BlackRock’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
Q2 | $105M | Sell |
5,224,934
-196,409
| -4% | -$3.96M | ﹤0.01% | 2203 |
|
|
2026
Q1 | $106M | Sell |
5,421,343
-40,672
| -0.7% | -$995K | ﹤0.01% | 2072 |
|
|
2025
Q4 | $146M | Sell |
5,462,015
-23,042
| -0.4% | -$593K | ﹤0.01% | 1874 |
|
|
2025
Q3 | $146M | Sell |
5,485,057
-183,736
| -3% | -$4.74M | ﹤0.01% | 1854 |
|
|
2025
Q2 | $130M | Sell |
5,668,793
-478,865
| -8% | -$11.9M | ﹤0.01% | 1879 |
|
|
2025
Q1 | $178M | Buy |
6,147,658
+29,836
| +0.5% | +$953K | ﹤0.01% | 1668 |
|
|
2024
Q4 | $227M | Buy |
6,117,822
+85,100
| +1% | +$3.89M | ﹤0.01% | 1599 |
|
|
2024
Q3 | $293M | Buy |
6,032,722
+90,198
| +2% | +$3.96M | 0.01% | 1440 |
|
|
2024
Q2 | $238M | Sell |
5,942,524
-136,518
| -2% | -$5.66M | 0.01% | 1508 |
|
|
2024
Q1 | $267M | Buy |
6,079,042
+41,884
| +0.7% | +$2.16M | 0.01% | 1453 |
|
|
2023
Q4 | $373M | Sell |
6,037,158
-53,101
| -0.9% | -$2.79M | 0.01% | 1229 |
|
|
2023
Q3 | $280M | Buy |
6,090,259
+2,032
| +0% | +$111K | 0.01% | 1318 |
|
|
2023
Q2 | $350M | Sell |
6,088,227
-478,849
| -7% | -$21.2M | 0.01% | 1175 |
|
|
2023
Q1 | $246M | Sell |
6,567,076
-471,693
| -7% | -$15.5M | 0.01% | 1398 |
|
|
2022
Q4 | $197M | Sell |
7,038,769
-109,044
| -2% | -$3.17M | 0.01% | 1535 |
|
|
2022
Q3 | $201M | Buy |
7,147,813
+75,616
| +1% | +$2.47M | 0.01% | 1468 |
|
|
2022
Q2 | $246M | Sell |
7,072,197
-31,327
| -0.4% | -$1.12M | 0.01% | 1371 |
|
|
2022
Q1 | $255M | Sell |
7,103,524
-57,141
| -0.8% | -$1.62M | 0.01% | 1488 |
|
|
2021
Q4 | $167M | Sell |
7,160,665
-16,916
| -0.2% | -$346K | ﹤0.01% | 1876 |
|
|
2021
Q3 | $136M | Sell |
7,177,581
-92,038
| -1% | -$1.8M | ﹤0.01% | 2002 |
|
|
2021
Q2 | $147M | Sell |
7,269,619
-107,559
| -1% | -$2.03M | ﹤0.01% | 2001 |
|
|
2021
Q1 | $135M | Buy |
7,377,178
+233,012
| +3% | +$4.33M | ﹤0.01% | 2000 |
|
|
2020
Q4 | $144M | Buy |
7,144,166
+240,777
| +3% | +$4.69M | ﹤0.01% | 1841 |
|
|
2020
Q3 | $129M | Buy |
6,903,389
+291,461
| +4% | +$5.87M | ﹤0.01% | 1715 |
|
|
2020
Q2 | $149M | Buy |
6,611,928
+404,763
| +7% | +$7.41M | 0.01% | 1575 |
|
|
2020
Q1 | $92.1M | Buy |
6,207,165
+75,111
| +1% | +$1.31M | ﹤0.01% | 1700 |
|
|
2019
Q4 | $118M | Buy |
6,132,054
+136,230
| +2% | +$2.61M | ﹤0.01% | 1866 |
|
|
2019
Q3 | $119M | Buy |
5,995,824
+68,683
| +1% | +$1.43M | 0.01% | 1788 |
|
|
2019
Q2 | $125M | Buy |
5,927,141
+87,107
| +1% | +$1.82M | 0.01% | 1761 |
|
|
2019
Q1 | $119M | Sell |
5,840,034
-86,844
| -1% | -$1.95M | 0.01% | 1763 |
|
|
2018
Q4 | $118M | Sell |
5,926,878
-60,927
| -1% | -$1.2M | 0.01% | 1681 |
|
|
2018
Q3 | $115M | Buy |
5,987,805
+267,622
| +5% | +$4.77M | 0.01% | 1882 |
|
|
2018
Q2 | $87.3M | Buy |
5,720,183
+318,360
| +6% | +$5.56M | ﹤0.01% | 2035 |
|
|
2018
Q1 | $101M | Sell |
5,401,823
-112,942
| -2% | -$2.12M | ﹤0.01% | 1842 |
|
|
2017
Q4 | $106M | Buy |
5,514,765
+2,310
| +0% | +$43.1K | 0.01% | 1844 |
|
|
2017
Q3 | $98.5M | Buy |
5,512,455
+117,483
| +2% | +$1.93M | 0.01% | 1867 |
|
|
2017
Q2 | $96.4M | Sell |
5,394,972
-124,066
| -2% | -$1.97M | 0.01% | 1823 |
|
|
2017
Q1 | $80M | Buy |
5,519,038
+5,516,579
| +224,342% | +$86.7M | ﹤0.01% | 1918 |
|
|
2016
Q4 | $46K | Sell |
2,459
-146
| -6% | -$2.84K | ﹤0.01% | 2970 |
|
|
2016
Q3 | $49K | Buy |
2,605
+329
| +14% | +$5.97K | ﹤0.01% | 2962 |
|
|
2016
Q2 | $37K | Sell |
2,276
-1,382
| -38% | -$19.5K | ﹤0.01% | 3059 |
|
|
2016
Q1 | $44K | Buy |
3,658
+2,921
| +396% | +$34.4K | ﹤0.01% | 2431 |
|
|
2015
Q4 | $10K | Hold |
737
| – | – | ﹤0.01% | 2881 |
|
|
2015
Q3 | $9K | Hold |
737
| – | – | ﹤0.01% | 2757 |
|
|
2015
Q2 | $13K | Buy |
+737
| New | +$11.5K | ﹤0.01% | 2616 |
|
Other funds holding AMPH
BlackRock's AMPH Position: Q2 2026 in Review
BlackRock reduced its Amphastar Pharmaceuticals (AMPH) stake by 3.6% in Q2 2026, selling an estimated $3.96M and leaving 5,224,934 shares worth $105M. The position accounts for ﹤0.01% of the portfolio, ranked #2203.
BlackRock first reported a position in AMPH in Q2 2015 and has held it in 45 quarters since. The position peaked at $373M in Q4 2023. 210 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.
- BlackRock held 5,224,934 shares of Amphastar Pharmaceuticals worth $105M as of Q2 2026.
- BlackRock sold 196,409 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $3.96M.
- Amphastar Pharmaceuticals made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #2203 holding.
- BlackRock first reported a position in Amphastar Pharmaceuticals in Q2 2015 and has held it in 45 quarters since.
- BlackRock's Amphastar Pharmaceuticals position peaked at $373M in Q4 2023.
- 210 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.
Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.