WD-40 CO (WDFC) Stock Institutional Trading Activity


WD-40 CO (WDFC) 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, Cullen Value Fund, Sequoia Financial Advisors, Polen Capital Management, 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.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2013Parnassus Endeavor FundBuy11,9011,144,201$85,449
Q4 2013Renaissance Technologies LLCBuy31,400397,700$29,700
Q3 2013Parnassus Endeavor FundBuy1,3001,132,300$73,486
Q3 2013Renaissance Technologies LLCBuy34,000366,300$23,773
Q2 2013Parnassus Endeavor FundBuy1,131,0001,131,000$61,617
Q2 2013Renaissance Technologies LLCBuy332,300332,300$18,104

Frequently asked questions about WDFC activity

  • Which institutional owners are buying WDFC?

    Institutional owners buying WDFC 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 WDFC activity?

    "Buy" means an investor increased their reported position in WDFC compared to the prior reporting period. This reflects growing exposure to WD-40 CO (WDFC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in WDFC increasing?

    Institutional interest in WDFC 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.