,584 across 5 Furnishings, Fixtures & Appliances names. MBC ranks #2 (14.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SGI	Somnigroup International Inc.	3,799,609	$280,867,095
2	MBC	MasterBrand, Inc. This page	6,727,552	$55,905,956
3	HNI	Hni Corp	930,966	$31,084,953
4	SN	SharkNinja, Inc.	132,808	$14,064,366
5	LOVE	Lovesac Co	16,873	$249,214

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$55,905,956	6,727,552	-22.6%	Shares	Other	2026-05-11
2025-12-31	$96,011,004	8,696,649	-2.6%	Shares	Defined	2026-02-13
2025-09-30	$117,610,719	8,930,199	+7.8%	Shares	Other	2025-11-13
2025-06-30	$90,503,011	8,280,239	+5.8%	Shares	Defined	2025-08-12
2025-03-31	$102,229,839	7,827,706	+49.5%	Shares	Other	2025-05-13
2024-12-31	$76,514,365	5,237,123	+82.2%	Shares	Other	2025-02-11
2024-09-30	$53,280,529	2,873,815	—	Shares	Other	2024-11-12
No filing history on record for this holder in this stock.