Trexquant Investment’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 | – | Sell |
-47,867
| Closed | -$938K | – | 1870 |
|
|
2026
Q1 | $938K | Sell |
47,867
-65,806
| -58% | -$1.61M | 0.01% | 1250 |
|
|
2025
Q4 | $3.04M | Buy |
+113,673
| New | +$2.93M | 0.03% | 810 |
|
|
2025
Q3 | – | Sell |
-155,229
| Closed | -$3.56M | – | 1564 |
|
|
2025
Q2 | $3.56M | Buy |
155,229
+63,938
| +70% | +$1.59M | 0.04% | 657 |
|
|
2025
Q1 | $2.65M | Sell |
91,291
-14,237
| -13% | -$455K | 0.03% | 769 |
|
|
2024
Q4 | $3.92M | Buy |
105,528
+16,248
| +18% | +$743K | 0.05% | 613 |
|
|
2024
Q3 | $4.33M | Sell |
89,280
-16,465
| -16% | -$723K | 0.05% | 529 |
|
|
2024
Q2 | $4.23M | Buy |
105,745
+28,020
| +36% | +$1.16M | 0.06% | 466 |
|
|
2024
Q1 | $3.41M | Buy |
77,725
+38,766
| +100% | +$2M | 0.07% | 443 |
|
|
2023
Q4 | $2.41M | Buy |
+38,959
| New | +$2.05M | 0.05% | 492 |
|
|
2023
Q3 | – | Sell |
-10,239
| Closed | -$588K | – | 1433 |
|
|
2023
Q2 | $588K | Sell |
10,239
-46,265
| -82% | -$2.05M | 0.02% | 944 |
|
|
2023
Q1 | $2.12M | Buy |
56,504
+20,319
| +56% | +$666K | 0.06% | 438 |
|
|
2022
Q4 | $1.01M | Buy |
36,185
+9,703
| +37% | +$282K | 0.03% | 636 |
|
|
2022
Q3 | $744K | Sell |
26,482
-4,881
| -16% | -$159K | 0.03% | 640 |
|
|
2022
Q2 | $1.09M | Sell |
31,363
-5,042
| -14% | -$180K | 0.05% | 479 |
|
|
2022
Q1 | $1.31M | Buy |
36,405
+23,363
| +179% | +$663K | 0.06% | 381 |
|
|
2021
Q4 | $304K | Buy |
+13,042
| New | +$267K | 0.02% | 913 |
|
|
2021
Q2 | – | Sell |
-12,503
| Closed | -$229K | – | 1061 |
|
|
2021
Q1 | $229K | Buy |
+12,503
| New | +$232K | 0.02% | 910 |
|
|
2020
Q3 | – | Sell |
-23,980
| Closed | -$539K | – | 1176 |
|
|
2020
Q2 | $539K | Buy |
+23,980
| New | +$439K | 0.04% | 650 |
|
|
2019
Q4 | – | Sell |
-19,853
| Closed | -$394K | – | 1002 |
|
|
2019
Q3 | $394K | Buy |
+19,853
| New | +$414K | 0.03% | 530 |
|
|
2019
Q2 | – | Sell |
-11,754
| Closed | -$240K | – | 779 |
|
|
2019
Q1 | $240K | Buy |
+11,754
| New | +$263K | 0.02% | 819 |
|
|
2017
Q2 | – | Sell |
-10,493
| Closed | -$152K | – | 773 |
|
|
2017
Q1 | $152K | Sell |
10,493
-176
| -2% | -$2.77K | 0.02% | 1003 |
|
|
2016
Q4 | $197K | Buy |
+10,669
| New | +$208K | 0.03% | 830 |
|
|
2016
Q2 | – | Sell |
-34,093
| Closed | -$409K | – | 855 |
|
|
2016
Q1 | $409K | Buy |
34,093
+1,793
| +6% | +$21.1K | 0.05% | 633 |
|
|
2015
Q4 | $460K | Buy |
+32,300
| New | +$427K | 0.04% | 715 |
|
|
2015
Q3 | – | Sell |
-46,614
| Closed | -$819K | – | 1016 |
|
|
2015
Q2 | $819K | Buy |
+46,614
| New | +$726K | 0.09% | 410 |
|
Other funds holding AMPH
Trexquant Investment's AMPH Position: Q2 2026 in Review
Trexquant Investment sold out of Amphastar Pharmaceuticals (AMPH) in Q2 2026, closing a stake of 47,867 shares — an estimated $938K sold.
Trexquant Investment first reported a position in AMPH in Q2 2015 and held it in 25 quarters. The position peaked at $4.33M in Q3 2024. 210 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.
- Trexquant Investment reported no remaining Amphastar Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
- Trexquant Investment sold 47,867 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $938K.
- Trexquant Investment first reported a position in Amphastar Pharmaceuticals in Q2 2015 and held it in 25 quarters.
- Trexquant Investment's Amphastar Pharmaceuticals position peaked at $4.33M in Q3 2024.
- 210 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.
Based on Trexquant Investment's 13F filing for Q2 2026, filed 14 Aug 2026.