WASTE MANAGEMENT INC (WM) Stock Institutional Trading Activity


WASTE MANAGEMENT INC (WM) 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 Jensen Investment Management, Mairs & Power Growth Fund, Bill & Melinda Gates Foundation Trust, Renaissance Technologies LLC, and Parnassus Endeavor Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2021Sequoia Financial AdvisorsSell-385,944$767
Q1 2021Causeway Capital ManagementBuy114,614114,614$14,787
Q1 2021Renaissance Technologies LLCBuy117,900183,600$23,688
Q4 2020Jensen Investment ManagementBuy308,2641,294,094$152,613
Q4 2020Parnassus Endeavor FundBuy22,7575,928,171$699,109
Q4 2020Sequoia Financial AdvisorsBuy4405,982$705
Q4 2020Renaissance Technologies LLCSell-87,20065,700$7,748
Q3 2020Jensen Investment ManagementBuy985,830985,830$111,566
Q3 2020Parnassus Endeavor FundBuy722,9555,905,414$668,316
Q3 2020Sequoia Financial AdvisorsBuy5,5425,542$627
Q3 2020Renaissance Technologies LLCSell-678,800152,900$17,304
Q2 2020Parnassus Endeavor FundBuy55,3195,182,459$548,874
Q2 2020Sequoia Financial AdvisorsSell-6,2570$630
Q2 2020Renaissance Technologies LLCBuy358,011831,700$88,085
Q1 2020Parnassus Endeavor FundSell-368,0435,127,140$474,568
Q1 2020Sequoia Financial AdvisorsSell-4606,257$579
Q1 2020Renaissance Technologies LLCBuy468,689473,689$43,845
Q4 2019Parnassus Endeavor FundBuy118,9935,495,183$626,231
Q4 2019Sequoia Financial AdvisorsSell-466,717$765
Q3 2019Parnassus Endeavor FundSell-93,1765,376,190$618,262
Q3 2019Renaissance Technologies LLCSell-610,2005,000$575
Q3 2019Sequoia Financial AdvisorsBuy8056,763$778
Q2 2019Parnassus Endeavor FundSell-407,3655,469,366$631,001
Q2 2019Sequoia Financial AdvisorsBuy1,4265,958$687
Q1 2019Parnassus Endeavor FundSell-3,2365,876,731$610,651
Q1 2019Sequoia Financial AdvisorsBuy1,1554,532$471
Q4 2018Parnassus Endeavor FundBuy73,4325,879,967$523,258
Q4 2018Sequoia Financial AdvisorsBuy1993,377$301
Q4 2018Renaissance Technologies LLCSell-654,300615,200$54,747
Q3 2018Parnassus Endeavor FundBuy336,6955,806,535$524,678

Frequently asked questions about WM activity

  • Which institutional owners are buying WM?

    Institutional owners buying WM 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 WM activity?

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

  • Is institutional interest in WM increasing?

    Institutional interest in WM 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.