SEC 13F Intelligence

Cornerstone Capital, Inc. / ATR

Cornerstone Capital, Inc.’s Aptargroup Inc Position

Does Cornerstone Capital, Inc. own Aptargroup Inc (ATR)? Yes — 183.5K shares worth $23M (+2.31% of its 13F portfolio) as of Q1 2026, up from 146.8K shares the prior filed quarter.

Position Value
$23M
Q1 2026
Shares
183.5K
% of Portfolio
+2.31%
Quarters Held
30
currently held

Position History ATR

Reported value by quarter
Q4 ’18: $20MQ4 ’18Q1 ’19: $22MQ2 ’19: $26MQ3 ’19: $24MQ4 ’19: $24MQ4 ’19Q1 ’20: $15MQ2 ’20: $16MQ3 ’20: $16MQ4 ’20: $19MQ4 ’20Q1 ’21: $19MQ2 ’21: $19MQ3 ’21: $16MQ4 ’21: $16MQ4 ’21Q1 ’22: $16MQ2 ’22: $13MQ3 ’22: $13MQ4 ’22: $15MQ4 ’22Q1 ’23: $17MQ2 ’23: $15MQ3 ’23: $16MQ4 ’23: $16MQ4 ’23Q1 ’24: $18MQ2 ’24: $18MQ3 ’24: $20MQ4 ’24: $16MQ4 ’24Q1 ’25: $15MQ2 ’25: $16MQ3 ’25: $19MQ4 ’25: $18MQ4 ’25Q1 ’26: $23Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026183.5K$23M+2.31%
Q4 2025146.8K$18M+1.76%
Q3 2025142.3K$19M+1.86%
Q2 202599.2K$16M+1.62%
Q1 2025103.8K$15M+1.66%
Q4 2024104.0K$16M+1.72%
Q3 2024124.1K$20M+1.86%
Q2 2024128.0K$18M+1.82%
Q1 2024125.9K$18M+1.86%
Q4 2023128.5K$16M+1.74%
Q3 2023129.3K$16M+1.95%
Q2 2023132.2K$15M+1.77%
Q1 2023139.8K$17M+1.99%
Q4 2022136.5K$15M+1.92%
Q3 2022137.1K$13M+1.83%
Q2 2022130.6K$13M+1.73%
Q1 2022132.7K$16M+1.75%
Q4 2021132.9K$16M+1.73%
Q3 2021131.8K$16M+1.81%
Q2 2021133.0K$19M+2.12%
Q1 2021134.3K$19M+2.30%
Q4 2020138.9K$19M+2.45%
Q3 2020141.3K$16M+2.31%
Q2 2020140.5K$16M+2.68%
Q1 2020148.6K$15M+3.08%
Q4 2019208.5K$24M+3.40%
Q3 2019198.6K$24M+3.66%
Q2 2019207.6K$26M+4.05%
Q1 2019207.7K$22M+3.65%
Q4 2018211.2K$20M+3.54%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Cornerstone Capital, Inc.’s full portfolio or all institutional holders of ATR.