MASTERBRAND INC (MBC) Institutional Ownership Changes & 13F Activity

MASTERBRAND INC (MBC) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Hancock Classic Value, Miller Value Partners, Sequoia Financial Advisors, and Giverny Capital.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2023Thunderbird PartnersBuy30,663522,547$6,348,946
Q3 2023Miller Value PartnersSell-25,00060,000$729,000
Q3 2023Renaissance Technologies LLCBuy13,8001,042,482$12,666
Q3 2023Giverny CapitalSell-1,556909,378$11,048,943
Q3 2023Sequoia Financial AdvisorsSell-21110,348$125,729
Q2 2023Renaissance Technologies LLCBuy977,5821,028,682$11,964
Q2 2023Thunderbird PartnersBuy416,465491,884$5,720,611
Q2 2023Hancock Classic ValueSell-115,5453,651,182$42,463,247
Q2 2023Miller Value PartnersBuy45,00085,000$988,550
Q2 2023Giverny CapitalBuy44,971910,934$10,594,162
Q2 2023Sequoia Financial AdvisorsBuy10,55910,559$122,802
Q1 2023Hancock Classic ValueBuy2,987,0783,766,727$30,284,485
Q1 2023Thunderbird PartnersBuy75,41975,419$606,369
Q1 2023Miller Value PartnersBuy40,00040,000$321,600
Q1 2023Giverny CapitalSell-34,179865,963$6,962,343
Q1 2023Renaissance Technologies LLCSell-13,26151,100$411
Q4 2022Giverny CapitalBuy900,142900,142$6,796
Q4 2022Hancock Classic ValueBuy779,649779,649$5,886,350
Q4 2022Renaissance Technologies LLCBuy64,36164,361$486

Frequently asked questions about MBC activity

  • Which institutional owners are buying MBC?

    Institutional owners buying MBC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MBC activity?

    "Buy" means an investor increased their reported position in MBC compared to the prior reporting period. This reflects growing exposure to MASTERBRAND INC (MBC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MBC increasing?

    Institutional interest in MBC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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