MASCO CORP (MAS) Stock Institutional Trading Activity


MASCO CORP (MAS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Yacktman Asset Management, Ariel Appreciation Fund, Sequoia Financial Advisors, and Appaloosa Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2024Yacktman Asset ManagementSell-11,711463,472$36,558,671
Q4 2023Ariel Appreciation FundSell-298,2581,313,816$87,999,396
Q4 2023Renaissance Technologies LLCSell-103,400370,800$24,836
Q4 2023Sequoia Financial AdvisorsBuy38,93049,093$3,288,228
Q4 2023Appaloosa ManagementBuy130,000130,000$8,707,400
Q4 2023Yacktman Asset ManagementBuy109,564475,183$31,827,757
Q3 2023Ariel Appreciation FundSell-129,8571,612,074$86,165,355
Q3 2023Renaissance Technologies LLCBuy322,700474,200$25,346
Q3 2023Yacktman Asset ManagementBuy365,619365,619$19,542,336
Q2 2023Ariel Appreciation FundSell-39,3351,741,931$99,952,001
Q1 2023Ariel Appreciation FundSell-1,3511,781,266$88,564,545
Q1 2023Renaissance Technologies LLCSell-516,700151,500$7,533
Q4 2022Ariel Appreciation FundBuy601,782,617$83,194,736
Q4 2022Renaissance Technologies LLCBuy362,100668,200$31,185
Q3 2022Ariel Appreciation FundSell-195,1291,782,557$83,228
Q2 2022Ariel Appreciation FundBuy73,9541,977,686$100,071
Q2 2022Renaissance Technologies LLCSell-404,600306,100$15,489
Q1 2022Ariel Appreciation FundBuy66,1591,903,732$97,090
Q1 2022Renaissance Technologies LLCBuy689,900710,700$36,246
Q4 2021Ariel Appreciation FundBuy83,9441,837,573$129,035
Q4 2021Sequoia Financial AdvisorsBuy40710,163$714
Q4 2021Renaissance Technologies LLCSell-497,29520,800$1,461
Q3 2021Ariel Appreciation FundBuy35,5431,753,629$97,414
Q3 2021Renaissance Technologies LLCSell-688,205518,095$28,780
Q2 2021Ariel Appreciation FundBuy14,1361,718,086$101,212
Q2 2021Sequoia Financial AdvisorsBuy9,7569,756$575
Q2 2021Renaissance Technologies LLCBuy340,8001,206,300$71,063
Q1 2021Ariel Appreciation FundBuy624,3431,703,950$102,067
Q1 2021Renaissance Technologies LLCSell-441,800865,500$51,843
Q4 2020Ariel Appreciation FundBuy33,8881,079,607$59,303

Frequently asked questions about MAS activity

  • Which institutional owners are buying MAS?

    Institutional owners buying MAS 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 MAS activity?

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

  • Is institutional interest in MAS increasing?

    Institutional interest in MAS 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.