Aptargroup, Inc. (ATR) Institutional Ownership

Ownership Summary

Recent 13F filings as of December 2025 show that 14 institutional investors hold a position in Aptargroup, Inc. (NYSE:ATR).

• Institutional ownership in Aptargroup edged down to 0.2% in December 2025, compared to 90.8% in September 2025.
• Institutional share ownership changed by 155.13% QoQ, while the number of institutional owners saw a decrease of 97.18% YoY.
• A review of institutional activity for Aptargroup shows 9 of 14 filers increasing their positions, while 3 reduced their stake, and 2 remained unchanged.
• This class of investors increased its holdings in Aptargroup to 116.56K shares for the 13F-cycle ending December 2025, up by 70.87K shares quarter on quarter, and down 60.81Mn shares year over year.
• The top institutional stake in Aptargroup as of December 31, 2025 belongs to NORDEA INVESTMENT MANAGEMENT AB, which owns 59.87K shares, or 0.09% of the company.
• Among the most significant buyers of Aptargroup during December 2025 were NORDEA INVESTMENT MANAGEMENT AB (59.87K), SG Americas Securities, LLC (17.27K), Assenagon Asset Management S.A. (8.18K), 180 WEALTH ADVISORS, LLC (2.27K), Versant Capital Management, Inc (683).
• Leading sellers of Aptargroup stock in December 2025 included First Financial Bank - Trust Division (17.16K), GAMMA Investing LLC (320), True Wealth Design, LLC (50).
• The top 10 institutional holders of Aptargroup for the quarter ending December 2025 included NORDEA INVESTMENT MANAGEMENT AB (59.87K), SG Americas Securities, LLC (23.85K), McCollum Christoferson Group LLC (10.42K), Assenagon Asset Management S.A. (10.28K), Procyon Advisors, LLC (3.06K), FULTON BANK, N.A. (2.37K), 180 WEALTH ADVISORS, LLC (2.27K), First Financial Bank - Trust Division (2.04K), Versant Capital Management, Inc (891), GAMMA Investing LLC (710).