PURE STORAGE INC - CLASS A (PSTG) Stock Institutional Trading Activity


PURE STORAGE INC - CLASS A (PSTG) 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 Disciplined Growth Investors, Renaissance Technologies LLC, ARK Invest, Polen Capital Management, 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
Q1 2021Disciplined Growth InvestorsSell-696,2524,888,406$105,296
Q4 2020ARK InvestBuy15,567,86441,161,248$930,656
Q4 2020Disciplined Growth InvestorsSell-153,1375,584,658$126,269
Q3 2020ARK InvestBuy14,480,35225,593,384$393,882
Q3 2020Disciplined Growth InvestorsBuy1,445,9975,737,795$88,305
Q2 2020ARK InvestBuy6,794,98511,113,032$192,589
Q2 2020Renaissance Technologies LLCSell-1,152,8631,178,375$20,421
Q2 2020Disciplined Growth InvestorsSell-1,430,9064,291,798$74,377
Q1 2020ARK InvestBuy4,318,0474,318,047$53,112
Q1 2020Renaissance Technologies LLCSell-1,068,9622,331,238$28,674
Q1 2020Disciplined Growth InvestorsBuy2,587,9705,722,704$70,389
Q4 2019Renaissance Technologies LLCSell-656,4003,400,200$58,177
Q4 2019Disciplined Growth InvestorsBuy110,8323,134,734$53,635
Q3 2019Renaissance Technologies LLCSell-2,100,9004,056,600$68,719
Q3 2019Disciplined Growth InvestorsBuy3,023,9023,023,902$51,225
Q2 2019Renaissance Technologies LLCSell-94,0006,157,500$94,025
Q1 2019Renaissance Technologies LLCSell-696,3006,251,500$136,220
Q4 2018Renaissance Technologies LLCSell-632,2006,947,800$111,721
Q3 2018Renaissance Technologies LLCSell-3,168,6007,580,000$196,701
Q1 2018Renaissance Technologies LLCBuy4,860,80010,748,600$214,435
Q4 2017Renaissance Technologies LLCBuy2,042,9855,887,800$93,381
Q3 2017Renaissance Technologies LLCBuy1,383,8153,844,815$61,479
Q2 2017Renaissance Technologies LLCBuy1,177,0002,461,000$31,525
Q1 2017Renaissance Technologies LLCBuy1,062,7001,284,000$12,622
Q4 2016Renaissance Technologies LLCBuy221,300221,300$2,503
Q3 2016Viking Global InvestorsBuy225,028225,028$3,049
Q2 2016Tiger Global ManagementSell-4,242,6151,000,000$10,900
Q4 2015Tiger Global ManagementBuy5,242,6155,242,615$81,628

Frequently asked questions about PSTG activity

  • Which institutional owners are buying PSTG?

    Institutional owners buying PSTG 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 PSTG activity?

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

  • Is institutional interest in PSTG increasing?

    Institutional interest in PSTG 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.