Assenagon Asset Management
AMPH icon

Assenagon Asset Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$381K Buy
16,610
+1,394
+9% +$32K ﹤0.01% 1046
2025
Q1
$441K Sell
15,216
-146,183
-91% -$4.24M ﹤0.01% 1017
2024
Q4
$5.99M Sell
161,399
-5,956
-4% -$221K 0.01% 624
2024
Q3
$8.12M Sell
167,355
-22,250
-12% -$1.08M 0.01% 559
2024
Q2
$7.58M Buy
189,605
+35,306
+23% +$1.41M 0.02% 481
2024
Q1
$6.78M Buy
+154,299
New +$6.78M 0.02% 501
2023
Q3
Sell
-12,123
Closed -$697K 1334
2023
Q2
$697K Sell
12,123
-156,933
-93% -$9.02M ﹤0.01% 1019
2023
Q1
$6.34M Sell
169,056
-4,423
-3% -$166K 0.02% 486
2022
Q4
$4.86M Buy
173,479
+28,263
+19% +$792K 0.02% 508
2022
Q3
$4.08M Sell
145,216
-273,801
-65% -$7.69M 0.02% 513
2022
Q2
$14.6M Sell
419,017
-8,588
-2% -$299K 0.05% 267
2022
Q1
$15.4M Sell
427,605
-100,073
-19% -$3.59M 0.04% 256
2021
Q4
$12.3M Buy
527,678
+349,875
+197% +$8.15M 0.04% 256
2021
Q3
$3.38M Sell
177,803
-12,214
-6% -$232K 0.01% 498
2021
Q2
$3.83M Buy
190,017
+29,770
+19% +$600K 0.01% 509
2021
Q1
$2.94M Buy
+160,247
New +$2.94M 0.01% 596
2019
Q1
Sell
-65,926
Closed -$1.31M 891
2018
Q4
$1.31M Buy
+65,926
New +$1.31M 0.01% 540