MasterBrand, Inc.

MBC

Exchange: NYSE
Industry: Wood Household Furniture, (No Upholstered)
SEC CIK: 0001941365

SEC filings (opens in a new tab)

In the last 90 days, MasterBrand, Inc. insiders filed 0 open-market purchases and 2 sales; 348 institutions reported holding it in 13F filings for Q2 2026, worth $2.28B in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding MasterBrand, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of MBC: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	337	7	331	+1
Shares	133.8M	153.8K	146.9M	+13.2M (+9.9%)
Value	$1.76B	$2.03M	$1.62B	−$138.6M (−7.9%)

7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (43)

Institutions that held MasterBrand, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to MBC in Q4 2025
Institution	Shares	Value	% of portfolio
Pertento Partners LLP	3,879,977	$42.8M	4.71%
Cooke & Bieler LP	2,831,036	$31.3M	0.33%
Decagon Asset Management LLP	762,926	$8.42M	3.54%
Marathon Asset Mgmt Ltd	742,876	$8.20M	0.32%
Lighthouse Investment Partners, LLC	497,079	$5.49M	0.18%
Polar Asset Management Partners Inc.	213,352	$2.36M	0.05%
Two Sigma Investments, LP	132,349	$1.46M	0.00%
EFG International AG	101,896	$1.13M	0.02%
Simplex Trading, LLC	85,678	$945.9K	0.03%
Glazer Capital, LLC	70,693	$780.0K	0.02%
Boussard & Gavaudan Investment Management LLP	54,325	$599.7K	0.05%
Guggenheim Capital LLC	37,933	$418.8K	0.00%
Aquatic Capital Management LLC	34,449	$380.3K	0.01%
Landscape Capital Management, L.L.C.	31,278	$345.3K	0.02%
Diametric Capital, LP	22,694	$250.5K	0.07%
Melqart Asset Management (UK) Ltd	21,180	$233.8K	0.02%
EP Wealth Advisors, LLC	17,593	$194.2K	0.00%
Mangrove Partners	16,890	$186.5K	0.02%
Profund Advisors LLC	15,511	$171.2K	0.01%
Buckland Partners Management Co LLC	14,000	$154.6K	0.09%
K2 Principal Fund, L.P.	13,516	$149.2K	0.02%
United Capital Financial Advisers, LLC	12,961	$143.1K	0.00%
Glenmede Trust Co NA	12,538	$138.4K	0.00%
Walleye Capital LLC	10,980	$121.2K	0.00%
XTX Topco Ltd	10,715	$118.3K	0.00%
DGS Capital Management, LLC	10,309	$113.8K	0.02%
McMillan Office, Inc.	7,663	$84.6K	0.01%
Pinnacle Wealth Planning Services, Inc.	4,881	$53.9K	0.01%
WealthCollab, LLC	1,251	$13.8K	0.01%
Bravera Wealth	833	$9.20K	0.00%
Los Angeles Capital Management LLC	726	$9.19K	0.00%
SHP Wealth Management	400	$4.42K	0.00%
Group One Trading, L.P.	381	$4.21K	0.00%
Sound Income Strategies, LLC	270	$3.48K	0.00%
Basecamp Wealth Advisors LLC	283	$3.12K	0.00%
Eurizon Capital SGR S.p.A.	243	$2.68K	0.00%
Godfrey Financial Associates, Inc.	200	$2.21K	0.00%
Flagship Harbor Advisors, LLC	192	$2.12K	0.00%
Quarry LP	117	$1.29K	0.00%
Ares Financial Consulting, LLC	34	$375	0.00%
Ankerstar Wealth, LLC	27	$298	0.00%
Elevated Capital Advisors, LLC	10	$110	0.00%
Gilpin Wealth Management, LLC	8	$89	0.00%

Sold out (42)

Institutions that held MasterBrand, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of MBC in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Balyasny Asset Management LLC	479,606	$6.32M
Beaconlight Capital, LLC	292,959	$3.86M
Trexquant Investment LP	206,603	$2.72M
ExodusPoint Capital Management, LP	184,245	$2.43M
STRS Ohio	168,100	$2.21M
Wedge Capital Management L L P	166,117	$2.19M
Lazard Asset Management LLC	163,010	$2.15M
ISAM Funds (UK) Ltd	55,689	$733.4K
Moore Capital Management, LP	52,574	$692.4K
Vident Advisory, LLC	51,505	$678.3K
CastleKnight Management LP	40,900	$538.7K
Contrarian Capital Management, L.L.C.	33,000	$434.6K
Mariner, LLC	25,489	$335.7K
Summit Global Investments	23,941	$315.0K
Carlson Capital L P	20,600	$271.3K
Bridgefront Capital, LLC	20,539	$270.5K
Grantham, Mayo, Van Otterloo & Co. LLC	17,938	$236.2K
Fox Run Management, L.L.C.	17,184	$226.3K
Pathstone Holdings, LLC	16,956	$223.3K
GTS Securities LLC	14,533	$191.4K
Freestone Grove Partners LP	12,614	$166.1K
Cerity Partners LLC	10,303	$135.7K
RSM US Wealth Management LLC	10,131	$133.4K
Salem Investment Counselors Inc	2,272	$29.9K
Mather Group, LLC.	2,154	$28.4K
Stuart Chaussee & Associates, Inc.	1,500	$19.8K
Caitong International Asset Management Co., Ltd	1,424	$18.8K
GPS Wealth Strategies Group, LLC	1,136	$15.0K
Wealthspire Advisors, LLC	1,112	$14.6K
Principal Securities, Inc.	1,090	$14.3K
Clear Street Markets LLC	998	$13.1K
Pathway Financial Advisers, LLC	600	$7.90K
Crewe Advisors LLC	534	$7.03K
Advisory Services Network, LLC	433	$5.70K
Citizens National Bank Trust Department	400	$5.27K
Maseco LLP	136	$1.79K
Tripletail Wealth Management, LLC	105	$1.38K
Investment Research & Advisory Group, Inc.	57	$751
Atlantic Trust, LLC	33	$435
Trifecta Capital Advisors, LLC	23	$303
HFM Investment Advisors, LLC	2	$26
Cloud Capital Management, LLC	4	$0

Not filed for Q4 2025 yet (7)

Institutions that held MasterBrand, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MBC in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
AXA Investment Managers S.A.	114,371	$1.51M
CIBC Bancorp USA Inc.	13,547	$178.4K
Glenmede Investment Management, LP	10,277	$135.3K
Corton Capital Inc.	10,121	$133.3K
Optimum Investment Advisors	5,100	$67.2K
Hemington Wealth Management	252	$3.00K
AllSquare Wealth Management LLC	155	$2.04K