MUELLER INDUSTRIES INC (MLI) Institutional Buying Activity

Institutional investors tracked by InsiderSet increased exposure to MUELLER INDUSTRIES INC (MLI) during the quarter ended March 31, 2026 through a combination of new purchases and expanded existing positions disclosed in SEC Form 13F filings.

The largest institutional buyer of MLI during the latest reporting period was Renaissance Technologies LLC, which increased its reported MLI position by approximately $22.78M based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in MLI exposure during the quarter.

Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward MUELLER INDUSTRIES INC (MLI). InsiderSet tracks quarterly accumulation trends, new institutional positions, ownership increases, and estimated performance of newly disclosed holdings using SEC filing data and recent market prices.

The investors highlighted on this page collectively added approximately $53.29M in reported MLI exposure during the latest filing period, reflecting continued institutional interest in MUELLER INDUSTRIES INC's growth initiatives and strategic positioning.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy13,500152,700$16,919,160
Q1 2026Polen Capital ManagementBuy492,769$306,805
Q4 2025Sequoia Financial AdvisorsBuy3,96013,217$1,517,331
Q3 2025Polen Capital ManagementBuy4,9774,977$503,224
Q3 2025Sequoia Financial AdvisorsBuy1,9439,257$935,992
Q2 2025Renaissance Technologies LLCBuy188,000493,700$39,234,339
Q2 2025Sequoia Financial AdvisorsBuy2,4287,314$581,257
Q4 2024Renaissance Technologies LLCBuy287,100477,000$37,854,720
Q3 2024Renaissance Technologies LLCBuy134,300189,900$14,071,590
Q3 2024Sequoia Financial AdvisorsBuy5925,394$399,709
Q2 2024Renaissance Technologies LLCBuy40,60055,600$3,165,864
Q1 2024Renaissance Technologies LLCBuy7,40015,000$809
Q4 2023Sequoia Financial AdvisorsBuy2,5485,573$262,775
Q3 2023Sequoia Financial AdvisorsBuy433,025$227,359
Q2 2023Sequoia Financial AdvisorsBuy2,9822,982$260,269
Q3 2022Renaissance Technologies LLCBuy129,300192,500$11,442
Q4 2021Renaissance Technologies LLCBuy10,10094,200$5,592
Q3 2021Renaissance Technologies LLCBuy54,97384,100$3,457
Q1 2021Renaissance Technologies LLCBuy13,70044,400$1,836
Q1 2020Renaissance Technologies LLCBuy8,80090,100$2,157
Q4 2019Renaissance Technologies LLCBuy58,00081,300$2,581
Q1 2019Renaissance Technologies LLCBuy9,00041,400$1,297
Q2 2017Renaissance Technologies LLCBuy38,10086,500$2,634
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 2014Renaissance Technologies LLCBuy64,10085,000$2,500
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.