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TwinBeech Capital’s Amphastar Pharmaceuticals AMPH Stock Holding History

TwinBeech Capital’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
Q3 		– Sell
-88,530
Closed -$2.03M – 557
2025
Q2 		$2.03M Buy
88,530
+44,544
+101% +$1.11M 0.05% 323
2025
Q1 		$1.28M Sell
43,986
-2,811
-6% -$89.8K 0.02% 451
2024
Q4 		$1.74M Buy
+46,797
New +$2.14M 0.03% 341
2024
Q3 		– Sell
-45,224
Closed -$1.81M – 663
2024
Q2 		$1.81M Sell
45,224
-71,845
-61% -$2.98M 0.04% 342
2024
Q1 		$5.14M Buy
+117,069
New +$6.05M 0.11% 208
2023
Q4 		– Sell
-13,992
Closed -$643K – 632
2023
Q3 		$643K Buy
+13,992
New +$763K 0.01% 527
2023
Q1 		– Sell
-43,937
Closed -$1.23M – 593
2022
Q4 		$1.23M Buy
+43,937
New +$1.28M 0.02% 498

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State Street
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Fuller & Thaler Asset Management
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BTW
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EIP
Epoch Investment Partners New York $16.5B AUM 24.3% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $93.4B AUM 35.1% 1-Year Est. Return