Oberweis Asset Management’s Amphastar Pharmaceuticals AMPH Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q1 | – | Sell |
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|
2024
Q4 | $6.85M | Buy |
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|
2024
Q3 | $7.82M | Buy |
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|
2024
Q2 | $5.4M | Sell |
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|
2024
Q1 | $18.3M | Buy |
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|
2023
Q4 | $21M | Buy |
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|
2023
Q3 | $7.01M | Buy |
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|
2023
Q2 | $8.49M | Sell |
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|
2023
Q1 | $6.68M | Buy |
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|
2022
Q4 | $3.75M | Buy |
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|
2022
Q3 | $2.85M | Buy |
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|
2022
Q2 | $623K | Buy |
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|
2022
Q1 | $485K | Hold |
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|
2021
Q4 | $314K | Buy |
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|
2021
Q3 | $202K | Hold |
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|
2021
Q2 | $214K | Buy |
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|
2017
Q1 | – | Sell |
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|
2016
Q4 | $501K | Hold |
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|
2016
Q3 | $516K | Hold |
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|
2016
Q2 | $438K | Buy |
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