APTARGROUP INC (ATR) Institutional Buying Activity

Institutional investors tracked by InsiderSet increased exposure to APTARGROUP INC (ATR) during the quarter ended March 31, 2026 through a combination of new purchases and expanded existing positions disclosed in SEC Form 13F filings.

The largest institutional buyer of ATR during the latest reporting period was Renaissance Technologies LLC, which increased its reported ATR position by approximately $9.27M based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in ATR exposure during the quarter.

Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward APTARGROUP INC (ATR). InsiderSet tracks quarterly accumulation trends, new institutional positions, ownership increases, and estimated performance of newly disclosed holdings using SEC filing data and recent market prices.

The investors highlighted on this page collectively added approximately $21.35M in reported ATR exposure during the latest filing period, reflecting continued institutional interest in APTARGROUP INC's growth initiatives and strategic positioning.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy29,200172,800$21,776,256
Q4 2025Renaissance Technologies LLCBuy28,500143,600$17,513,456
Q4 2025Sequoia Financial AdvisorsBuy1,6704,163$507,720
Q3 2025Renaissance Technologies LLCBuy22,000115,100$15,384,266
Q2 2025Sequoia Financial AdvisorsBuy2,4932,493$389,980
Q1 2025Renaissance Technologies LLCBuy62,500124,000$18,399,120
Q2 2024Renaissance Technologies LLCBuy9,000141,500$19,924,615
Q1 2024Renaissance Technologies LLCBuy12,400132,500$19,065
Q4 2023Renaissance Technologies LLCBuy53,300120,100$14,847
Q2 2023Renaissance Technologies LLCBuy102,500148,900$17,252
Q3 2022Renaissance Technologies LLCBuy32,60078,000$7,412
Q2 2022Renaissance Technologies LLCBuy40,40045,400$4,686
Q1 2021Matrix Private Capital GroupBuy141,709$242
Q3 2020Renaissance Technologies LLCBuy25,900149,200$16,889
Q2 2020Renaissance Technologies LLCBuy95,200123,300$13,807
Q4 2019Matrix Private Capital GroupBuy2,1392,139$247
Q3 2019Renaissance Technologies LLCBuy30,900119,500$14,155
Q1 2018Renaissance Technologies LLCBuy117,800335,900$30,174
Q4 2017Renaissance Technologies LLCBuy129,700218,100$18,818
Q3 2017Renaissance Technologies LLCBuy31,30088,400$7,630
Q1 2017Renaissance Technologies LLCBuy97,700234,100$18,023
Q1 2016Renaissance Technologies LLCBuy230,400482,800$37,856
Q4 2015Renaissance Technologies LLCBuy94,500252,400$18,337
Q2 2015Renaissance Technologies LLCBuy61,200162,200$10,343
Q1 2015Renaissance Technologies LLCBuy72,300101,000$6,416
Q3 2014Renaissance Technologies LLCBuy95,700103,800$6,301
Q2 2013Renaissance Technologies LLCBuy57,10057,100$3,152
Q2 2013First Eagle U.S. ValueBuy15,61915,619$862

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.

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