MUELLER INDUSTRIES INC (MLI) Stock Institutional Trading Activity


MUELLER INDUSTRIES INC (MLI) 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, Polen Capital Management, and Sequoia Financial Advisors. 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
Q2 2021Renaissance Technologies LLCSell-15,27329,127$1,261
Q1 2021Renaissance Technologies LLCBuy13,70044,400$1,836
Q3 2020Renaissance Technologies LLCSell-59,40030,700$831
Q1 2020Renaissance Technologies LLCBuy8,80090,100$2,157
Q4 2019Renaissance Technologies LLCBuy58,00081,300$2,581
Q2 2019Renaissance Technologies LLCSell-18,10023,300$682
Q1 2019Renaissance Technologies LLCBuy9,00041,400$1,297
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
Q2 2017Renaissance Technologies LLCBuy38,10086,500$2,634
Q3 2016Renaissance Technologies LLCSell-83,20048,400$1,569
Q2 2016Renaissance Technologies LLCSell-45,700131,600$4,195
Q1 2016Renaissance Technologies LLCBuy70,100177,300$5,216
Q4 2015Renaissance Technologies LLCBuy34,400107,200$2,905
Q3 2015Renaissance Technologies LLCBuy64,90072,800$2,153
Q2 2015Renaissance Technologies LLCSell-77,1007,900$274
Q2 2014Renaissance Technologies LLCBuy64,10085,000$2,500
Q4 2013Renaissance Technologies LLCSell-50,40020,900$1,317
Q3 2013Renaissance Technologies LLCSell-82,80071,300$3,969
Q2 2013Renaissance Technologies LLCBuy154,100154,100$7,771

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.