Renaissance Technologies’s Amphastar Pharmaceuticals AMPH Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $10.9M | Buy |
553,900
+9,200
| +2% | +$225K | 0.02% | 933 |
|
|
2025
Q4 | $14.6M | Sell |
544,700
-42,200
| -7% | -$1.09M | 0.02% | 751 |
|
|
2025
Q3 | $15.6M | Buy |
586,900
+10,400
| +2% | +$269K | 0.02% | 855 |
|
|
2025
Q2 | $13.2M | Buy |
576,500
+81,500
| +16% | +$2.02M | 0.02% | 905 |
|
|
2025
Q1 | $14.4M | Sell |
495,000
-30,500
| -6% | -$974K | 0.02% | 821 |
|
|
2024
Q4 | $19.5M | Buy |
525,500
+36,100
| +7% | +$1.65M | 0.03% | 682 |
|
|
2024
Q3 | $23.8M | Sell |
489,400
-48,300
| -9% | -$2.12M | 0.04% | 588 |
|
|
2024
Q2 | $21.5M | Sell |
537,700
-61,400
| -10% | -$2.54M | 0.04% | 558 |
|
|
2024
Q1 | $26.3M | Sell |
599,100
-42,800
| -7% | -$2.21M | 0.04% | 518 |
|
|
2023
Q4 | $39.7M | Buy |
641,900
+38,800
| +6% | +$2.04M | 0.06% | 364 |
|
|
2023
Q3 | $27.7M | Buy |
603,100
+110,517
| +22% | +$6.03M | 0.05% | 441 |
|
|
2023
Q2 | $28.3M | Sell |
492,583
-4,217
| -0.8% | -$187K | 0.04% | 517 |
|
|
2023
Q1 | $18.6M | Buy |
496,800
+49,400
| +11% | +$1.62M | 0.02% | 759 |
|
|
2022
Q4 | $12.5M | Buy |
447,400
+13,600
| +3% | +$395K | 0.02% | 968 |
|
|
2022
Q3 | $12.2M | Buy |
433,800
+26,900
| +7% | +$878K | 0.02% | 925 |
|
|
2022
Q2 | $14.2M | Buy |
406,900
+98,200
| +32% | +$3.5M | 0.02% | 919 |
|
|
2022
Q1 | $11.1M | Buy |
308,700
+18,900
| +7% | +$536K | 0.01% | 1063 |
|
|
2021
Q4 | $6.75M | Buy |
289,800
+14,100
| +5% | +$288K | 0.01% | 1315 |
|
|
2021
Q3 | $5.24M | Buy |
275,700
+28,600
| +12% | +$560K | 0.01% | 1439 |
|
|
2021
Q2 | $4.98M | Buy |
247,100
+21,500
| +10% | +$405K | 0.01% | 1644 |
|
|
2021
Q1 | $4.13M | Sell |
225,600
-87,000
| -28% | -$1.62M | 0.01% | 1768 |
|
|
2020
Q4 | $6.29M | Sell |
312,600
-65,700
| -17% | -$1.28M | 0.01% | 1449 |
|
|
2020
Q3 | $7.09M | Sell |
378,300
-133,000
| -26% | -$2.68M | 0.01% | 1360 |
|
|
2020
Q2 | $11.5M | Sell |
511,300
-227,300
| -31% | -$4.16M | 0.01% | 1138 |
|
|
2020
Q1 | $11M | Sell |
738,600
-94,400
| -11% | -$1.64M | 0.01% | 1107 |
|
|
2019
Q4 | $16.1M | Buy |
833,000
+102,300
| +14% | +$1.96M | 0.01% | 1128 |
|
|
2019
Q3 | $14.5M | Buy |
730,700
+142,700
| +24% | +$2.97M | 0.01% | 1155 |
|
|
2019
Q2 | $12.4M | Buy |
588,000
+146,400
| +33% | +$3.06M | 0.01% | 1262 |
|
|
2019
Q1 | $9.02M | Buy |
441,600
+131,500
| +42% | +$2.95M | 0.01% | 1440 |
|
|
2018
Q4 | $6.17M | Buy |
310,100
+124,000
| +67% | +$2.44M | 0.01% | 1591 |
|
|
2018
Q3 | $3.58M | Buy |
186,100
+95,000
| +104% | +$1.69M | ﹤0.01% | 1995 |
|
|
2018
Q2 | $1.39M | Buy |
91,100
+39,500
| +77% | +$690K | ﹤0.01% | 2455 |
|
|
2018
Q1 | $968K | Buy |
51,600
+39,800
| +337% | +$748K | ﹤0.01% | 2671 |
|
|
2017
Q4 | $227K | Buy |
+11,800
| New | +$220K | ﹤0.01% | 3096 |
|
|
2016
Q4 | – | Sell |
-21,900
| Closed | -$415K | – | 3230 |
|
|
2016
Q3 | $415K | Buy |
+21,900
| New | +$397K | ﹤0.01% | 2859 |
|
|
2015
Q4 | – | Sell |
-131,000
| Closed | -$1.53M | – | 3260 |
|
|
2015
Q3 | $1.53M | Sell |
131,000
-186,006
| -59% | -$2.79M | ﹤0.01% | 2148 |
|
|
2015
Q2 | $5.57M | Buy |
317,006
+193,626
| +157% | +$3.02M | 0.01% | 1370 |
|
|
2015
Q1 | $1.85M | Buy |
+123,380
| New | +$1.65M | ﹤0.01% | 1972 |
|
Other funds holding AMPH
VCM
BTW