William Blair & Company’s AptarGroup ATR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $463K | Sell |
3,674
-7,159
| -66% | -$933K | ﹤0.01% | 1180 |
|
|
2025
Q4 | $1.32M | Buy |
10,833
+6,960
| +180% | +$860K | ﹤0.01% | 863 |
|
|
2025
Q3 | $518K | Buy |
3,873
+223
| +6% | +$32.2K | ﹤0.01% | 1103 |
|
|
2025
Q2 | $571K | Hold |
3,650
| – | – | ﹤0.01% | 1054 |
|
|
2025
Q1 | $542K | Sell |
3,650
-165
| -4% | -$24.8K | ﹤0.01% | 1065 |
|
|
2024
Q4 | $599K | Hold |
3,815
| – | – | ﹤0.01% | 1040 |
|
|
2024
Q3 | $611K | Sell |
3,815
-350
| -8% | -$51.9K | ﹤0.01% | 1058 |
|
|
2024
Q2 | $586K | Buy |
4,165
+450
| +12% | +$65.1K | ﹤0.01% | 1048 |
|
|
2024
Q1 | $535K | Sell |
3,715
-430
| -10% | -$58.2K | ﹤0.01% | 1072 |
|
|
2023
Q4 | $512K | Sell |
4,145
-560
| -12% | -$70.4K | ﹤0.01% | 1065 |
|
|
2023
Q3 | $588K | Sell |
4,705
-2,471
| -34% | -$303K | ﹤0.01% | 1009 |
|
|
2023
Q2 | $831K | Sell |
7,176
-479
| -6% | -$56.1K | ﹤0.01% | 905 |
|
|
2023
Q1 | $905K | Buy |
7,655
+1,984
| +35% | +$226K | ﹤0.01% | 861 |
|
|
2022
Q4 | $624K | Sell |
5,671
-77
| -1% | -$7.91K | ﹤0.01% | 978 |
|
|
2022
Q3 | $546K | Sell |
5,748
-4,763
| -45% | -$496K | ﹤0.01% | 1010 |
|
|
2022
Q2 | $1.08M | Sell |
10,511
-8,436
| -45% | -$920K | ﹤0.01% | 821 |
|
|
2022
Q1 | $2.23M | Sell |
18,947
-7,386
| -28% | -$868K | 0.01% | 676 |
|
|
2021
Q4 | $3.23M | Sell |
26,333
-16,471
| -38% | -$2.05M | 0.01% | 599 |
|
|
2021
Q3 | $5.11M | Sell |
42,804
-9,133
| -18% | -$1.2M | 0.02% | 454 |
|
|
2021
Q2 | $7.32M | Sell |
51,937
-655
| -1% | -$96.6K | 0.03% | 376 |
|
|
2021
Q1 | $7.45M | Sell |
52,592
-2,361
| -4% | -$326K | 0.03% | 373 |
|
|
2020
Q4 | $7.52M | Sell |
54,953
-3,522
| -6% | -$437K | 0.03% | 363 |
|
|
2020
Q3 | $6.62M | Sell |
58,475
-1,417
| -2% | -$166K | 0.03% | 342 |
|
|
2020
Q2 | $6.71M | Buy |
59,892
+625
| +1% | +$66.5K | 0.03% | 327 |
|
|
2020
Q1 | $5.9M | Sell |
59,267
-23,297
| -28% | -$2.53M | 0.04% | 302 |
|
|
2019
Q4 | $9.55M | Buy |
82,564
+51,286
| +164% | +$5.83M | 0.05% | 272 |
|
|
2019
Q3 | $3.71M | Buy |
31,278
+1,399
| +5% | +$169K | 0.02% | 439 |
|
|
2019
Q2 | $3.71M | Buy |
29,879
+1,765
| +6% | +$201K | 0.02% | 443 |
|
|
2019
Q1 | $2.99M | Buy |
28,114
+161
| +0.6% | +$16.1K | 0.02% | 462 |
|
|
2018
Q4 | $2.63M | Buy |
27,953
+1,821
| +7% | +$186K | 0.02% | 463 |
|
|
2018
Q3 | $2.81M | Buy |
26,132
+1,990
| +8% | +$204K | 0.02% | 486 |
|
|
2018
Q2 | $2.25M | Sell |
24,142
-1,547
| -6% | -$144K | 0.02% | 529 |
|
|
2018
Q1 | $2.31M | Sell |
25,689
-115,611
| -82% | -$10.2M | 0.02% | 519 |
|
|
2017
Q4 | $12.2M | Buy |
141,300
+119,492
| +548% | +$10.4M | 0.08% | 227 |
|
|
2017
Q3 | $1.88M | Sell |
21,808
-749
| -3% | -$63.7K | 0.01% | 568 |
|
|
2017
Q2 | $1.96M | Sell |
22,557
-2,577
| -10% | -$212K | 0.01% | 573 |
|
|
2017
Q1 | $1.92M | Sell |
25,134
-1,845
| -7% | -$138K | 0.02% | 553 |
|
|
2016
Q4 | $1.98M | Sell |
26,979
-1,680
| -6% | -$125K | 0.02% | 494 |
|
|
2016
Q3 | $2.22M | Sell |
28,659
-10,970
| -28% | -$858K | 0.02% | 476 |
|
|
2016
Q2 | $3.14M | Sell |
39,629
-3,861
| -9% | -$299K | 0.03% | 380 |
|
|
2016
Q1 | $3.41M | Sell |
43,490
-8,418
| -16% | -$617K | 0.03% | 344 |
|
|
2015
Q4 | $3.77M | Sell |
51,908
-2,957
| -5% | -$214K | 0.04% | 340 |
|
|
2015
Q3 | $3.62M | Buy |
54,865
+12,733
| +30% | +$844K | 0.03% | 378 |
|
|
2015
Q2 | $2.69M | Buy |
42,132
+13,220
| +46% | +$845K | ﹤0.01% | 1248 |
|
|
2015
Q1 | $1.84M | Sell |
28,912
-1,295
| -4% | -$83.3K | ﹤0.01% | 1344 |
|
|
2014
Q4 | $2.02M | Sell |
30,207
-587
| -2% | -$37.2K | ﹤0.01% | 1286 |
|
|
2014
Q3 | $1.87M | Sell |
30,794
-4,118
| -12% | -$262K | ﹤0.01% | 1280 |
|
|
2014
Q2 | $2.34M | Sell |
34,912
-1,710
| -5% | -$114K | ﹤0.01% | 1204 |
|
|
2014
Q1 | $2.42M | Sell |
36,622
-340
| -0.9% | -$22.1K | ﹤0.01% | 1150 |
|
|
2013
Q4 | $2.51M | Buy |
36,962
+1,740
| +5% | +$111K | ﹤0.01% | 1111 |
|
|
2013
Q3 | $2.12M | Sell |
35,222
-175
| -0.5% | -$10.4K | ﹤0.01% | 1118 |
|
|
2013
Q2 | $1.95M | Buy |
+35,397
| New | +$1.99M | ﹤0.01% | 1089 |
|
Other funds holding ATR
VPM
VCM
BTW
William Blair & Company's ATR Position: Q1 2026 in Review
William Blair & Company reduced its AptarGroup (ATR) stake by 66% in Q1 2026, selling an estimated $933K and leaving 3,674 shares worth $463K. The position accounts for ﹤0.01% of the portfolio, ranked #1180.
William Blair & Company first reported a position in ATR in Q2 2013 and has held it in 52 quarters since. The position peaked at $12.2M in Q4 2017. 542 funds tracked by Wall St. Rank hold ATR as of Q1 2026.
- William Blair & Company held 3,674 shares of AptarGroup worth $463K as of Q1 2026.
- William Blair & Company sold 7,159 AptarGroup shares in Q1 2026, an estimated $933K.
- AptarGroup made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1180 holding.
- William Blair & Company first reported a position in AptarGroup in Q2 2013 and has held it in 52 quarters since.
- William Blair & Company's AptarGroup position peaked at $12.2M in Q4 2017.
- 542 funds tracked by Wall St. Rank held AptarGroup as of Q1 2026.
Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.