Advisory Research’s Amphastar Pharmaceuticals AMPH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$342K Buy
14,898
+1,009
+7% +$23.2K 0.05% 130
2025
Q1
$403K Buy
13,889
+36
+0.3% +$1.04K 0.07% 138
2024
Q4
$514K Buy
13,853
+43
+0.3% +$1.6K 0.09% 134
2024
Q3
$670K Sell
13,810
-460
-3% -$22.3K 0.12% 125
2024
Q2
$571K Buy
14,270
+941
+7% +$37.6K 0.11% 132
2024
Q1
$585K Sell
13,329
-845
-6% -$37.1K 0.12% 125
2023
Q4
$877K Sell
14,174
-716
-5% -$44.3K 0.14% 175
2023
Q3
$685K Sell
14,890
-517
-3% -$23.8K 0.1% 235
2023
Q2
$885K Buy
15,407
+628
+4% +$36.1K 0.11% 218
2023
Q1
$554K Buy
+14,779
New +$554K 0.09% 233
2022
Q4
Sell
-15,148
Closed -$426K 367
2022
Q3
$426K Buy
+15,148
New +$426K 0.04% 252