(PDFS) Stock Institutional Trading Activity


(PDFS) 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 and Sequoia Financial Advisors. 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 2015Renaissance Technologies LLCBuy96,090319,300$3,193
Q2 2015Renaissance Technologies LLCBuy125,010223,210$3,571
Q1 2015Renaissance Technologies LLCBuy4,50098,200$1,760
Q3 2014Renaissance Technologies LLCSell-43,40093,700$1,182
Q2 2014Renaissance Technologies LLCSell-194,882137,100$2,909
Q1 2014Renaissance Technologies LLCBuy127,082331,982$6,032
Q4 2013Renaissance Technologies LLCSell-15,800204,900$5,250
Q3 2013Renaissance Technologies LLCBuy5,360220,700$4,685
Q2 2013Renaissance Technologies LLCBuy215,340215,340$3,969

Frequently asked questions about PDFS activity

  • Which institutional owners are buying PDFS?

    Institutional owners buying PDFS 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 PDFS activity?

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

  • Is institutional interest in PDFS increasing?

    Institutional interest in PDFS 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.