Magnetar Financial’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
Sell
-6,240
Closed -$761K 1149
2025
Q4
$761K Buy
+6,240
New +$771K 0.01% 487
2025
Q1
Sell
-3,106
Closed -$488K 735
2024
Q4
$488K Sell
3,106
-36,097
-92% -$6.03M 0.01% 376
2024
Q3
$6.28M Buy
39,203
+5,901
+18% +$874K 0.14% 120
2024
Q2
$4.69M Buy
33,302
+10,306
+45% +$1.49M 0.1% 114
2024
Q1
$3.31M Sell
22,996
-10,873
-32% -$1.47M 0.07% 155
2023
Q4
$4.19M Buy
+33,869
New +$4.26M 0.11% 126
2023
Q3
Sell
-5,803
Closed -$672K 449
2023
Q2
$672K Buy
+5,803
New +$680K 0.01% 309
2023
Q1
Sell
-5,165
Closed -$568K 608
2022
Q4
$568K Sell
5,165
-2,185
-30% -$224K 0.01% 589
2022
Q3
$698K Sell
7,350
-2,275
-24% -$237K 0.01% 774
2022
Q2
$993 Buy
+9,625
New +$1.05M 0.01% 974
2022
Q1
Sell
-2,362
Closed -$289K 1325
2021
Q4
$289K Sell
2,362
-11,652
-83% -$1.45M ﹤0.01% 1073
2021
Q3
$1.67M Buy
14,014
+1,204
+9% +$158K 0.02% 629
2021
Q2
$1.8K Buy
+12,810
New +$1.89M 0.02% 596
2020
Q4
Sell
-2,977
Closed -$337K 722
2020
Q3
$337K Buy
+2,977
New +$348K 0.01% 511
2020
Q1
Sell
-3,457
Closed -$400K 472
2019
Q4
$400K Sell
3,457
-2,593
-43% -$295K 0.01% 374
2019
Q3
$717K Buy
+6,050
New +$732K 0.02% 296
2019
Q2
Sell
-3,500
Closed -$372K 445
2019
Q1
$372K Sell
3,500
-947
-21% -$94.6K 0.01% 295
2018
Q4
$418K Buy
+4,447
New +$453K 0.01% 165
2018
Q3
Sell
-9,614
Closed -$898K 516
2018
Q2
$898K Sell
9,614
-1,829
-16% -$170K 0.01% 160
2018
Q1
$1.03M Sell
11,443
-822
-7% -$72.5K 0.02% 200
2017
Q4
$1.06M Buy
+12,265
New +$1.07M 0.02% 217
2016
Q2
Sell
-2,955
Closed -$232K 369
2016
Q1
$232K Buy
+2,955
New +$217K ﹤0.01% 345

Other funds holding ATR

Magnetar Financial's ATR Position: Q1 2026 in Review

Magnetar Financial sold out of AptarGroup (ATR) in Q1 2026, closing a stake of 6,240 shares — an estimated $761K sold.

Magnetar Financial first reported a position in ATR in Q1 2016 and held it in 22 quarters. The position peaked at $6.28M in Q3 2024. 542 funds tracked by Wall St. Rank hold ATR as of Q1 2026.

  • Magnetar Financial reported no remaining AptarGroup position as of Q1 2026 after selling out during the quarter.
  • Magnetar Financial sold 6,240 AptarGroup shares in Q1 2026, an estimated $761K.
  • Magnetar Financial first reported a position in AptarGroup in Q1 2016 and held it in 22 quarters.
  • Magnetar Financial's AptarGroup position peaked at $6.28M in Q3 2024.
  • 542 funds tracked by Wall St. Rank held AptarGroup as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.