CANADIAN SOLAR INC (CSIQ) Stock Institutional Trading Activity


CANADIAN SOLAR INC (CSIQ) 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 Polen Capital Management, Renaissance Technologies LLC, and ARK Invest. 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 2025Polen Capital ManagementBuy22,22322,223$528,241
Q3 2023Renaissance Technologies LLCBuy136,800234,602$5,774
Q2 2023Renaissance Technologies LLCSell-205,70097,802$3,784
Q1 2023Renaissance Technologies LLCSell-95,300303,502$12,082
Q4 2022Renaissance Technologies LLCBuy24,700398,802$12,323
Q3 2022Renaissance Technologies LLCBuy313,826374,102$13,935
Q2 2022ARK InvestSell-2324,882$157
Q1 2022ARK InvestSell-1,0695,114$181
Q4 2021ARK InvestBuy6,1836,183$193
Q4 2020Renaissance Technologies LLCBuy11,57460,276$3,089
Q1 2019Renaissance Technologies LLCBuy24,50248,702$907
Q3 2015Renaissance Technologies LLCSell-1,143,10224,200$402
Q2 2015Renaissance Technologies LLCBuy1,008,9021,167,302$33,385
Q1 2015Renaissance Technologies LLCBuy151,498158,400$5,289
Q3 2014Renaissance Technologies LLCSell-964,8006,902$247
Q4 2013Renaissance Technologies LLCBuy954,902971,702$28,976
Q2 2013Renaissance Technologies LLCBuy16,80016,800$185

Frequently asked questions about CSIQ activity

  • Which institutional owners are buying CSIQ?

    Institutional owners buying CSIQ 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 CSIQ activity?

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

  • Is institutional interest in CSIQ increasing?

    Institutional interest in CSIQ 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.