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ATR · Aptargroup, Inc.

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Market Cap
$8.46B
Shares
63.58M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 554
Total Value: $7,657,312,434
Total Shares: 61,160,645
Showing 1–100 of 558 holdings by value · page 1 of 6

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 554 13F filers · Δ vs Mar 31, 2026
Top Holder
10.0%
Sep 2023 → Jun 2026 · range 10.0% – 12.0%
−0.2 pts
Top 5
34.2%
Sep 2023 → Jun 2026 · range 34.2% – 43.6%
−0.9 pts
Top 10
51.3%
Sep 2023 → Jun 2026 · range 51.3% – 56.5%
−0.2 pts
HHI
353
Sep 2023 → Jun 2026 · range 353 – 473
Broadly held−10

Quarterly Activity

vs Mar 31, 2026
New
75
Increased
194
Decreased
209
Sold Out
66
Unchanged
76
Holder count: +9
Institutional value: +2.4%
Shares held: +3.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 558
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 896622 CUSIP 038336103 13F (30d) 395 filings 379 filers Visit website Investor relations