MUELLER INDUSTRIES INC (MLI) Institutional Selling Activity

Several institutional investors tracked by InsiderSet reduced exposure to MUELLER INDUSTRIES INC (MLI) during the quarter ended March 31, 2026 based on sequential SEC Form 13F filings.

The largest disclosed institutional seller of MLI during the latest reporting period reduced its reported position by approximately $35.68M based on quarter-end filing values.

Institutional selling activity may reflect profit-taking, sector rotation, portfolio rebalancing, or changing conviction levels among major investment firms. InsiderSet tracks quarter-over-quarter holding reductions, full exits, estimated value changes, and historical selling activity using publicly disclosed SEC filing data.

The investors covered on this page collectively reduced approximately $53.80M in reported MLI exposure during the latest filing period, although many institutional holders continue to maintain significant long-term ownership positions in MUELLER INDUSTRIES INC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Sequoia Financial AdvisorsSell-2,55110,666$1,181,811
Q4 2025Renaissance Technologies LLCSell-310,800139,200$15,980,160
Q4 2025Polen Capital ManagementSell-2,2572,720$312,256
Q3 2025Renaissance Technologies LLCSell-43,700450,000$45,499,500
Q1 2025Renaissance Technologies LLCSell-171,300305,700$23,275,998
Q1 2025Sequoia Financial AdvisorsSell-504,886$372,033
Q4 2024Sequoia Financial AdvisorsSell-4584,936$391,736
Q2 2024Sequoia Financial AdvisorsSell-5934,802$273,436
Q1 2024Sequoia Financial AdvisorsSell-1785,395$290,962
Q4 2023Renaissance Technologies LLCSell-9,0007,600$358
Q3 2023Renaissance Technologies LLCSell-30,00016,600$1,248
Q2 2023Renaissance Technologies LLCSell-70,60046,600$4,067
Q1 2023Renaissance Technologies LLCSell-39,700117,200$8,612
Q4 2022Renaissance Technologies LLCSell-35,600156,900$9,257
Q2 2022Renaissance Technologies LLCSell-6,60063,200$3,368
Q1 2022Renaissance Technologies LLCSell-24,40069,800$3,781
Q2 2021Renaissance Technologies LLCSell-15,27329,127$1,261
Q3 2020Renaissance Technologies LLCSell-59,40030,700$831
Q2 2019Renaissance Technologies LLCSell-18,10023,300$682
Q4 2018Renaissance Technologies LLCSell-7,00032,400$757
Q3 2018Renaissance Technologies LLCSell-22,20039,400$1,142
Q3 2017Renaissance Technologies LLCSell-24,90061,600$2,153
Q3 2016Renaissance Technologies LLCSell-83,20048,400$1,569
Q2 2016Renaissance Technologies LLCSell-45,700131,600$4,195
Q2 2015Renaissance Technologies LLCSell-77,1007,900$274
Q4 2013Renaissance Technologies LLCSell-50,40020,900$1,317
Q3 2013Renaissance Technologies LLCSell-82,80071,300$3,969

Frequently asked questions about MLI activity

  • Which institutional owners are buying MLI?

    Institutional owners buying MLI 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 MLI activity?

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

  • Is institutional interest in MLI increasing?

    Institutional interest in MLI 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.