(CWST) Stock Institutional Trading Activity


(CWST) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC. 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
Q3 2025Renaissance Technologies LLCBuy49,64268,642$6,512,753
Q2 2025Renaissance Technologies LLCSell-19,05919,000$2,192,220
Q1 2025Renaissance Technologies LLCSell-48,30038,059$4,243,959
Q4 2024Renaissance Technologies LLCSell-86,10086,359$9,137,646
Q3 2024Renaissance Technologies LLCSell-121,600172,459$17,157,946
Q2 2024Renaissance Technologies LLCSell-116,342294,059$29,176,534
Q1 2024Renaissance Technologies LLCSell-108,000410,401$40,576
Q4 2023Renaissance Technologies LLCSell-110,800518,401$44,303
Q3 2023Renaissance Technologies LLCBuy24,742629,201$48,008
Q2 2023Renaissance Technologies LLCSell-58,642604,459$54,673
Q1 2023Renaissance Technologies LLCSell-10,000663,101$54,812
Q4 2022Renaissance Technologies LLCSell-13,858673,101$53,384
Q3 2022Renaissance Technologies LLCSell-107,925686,959$52,477
Q2 2022Renaissance Technologies LLCSell-88,917794,884$57,772
Q1 2022Renaissance Technologies LLCBuy18,100883,801$77,465
Q4 2021Renaissance Technologies LLCSell-108,900865,701$73,948
Q3 2021Renaissance Technologies LLCSell-98,800974,601$74,011
Q2 2021Renaissance Technologies LLCSell-71,3001,073,401$68,086
Q1 2021Renaissance Technologies LLCSell-226,2581,144,701$72,769
Q4 2020Renaissance Technologies LLCSell-293,3401,370,959$84,931
Q3 2020Renaissance Technologies LLCSell-359,5001,664,299$92,951
Q2 2020Renaissance Technologies LLCSell-361,3002,023,799$105,480
Q1 2020Renaissance Technologies LLCSell-147,5002,385,099$93,162
Q4 2019Renaissance Technologies LLCSell-226,7012,532,599$116,576
Q3 2019Renaissance Technologies LLCSell-278,7422,759,300$118,484
Q2 2019Renaissance Technologies LLCSell-109,1003,038,042$120,398
Q1 2019Renaissance Technologies LLCSell-56,5583,147,142$111,912
Q4 2018Renaissance Technologies LLCSell-210,1423,203,700$91,273
Q3 2018Renaissance Technologies LLCBuy45,6003,413,842$106,034
Q1 2018Renaissance Technologies LLCBuy156,6423,368,242$78,749

Frequently asked questions about CWST activity

  • Which institutional owners are buying CWST?

    Institutional owners buying CWST 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 CWST activity?

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

  • Is institutional interest in CWST increasing?

    Institutional interest in CWST 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.