WATSCO INC (WSO) Stock Institutional Trading Activity


WATSCO INC (WSO) 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, Sequoia Financial Advisors, Bares Capital Management, and Eagle Capital Management. 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 LLCBuy167,080305,280$102,864,096
Q3 2025Sequoia Financial AdvisorsSell-480689$278,468
Q3 2025Renaissance Technologies LLCBuy89,500138,200$55,874,260
Q2 2025Bares Capital ManagementBuy1245$19,873
Q2 2025Sequoia Financial AdvisorsBuy4871,169$516,325
Q2 2025Renaissance Technologies LLCBuy10,70048,700$21,506,894
Q1 2025Bares Capital ManagementBuy3333$16,774
Q1 2025Sequoia Financial AdvisorsSell-70682$346,791
Q1 2025Renaissance Technologies LLCSell-24,40038,000$19,315,400
Q4 2024Sequoia Financial AdvisorsBuy199752$356,473
Q4 2024Renaissance Technologies LLCBuy35,80062,400$29,570,736
Q3 2024Sequoia Financial AdvisorsBuy5553$272,010
Q3 2024Renaissance Technologies LLCSell-13,60026,600$13,084,008
Q2 2024Sequoia Financial AdvisorsBuy70548$253,782
Q1 2024Sequoia Financial AdvisorsBuy478478$206,482
Q1 2023Renaissance Technologies LLCSell-173,20040,200$12,790
Q4 2022Renaissance Technologies LLCBuy45,900213,400$53,222
Q3 2022Renaissance Technologies LLCBuy69,600167,500$43,125
Q2 2022Renaissance Technologies LLCSell-21,30097,900$23,380
Q1 2022Renaissance Technologies LLCSell-23,500119,200$36,313
Q4 2021Renaissance Technologies LLCBuy42,600142,700$44,648
Q3 2021Renaissance Technologies LLCBuy50,400100,100$26,488
Q2 2021Renaissance Technologies LLCSell-125,80049,700$14,246
Q1 2021Renaissance Technologies LLCBuy20,600175,500$45,762
Q4 2020Renaissance Technologies LLCSell-34,368154,900$35,093
Q3 2020Renaissance Technologies LLCBuy56,126189,268$44,079
Q2 2020Renaissance Technologies LLCBuy39,900133,142$23,659
Q1 2020Renaissance Technologies LLCBuy66,64293,242$14,735
Q4 2019Renaissance Technologies LLCBuy20,50026,600$4,792
Q3 2019Renaissance Technologies LLCSell-10,4776,100$1,032

Frequently asked questions about WSO activity

  • Which institutional owners are buying WSO?

    Institutional owners buying WSO 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 WSO activity?

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

  • Is institutional interest in WSO increasing?

    Institutional interest in WSO 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.