Wellington Management Group
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Wellington Management Group’s Amphastar Pharmaceuticals AMPH Stock Holding History

Wellington Management Group’s Portfolio AMPH Stock Details AMPH Fund Activity
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Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		$458K Buy
2025
Q2 		$359K Sell
2025
Q1 		$490K Sell
2024
Q4 		$660K Sell
2024
Q3 		$957K Buy
2022
Q3 		– Sell
2022
Q2 		$553K Buy
2017
Q2 		– Sell
2017
Q1 		$282K Sell
2016
Q4 		$832K Buy
2016
Q3 		$566K Buy