Wellington Management Group
AMPH icon

Wellington Management Group’s Amphastar Pharmaceuticals AMPH Stock Holding History

Wellington Management Group’s Portfolio AMPH Stock Details AMPH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-17,199
Closed -$458K – 1922
2025
Q3 		$458K Buy
17,199
+1,581
+10% +$40.8K ﹤0.01% 1891
2025
Q2 		$359K Sell
15,618
-1,295
-8% -$32.1K ﹤0.01% 1859
2025
Q1 		$490K Sell
16,913
-871
-5% -$27.8K ﹤0.01% 1826
2024
Q4 		$660K Sell
17,784
-1,939
-10% -$88.7K ﹤0.01% 1792
2024
Q3 		$957K Buy
+19,723
New +$866K ﹤0.01% 1719
2022
Q3 		– Sell
-15,900
Closed -$553K – 2023
2022
Q2 		$553K Buy
+15,900
New +$567K ﹤0.01% 1809
2017
Q2 		– Sell
-19,416
Closed -$282K – 2194
2017
Q1 		$282K Sell
19,416
-25,770
-57% -$405K ﹤0.01% 2163
2016
Q4 		$832K Buy
45,186
+15,386
+52% +$299K ﹤0.01% 1906
2016
Q3 		$566K Buy
+29,800
New +$541K ﹤0.01% 1962

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