Marshall Wace’s Amphastar Pharmaceuticals AMPH Stock Holding History
| Quarter | Market Value | Status | Shares |
Shares Change % | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $19.5M | Sell |
848,685
-183,037
| -18% | -$4.2M | 0.02% | 538 |
|
|
2025
Q1 | $29.9M | Buy |
1,031,722
+423,016
| +69% | +$12.3M | 0.04% | 370 |
|
|
2024
Q4 | $22.6M | Buy |
608,706
+40,212
| +7% | +$1.49M | 0.03% | 462 |
|
|
2024
Q3 | $27.6M | Buy |
568,494
+341,367
| +150% | +$16.6M | 0.03% | 375 |
|
|
2024
Q2 | $9.09M | Buy |
+227,127
| New | +$9.09M | 0.01% | 703 |
|
|
2023
Q2 | – | Sell |
-64,209
| Closed | -$2.41M | – | 1977 |
|
|
2023
Q1 | $2.41M | Buy |
+64,209
| New | +$2.41M | 0.01% | 1098 |
|
|
2022
Q4 | – | Sell |
-31,638
| Closed | -$890K | – | 2303 |
|
|
2022
Q3 | $890K | Buy |
31,638
+3,197
| +11% | +$89.9K | ﹤0.01% | 1836 |
|
|
2022
Q2 | $989K | Buy |
28,441
+11,024
| +63% | +$383K | ﹤0.01% | 1872 |
|
|
2022
Q1 | $625K | Buy |
+17,417
| New | +$625K | ﹤0.01% | 2027 |
|
|
2020
Q3 | – | Sell |
-132,228
| Closed | -$2.97M | – | 1515 |
|
|
2020
Q2 | $2.97M | Sell |
132,228
-169,682
| -56% | -$3.81M | 0.02% | 623 |
|
|
2020
Q1 | $4.48M | Buy |
301,910
+7,846
| +3% | +$116K | 0.04% | 405 |
|
|
2019
Q4 | $5.67M | Sell |
294,064
-119,229
| -29% | -$2.3M | 0.04% | 451 |
|
|
2019
Q3 | $8.2M | Buy |
+413,293
| New | +$8.2M | 0.06% | 327 |
|