AptarGroup
545 hedge funds and large institutions have $7.47B invested in AptarGroup in 2026 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 205 increasing their positions, 165 reducing their positions, and 47 closing their positions.
102% more first-time investments, than exits
New positions opened: 95 | Existing positions closed: 47
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
41% more call options, than puts
Call options by funds: $2.95M | Put options by funds: $2.09M
24% more repeat investments, than reductions
Existing positions increased: 205 | Existing positions reduced: 165
8% more funds holding
Funds holding: 504 → 545 (+41)
1.05% more ownership
Funds ownership: 91.07% → 92.12% (+1.1%)
2% more capital invested
Capital invested by funds: $7.29B → $7.47B (+$180M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$50.3M |
| 2 |
AF
Atlas FRM
Greenwich,
Connecticut
|
+$45.6M |
| 3 |
QCM
Quantinno Capital Management
New York
|
+$38.6M |
| 4 |
D.E. Shaw & Co
New York
|
+$37.1M |
| 5 |
Schroder Investment Management Group
London,
United Kingdom
|
+$34.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Mawer Investment Management
Calgary,
Alberta, Canada
|
-$182M |
| 2 |
Morgan Stanley
New York
|
-$87.8M |
| 3 |
AWM
AE Wealth Management
Topeka,
Kansas
|
-$23.8M |
| 4 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$22.3M |
| 5 |
JP Morgan Chase
New York
|
-$18.6M |
ATR Hedge Fund Activity: Q1 2026 in Review
545 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in AptarGroup (ATR) for Q1 2026, worth a combined $7.47B — up 2.5% from $7.29B a quarter earlier.
Buyers outnumbered sellers: 95 funds opened new ATR positions and 47 closed out — a net gain of 48 holders — while 205 added to existing stakes and 165 trimmed.
The largest buyer was AQR Capital Management, adding an estimated $50.3M. The largest seller was Mawer Investment Management, cutting an estimated $182M.
- 545 institutional investors held AptarGroup (ATR) as of Q1 2026, up from 504 in Q4 2025.
- Funds reported $7.47B of AptarGroup stock for Q1 2026, up 2.5% quarter-over-quarter.
- 95 funds opened new AptarGroup positions in Q1 2026 and 47 closed out, a net change of +48 holders.
- The largest AptarGroup buyer in Q1 2026 was AQR Capital Management, an estimated $50.3M added.
- The largest AptarGroup seller in Q1 2026 was Mawer Investment Management, an estimated $182M sold.
Based on aggregated 13F filings for Q1 2026.