APTARGROUP INC (ATR) Stock Institutional Trading Activity


APTARGROUP INC (ATR) 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, Sequoia Financial Advisors, Matrix Private Capital Group, 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
Q4 2017Renaissance Technologies LLCBuy129,700218,100$18,818
Q3 2017Renaissance Technologies LLCBuy31,30088,400$7,630
Q2 2017Renaissance Technologies LLCSell-177,00057,100$4,960
Q1 2017Renaissance Technologies LLCBuy97,700234,100$18,023
Q4 2016Renaissance Technologies LLCSell-34,100136,400$10,019
Q3 2016Renaissance Technologies LLCSell-25,100170,500$13,198
Q2 2016Renaissance Technologies LLCSell-287,200195,600$15,478
Q1 2016Renaissance Technologies LLCBuy230,400482,800$37,856
Q4 2015Renaissance Technologies LLCBuy94,500252,400$18,337
Q3 2015Renaissance Technologies LLCSell-4,300157,900$10,415
Q2 2015Renaissance Technologies LLCBuy61,200162,200$10,343
Q1 2015Renaissance Technologies LLCBuy72,300101,000$6,416
Q4 2014Renaissance Technologies LLCSell-75,10028,700$1,918
Q3 2014Renaissance Technologies LLCBuy95,700103,800$6,301
Q2 2014Renaissance Technologies LLCSell-49,0008,100$543
Q2 2014First Eagle U.S. ValueSell-1,49014,129$947
Q2 2013First Eagle U.S. ValueBuy15,61915,619$862
Q2 2013Renaissance Technologies LLCBuy57,10057,100$3,152

Frequently asked questions about ATR activity

  • Which institutional owners are buying ATR?

    Institutional owners buying ATR 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 ATR activity?

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

  • Is institutional interest in ATR increasing?

    Institutional interest in ATR 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.