Boston Partners
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Boston Partners’s Amphastar Pharmaceuticals AMPH Stock Holding History

Boston Partners’s Portfolio AMPH Stock Details AMPH Fund Activity
Quarter Market Value Status Shares Shares
Change % 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-423,070
Closed -$11.9M – 712
2025
Q1 		$11.9M Sell
423,070
-3,566
-0.8% -$101K 0.01% 372
2024
Q4 		$15.8M Buy
+426,636
New +$15.8M 0.02% 353