MASCO CORP (MAS) Institutional Ownership Changes & 13F Activity

MASCO CORP (MAS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Ariel Appreciation Fund, Sequoia Financial Advisors, Yacktman Asset Management, and Appaloosa Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2021Ariel Appreciation FundBuy14,1361,718,086$101,212
Q2 2021Sequoia Financial AdvisorsBuy9,7569,756$575
Q1 2021Ariel Appreciation FundBuy624,3431,703,950$102,067
Q1 2021Renaissance Technologies LLCSell-441,800865,500$51,843
Q4 2020Renaissance Technologies LLCBuy425,8001,307,300$71,810
Q4 2020Ariel Appreciation FundBuy33,8881,079,607$59,303
Q3 2020Renaissance Technologies LLCBuy719,509881,500$48,597
Q3 2020Ariel Appreciation FundSell-137,1021,045,719$57,650
Q2 2020Renaissance Technologies LLCSell-458,209161,991$8,134
Q2 2020Ariel Appreciation FundSell-1,8031,182,821$59,389
Q1 2020Atlantic Investment ManagementBuy13,00013,000$449
Q1 2020Ariel Appreciation FundSell-8,8081,184,624$40,952
Q4 2019Renaissance Technologies LLCSell-384,252620,200$29,763
Q4 2019Ariel Appreciation FundBuy19,9851,193,432$57,273
Q3 2019Renaissance Technologies LLCSell-150,9481,004,452$41,866
Q2 2019Renaissance Technologies LLCBuy555,8001,155,400$45,338
Q2 2019Ariel Appreciation FundBuy9,7941,173,447$46,046
Q1 2019Renaissance Technologies LLCSell-174,600599,600$23,570
Q1 2019Ariel Appreciation FundBuy88,1321,163,653$45,743
Q4 2018Ariel Appreciation FundBuy1,075,5211,075,521$31,448
Q4 2018Renaissance Technologies LLCBuy727,900774,200$22,638
Q3 2018Renaissance Technologies LLCSell-661,90046,300$1,695
Q1 2018Renaissance Technologies LLCSell-1,100,600708,200$28,640
Q4 2017Renaissance Technologies LLCBuy238,6001,808,800$79,479
Q4 2017Third Avenue ManagementBuy2,069558,114$24,524
Q3 2017Renaissance Technologies LLCBuy1,057,2001,570,200$61,254
Q3 2017Third Avenue ManagementSell-223,101556,045$21,692
Q2 2017Third Avenue ManagementSell-76,901779,146$29,772
Q2 2017Renaissance Technologies LLCSell-40,600513,000$19,602
Q1 2017Renaissance Technologies LLCSell-340,900553,600$18,817

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.

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