MUELLER WATER PRODUCTS INC-A (MWA) Stock Institutional Trading Activity


MUELLER WATER PRODUCTS INC-A (MWA) 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, Atlantic Investment Management, and Hancock Classic Value. 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
Q4 2025Renaissance Technologies LLCBuy250,100263,600$6,278,952
Q3 2025Renaissance Technologies LLCSell-150,90013,500$344,520
Q2 2025Renaissance Technologies LLCSell-130,100164,400$3,952,176
Q1 2025Renaissance Technologies LLCSell-95,300294,500$7,486,190
Q4 2024Renaissance Technologies LLCBuy12,900389,800$8,770,500
Q3 2024Renaissance Technologies LLCBuy143,400376,900$8,178,730
Q2 2024Renaissance Technologies LLCSell-17,400233,500$4,184,320
Q1 2024Renaissance Technologies LLCBuy227,474250,900$4,037
Q4 2023Renaissance Technologies LLCBuy7,82623,426$337
Q3 2023Renaissance Technologies LLCSell-12,30015,600$198
Q1 2023Renaissance Technologies LLCSell-259,80027,900$389
Q4 2022Renaissance Technologies LLCBuy158,400287,700$3,096
Q2 2022Renaissance Technologies LLCBuy62,900129,300$1,517
Q1 2022Renaissance Technologies LLCSell-125,10066,400$858
Q3 2021Renaissance Technologies LLCSell-45,000191,500$2,915
Q2 2021Renaissance Technologies LLCSell-249,700236,500$3,410
Q1 2021Renaissance Technologies LLCBuy3,400486,200$6,753
Q4 2020Renaissance Technologies LLCBuy20,600482,800$5,977
Q3 2020Renaissance Technologies LLCSell-34,500462,200$4,802
Q1 2020Renaissance Technologies LLCSell-724,300496,700$3,979
Q4 2019Renaissance Technologies LLCSell-132,4741,221,000$14,628
Q3 2019Renaissance Technologies LLCSell-210,8261,353,474$15,213
Q2 2019Atlantic Investment ManagementBuy209,486209,486$2,057
Q2 2019Renaissance Technologies LLCSell-160,9001,564,300$15,361
Q1 2019Renaissance Technologies LLCBuy133,9001,725,200$17,321
Q4 2018Renaissance Technologies LLCBuy413,1001,591,300$14,481
Q3 2018Renaissance Technologies LLCSell-391,8001,178,200$13,561
Q1 2018Renaissance Technologies LLCBuy136,0001,570,000$17,066
Q4 2017Renaissance Technologies LLCBuy823,0491,434,000$17,968
Q3 2017Renaissance Technologies LLCBuy480,151610,951$7,820

Frequently asked questions about MWA activity

  • Which institutional owners are buying MWA?

    Institutional owners buying MWA 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 MWA activity?

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

  • Is institutional interest in MWA increasing?

    Institutional interest in MWA 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.