Two Sigma Investments’s Amphastar Pharmaceuticals AMPH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.71M Buy
138,148
+39,470
+40% +$966K ﹤0.01% 2529
2025
Q4
$2.64M Hold
98,678
﹤0.01% 2236
2025
Q3
$2.63M Buy
98,678
+18,548
+23% +$479K ﹤0.01% 1950
2025
Q2
$1.84M Buy
80,130
+4,802
+6% +$119K ﹤0.01% 1891
2025
Q1
$2.18M Sell
75,328
-22,856
-23% -$730K ﹤0.01% 1679
2024
Q4
$3.65M Sell
98,184
-614
-0.6% -$28.1K 0.01% 1303
2024
Q3
$4.79M Buy
98,798
+2,368
+2% +$104K 0.01% 1112
2024
Q2
$3.86M Sell
96,430
-374
-0.4% -$15.5K 0.01% 1130
2024
Q1
$4.25M Buy
96,804
+55,029
+132% +$2.84M 0.01% 1063
2023
Q4
$2.58M Sell
41,775
-53,709
-56% -$2.82M 0.01% 1346
2023
Q3
$4.39M Buy
95,484
+65,474
+218% +$3.57M 0.01% 969
2023
Q2
$1.72M Buy
+30,010
New +$1.33M ﹤0.01% 1543
2022
Q3
Sell
-21,200
Closed -$738K 2454
2022
Q2
$738K Buy
+21,200
New +$757K ﹤0.01% 1670
2021
Q2
Sell
-88,375
Closed -$1.62M 4001
2021
Q1
$1.62M Buy
+88,375
New +$1.64M ﹤0.01% 1873
2020
Q4
Sell
-189,010
Closed -$3.54M 3303
2020
Q3
$3.54M Buy
189,010
+135,600
+254% +$2.73M 0.01% 967
2020
Q2
$1.2M Buy
+53,410
New +$978K 0.01% 1416
2019
Q3
Sell
-31,917
Closed -$674K 3419
2019
Q2
$674K Buy
+31,917
New +$667K ﹤0.01% 2268
2019
Q1
Sell
-26,000
Closed -$517K 2994
2018
Q4
$517K Buy
+26,000
New +$513K ﹤0.01% 2079
2018
Q2
Sell
-44,676
Closed -$838K 3275
2018
Q1
$838K Buy
+44,676
New +$840K ﹤0.01% 2126
2017
Q1
Sell
-78,456
Closed -$1.45M 2859
2016
Q4
$1.45M Sell
78,456
-50,630
-39% -$985K 0.01% 1737
2016
Q3
$2.45M Sell
129,086
-5,659
-4% -$103K 0.01% 1317
2016
Q2
$2.17M Buy
134,745
+18,612
+16% +$263K 0.01% 1225
2016
Q1
$1.39M Buy
116,133
+40,383
+53% +$476K 0.01% 1404
2015
Q4
$1.08M Buy
75,750
+34,845
+85% +$460K 0.01% 1451
2015
Q3
$478K Sell
40,905
-176,736
-81% -$2.65M ﹤0.01% 1566
2015
Q2
$3.83M Buy
217,641
+130,584
+150% +$2.04M 0.02% 848
2015
Q1
$1.3M Buy
87,057
+47,398
+120% +$634K 0.01% 1420
2014
Q4
$460K Buy
+39,659
New +$432K ﹤0.01% 1760

Other funds holding AMPH