Cubist Systematic Strategies’s Amphastar Pharmaceuticals AMPH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2024
Q4
Sell
-16,132
Closed -$783K 2966
2024
Q3
$783K Sell
16,132
-38,975
-71% -$1.71M 0.01% 1973
2024
Q2
$2.2M Sell
55,107
-65
-0.1% -$2.69K 0.04% 1266
2024
Q1
$2.42M Buy
55,172
+8,985
+19% +$464K 0.03% 1490
2023
Q4
$2.86M Sell
46,187
-36,720
-44% -$1.93M 0.04% 1232
2023
Q3
$3.81M Sell
82,907
-38,119
-31% -$2.08M 0.05% 927
2023
Q2
$6.96M Buy
121,026
+61,052
+102% +$2.71M 0.08% 647
2023
Q1
$2.25M Buy
59,974
+46,014
+330% +$1.51M 0.02% 1581
2022
Q4
$391K Sell
13,960
-18,370
-57% -$533K ﹤0.01% 3187
2022
Q3
$908K Sell
32,330
-79,827
-71% -$2.61M 0.01% 2700
2022
Q2
$3.9M Sell
112,157
-28,072
-20% -$1M 0.03% 1223
2022
Q1
$5.03M Buy
140,229
+101,720
+264% +$2.88M 0.04% 726
2021
Q4
$897K Buy
38,509
+23,905
+164% +$489K 0.01% 2000
2021
Q3
$278K Sell
14,604
-5,759
-28% -$113K ﹤0.01% 2403
2021
Q2
$411K Buy
20,363
+5,357
+36% +$101K ﹤0.01% 2132
2021
Q1
$275K Buy
+15,006
New +$279K ﹤0.01% 2308
2020
Q3
Sell
-41,009
Closed -$921K 2474
2020
Q2
$921K Buy
41,009
+26,527
+183% +$486K 0.02% 1233
2020
Q1
$215K Buy
14,482
+4,218
+41% +$73.4K 0.01% 1692
2019
Q4
$198K Sell
10,264
-33,193
-76% -$637K ﹤0.01% 2037
2019
Q3
$862K Buy
43,457
+11,052
+34% +$230K 0.02% 1045
2019
Q2
$684K Buy
+32,405
New +$677K 0.01% 1279
2019
Q1
Sell
-12,105
Closed -$241K 2225
2018
Q4
$241K Buy
+12,105
New +$239K 0.01% 1415
2018
Q3
Sell
-19,324
Closed -$295K 1865
2018
Q2
$295K Buy
+19,324
New +$338K 0.02% 1098
2018
Q1
Sell
-1,123
Closed -$22K 1819
2017
Q4
$22K Buy
+1,123
New +$21K ﹤0.01% 1831
2017
Q3
Sell
-87
Closed -$2K 1831
2017
Q2
$2K Buy
+87
New +$1.38K ﹤0.01% 1636
2015
Q1
Sell
-14,073
Closed -$163K 1875
2014
Q4
$163K Buy
+14,073
New +$153K 0.01% 1579

Other funds holding AMPH