AptarGroup Inc
Ownership
Ownership Structure
Who owns AptarGroup Inc (ATR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.0% of the shares are freely tradable; institutional investors hold 96.9%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 9.65 | 6,137,894 | +0.9 | 06/30/2026 |
| State Farm Mutual Automobile Ins Co | 7.46 | 4,744,564 | +0.0 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.72 | 3,638,724 | -3.4 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 5.54 | 3,523,908 | +4.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.55 | 2,893,751 | +0.3 | 06/30/2026 |
| State Street Corp | 4.50 | 2,863,390 | +2.8 | 06/30/2026 |
| Victory Capital Management Inc. | 4.02 | 2,554,561 | +5.6 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.56 | 2,264,781 | +0.0 | 09/30/2026 |
| Victory Sycamore Established Value R | 3.30 | 2,095,000 | +12.8 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.20 | 2,035,348 | +0.3 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Tanda Stephan B. | President and CEO | 238,729 | 34,353,103 $ | Aug 3, 2026 | direct |
| Touya Gael | President and CEO | 31,739 | 4,567,242 $ | Sep 1, 2026 | direct |
| Vinczeller Shiela | Chief Human Resources Officer | 26,313 | 3,786,441 $ | Sep 2, 2026 | direct |
| Wunderlich Ralf K. | Director | 18,690 | 2,689,491 $ | Jul 16, 2026 | direct |
| Prieur Marc | Segment President | 15,823 | 2,276,930 $ | Aug 4, 2026 | direct |
| Tlili Hedi | Segment President | 15,379 | 2,213,038 $ | Aug 3, 2026 | direct |
| Owens B Craig | Director | 11,234 | 1,616,514 $ | Jul 16, 2026 | direct |
| Kampouri Monnas Giovanna | Director | 10,128 | 1,457,419 $ | Jul 16, 2026 | direct |
| Marey-Semper Isabel | Director | 9,821 | 1,413,242 $ | Jul 16, 2026 | direct |
| Trerotola Matthew L. | Director | 9,307 | 1,339,256 $ | Jul 16, 2026 | direct |
| Matthews Candace S. | Director | 8,101 | 1,165,734 $ | Jul 16, 2026 | direct |
| Fotiades George L | Director | 6,446 | 927,579 $ | Jul 16, 2026 | direct |
| Xing Julie | Director | 5,242 | 754,324 $ | Jul 16, 2026 | direct |
| Glickman Sarah JS | Director | 4,553 | 655,177 $ | Jul 16, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 2, 2026 | Vinczeller Shiela | Chief Human Resources Officer | Sell | 765 | 130.37 | 99,733 |
| Sep 1, 2026 | Touya Gael | President and CEO | Other | 2,637 | 0.00 | – |
| Aug 27, 2026 | Touya Gael | Segment Pres., CEO Designate | Sell | 325 | 134.55 | 43,730 |
| Aug 27, 2026 | Touya Gael | Segment Pres., CEO Designate | Sell | 3,415 | 133.69 | 456,546 |
| Aug 4, 2026 | Prieur Marc | Segment President | Sell | 124 | 137.10 | 17,000 |
| Aug 4, 2026 | Prieur Marc | Segment President | Sell | 3,376 | 136.23 | 459,897 |
| Aug 3, 2026 | Tanda Stephan B. | President and CEO | Sell | 9,838 | 136.16 | 1,339,588 |
| Aug 3, 2026 | Tanda Stephan B. | President and CEO | Other | 9,838 | 74.79 | 735,784 |
| Aug 3, 2026 | Tlili Hedi | Segment President | Sell | 8,854 | 135.00 | 1,195,290 |
| Jul 16, 2026 | Fotiades George L | Director | Other | 151 | 0.00 | – |
| Jul 16, 2026 | Kampouri Monnas Giovanna | Director | Other | 151 | 0.00 | – |
| Jul 16, 2026 | Marey-Semper Isabel | Director | Other | 151 | 0.00 | – |
| Jul 16, 2026 | Matthews Candace S. | Director | Other | 226 | 0.00 | – |
| Jul 16, 2026 | Wunderlich Ralf K. | Director | Other | 151 | 0.00 | – |
| Jul 16, 2026 | Owens B Craig | Director | Other | 151 | 0.00 | – |
| Jul 16, 2026 | Glickman Sarah JS | Director | Other | 151 | 0.00 | – |
| Jul 16, 2026 | Xing Julie | Director | Other | 151 | 0.00 | – |
| Jul 16, 2026 | Trerotola Matthew L. | Director | Other | 151 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.