(PRKS) Stock Institutional Trading Activity


(PRKS) 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, Olstein Capital Management, Greenlight Capital, Lone Pine Capital, and First Eagle U.S. Value. 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 2025Renaissance Technologies LLCBuy21,700111,600$5,769,720
Q1 2025Renaissance Technologies LLCBuy39,50089,900$4,086,854
Q4 2024Renaissance Technologies LLCBuy41,40050,400$2,831,976
Q3 2024Renaissance Technologies LLCSell-94,9199,000$455,400
Q2 2024Renaissance Technologies LLCSell-109,200103,919$5,643,841
Q1 2024Renaissance Technologies LLCSell-114,600213,119$11,979
Q4 2023Renaissance Technologies LLCSell-194,381327,719$17,313
Q3 2023Renaissance Technologies LLCSell-237,700522,100$24,147
Q2 2023Renaissance Technologies LLCSell-382,200759,800$42,556
Q1 2023Renaissance Technologies LLCSell-151,5001,142,000$70,016
Q4 2022Renaissance Technologies LLCBuy441,0001,293,500$69,215
Q3 2022Renaissance Technologies LLCBuy296,600852,500$38,797
Q2 2022Renaissance Technologies LLCBuy101,300555,900$24,560
Q1 2022Renaissance Technologies LLCSell-508,200454,600$33,840
Q4 2021Renaissance Technologies LLCBuy183,600962,800$62,447
Q3 2021Renaissance Technologies LLCBuy620,800779,200$43,105
Q2 2021Renaissance Technologies LLCSell-154,105158,400$7,910
Q1 2021Renaissance Technologies LLCSell-2,620312,505$15,522
Q4 2020Renaissance Technologies LLCSell-444,500315,125$9,955
Q3 2020Olstein Capital ManagementSell-168,437204,463$4,032
Q3 2020Renaissance Technologies LLCSell-791,200759,625$14,980
Q2 2020Olstein Capital ManagementSell-73,493372,900$5,523
Q2 2020Renaissance Technologies LLCSell-593,4001,550,825$22,968
Q1 2020Olstein Capital ManagementBuy161,393446,393$4,919
Q1 2020Renaissance Technologies LLCSell-431,7942,144,225$23,629
Q4 2019Olstein Capital ManagementBuy12,000285,000$9,037
Q4 2019Renaissance Technologies LLCBuy570,2942,576,019$81,686
Q3 2019Olstein Capital ManagementSell-6,000273,000$7,185
Q3 2019Renaissance Technologies LLCBuy180,4002,005,725$52,791
Q2 2019Olstein Capital ManagementSell-8,500279,000$8,649

Frequently asked questions about PRKS activity

  • Which institutional owners are buying PRKS?

    Institutional owners buying PRKS 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 PRKS activity?

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

  • Is institutional interest in PRKS increasing?

    Institutional interest in PRKS 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.