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
Q2 2019Renaissance Technologies LLCSell-296,52316,577$2,711
Q1 2019Renaissance Technologies LLCBuy102,598313,100$44,839
Q4 2018Renaissance Technologies LLCBuy102,702210,502$29,289
Q1 2018Renaissance Technologies LLCSell-79,100107,800$19,509
Q4 2017Renaissance Technologies LLCBuy61,500186,900$31,780
Q1 2017Renaissance Technologies LLCBuy69,200125,400$17,955
Q4 2016Renaissance Technologies LLCSell-24,80056,200$8,324
Q3 2016Renaissance Technologies LLCSell-44,90081,000$11,413
Q2 2016Renaissance Technologies LLCSell-103,800125,900$17,713
Q1 2016Renaissance Technologies LLCBuy192,300229,700$30,950
Q4 2015Renaissance Technologies LLCSell-15,30037,400$4,381
Q3 2014Renaissance Technologies LLCSell-43,40052,700$4,542
Q2 2014Renaissance Technologies LLCSell-128,16496,100$9,875
Q2 2014Eagle Capital ManagementBuy63428,989$2,979
Q1 2014Renaissance Technologies LLCBuy51,164224,264$22,406
Q1 2014Eagle Capital ManagementBuy19,69028,355$2,833
Q4 2013Renaissance Technologies LLCBuy168,300173,100$16,628
Q4 2013Eagle Capital ManagementBuy8,6658,665$832
Q3 2013Renaissance Technologies LLCSell-17,2004,800$452
Q2 2013Renaissance Technologies LLCBuy22,00022,000$1,847

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.