Aptargroup
ATR · NYSE
Who owns ATR
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 46.9% of ATR’s shares.
- BlackRock Institutional Trust Company, N.A.8.5%
- State Farm Insurance Companies8.2%
- Vanguard Portfolio Management, LLC5.7%
- Vanguard Capital Management, LLC4.5%
- Next 6 largest institutions20.0%
- All other shareholders53.1%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 5.40M | 8.46% |
| State Farm Insurance Companies | 5.23M | 8.20% |
| Vanguard Portfolio Management, LLC | 3.64M | 5.70% |
| Vanguard Capital Management, LLC | 2.89M | 4.53% |
| State Street Investment Management (US) | 2.86M | 4.49% |
| Victory Capital Management Inc. | 2.55M | 4.00% |
| Atlanta Capital Management Company, L.L.C. | 2.33M | 3.65% |
| Geode Capital Management, L.L.C. | 1.75M | 2.74% |
| Dimensional Fund Advisors, L.P. | 1.74M | 2.73% |
| Neuberger Berman, LLC | 1.55M | 2.43% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 2.23M | 3.50% |
| Vanguard Total Stock Market Index Fund | 2.03M | 3.18% |
| Victory Sycamore Established Value Fund | 1.75M | 2.73% |
| Eaton Vance-Atlanta Capital SMID-Cap Fund | 1.66M | 2.61% |
| Vanguard Small-Cap Index Fund | 1.47M | 2.30% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $5.23M (15 trades) of ATR on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Vinczeller Shiela | Sale | 765 | $99.73K |
| Touya Gael | Award | 9.53K | — |
| Touya Gael | Award | 2.64K | — |
| Touya Gael | Sale | 325 | $43.73K |
| Touya Gael | Sale | 3.42K | $456.55K |
| Prieur Marc | Sale | 124 | $17.00K |
| Prieur Marc | Sale | 3.38K | $459.90K |
| Tanda Stephan B. | Option exercise | 9.84K | — |
| Tanda Stephan B. | Sale | 9.84K | $1.34M |
| Tanda Stephan B. | Option exercise | 9.84K | $735.78K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Michael McCaulHouse | Purchase | $15K–$50K | Nov 19, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.09M
- Days to cover
- 4.37
- % of shares outstanding
- 3.27%
- Average daily volume
- 478.36K
- Change since last report
- +7.6%
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