New York State Teachers Retirement System (NYSTRS)’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 | $428K | Sell |
21,825
-1,152
| -5% | -$28.2K | ﹤0.01% | 1414 |
|
|
2025
Q4 | $615K | Sell |
22,977
-351
| -2% | -$9.04K | ﹤0.01% | 1420 |
|
|
2025
Q3 | $622K | Sell |
23,328
-404
| -2% | -$10.4K | ﹤0.01% | 1404 |
|
|
2025
Q2 | $545K | Sell |
23,732
-134
| -0.6% | -$3.33K | ﹤0.01% | 1409 |
|
|
2025
Q1 | $692K | Hold |
23,866
| – | – | ﹤0.01% | 1364 |
|
|
2024
Q4 | $886K | Hold |
23,866
| – | – | ﹤0.01% | 1344 |
|
|
2024
Q3 | $1.16M | Sell |
23,866
-4,114
| -15% | -$181K | ﹤0.01% | 1297 |
|
|
2024
Q2 | $1.12M | Sell |
27,980
-2,875
| -9% | -$119K | ﹤0.01% | 1273 |
|
|
2024
Q1 | $1.35M | Buy |
30,855
+3,514
| +13% | +$181K | ﹤0.01% | 1244 |
|
|
2023
Q4 | $1.69M | Sell |
27,341
-200
| -0.7% | -$10.5K | ﹤0.01% | 1163 |
|
|
2023
Q3 | $1.27M | Buy |
27,541
+7
| +0% | +$382 | ﹤0.01% | 1224 |
|
|
2023
Q2 | $1.58M | Buy |
27,534
+1,360
| +5% | +$60.3K | ﹤0.01% | 1163 |
|
|
2023
Q1 | $982K | Sell |
26,174
-2,213
| -8% | -$72.5K | ﹤0.01% | 1276 |
|
|
2022
Q4 | $795K | Hold |
28,387
| – | – | ﹤0.01% | 1318 |
|
|
2022
Q3 | $798K | Buy |
28,387
+226
| +0.8% | +$7.38K | ﹤0.01% | 1303 |
|
|
2022
Q2 | $980K | Buy |
28,161
+6,702
| +31% | +$239K | ﹤0.01% | 1270 |
|
|
2022
Q1 | $770K | Buy |
21,459
+1,032
| +5% | +$29.3K | ﹤0.01% | 1341 |
|
|
2021
Q4 | $476K | Buy |
20,427
+100
| +0.5% | +$2.04K | ﹤0.01% | 1442 |
|
|
2021
Q3 | $386K | Hold |
20,327
| – | – | ﹤0.01% | 1478 |
|
|
2021
Q2 | $410K | Sell |
20,327
-100
| -0.5% | -$1.88K | ﹤0.01% | 1447 |
|
|
2021
Q1 | $374K | Sell |
20,427
-1,300
| -6% | -$24.2K | ﹤0.01% | 1457 |
|
|
2020
Q4 | $437K | Hold |
21,727
| – | – | ﹤0.01% | 1424 |
|
|
2020
Q3 | $407K | Sell |
21,727
-1,700
| -7% | -$34.2K | ﹤0.01% | 1392 |
|
|
2020
Q2 | $526K | Hold |
23,427
| – | – | ﹤0.01% | 1334 |
|
|
2020
Q1 | $348K | Hold |
23,427
| – | – | ﹤0.01% | 1338 |
|
|
2019
Q4 | $452K | Buy |
23,427
+8,831
| +61% | +$169K | ﹤0.01% | 1421 |
|
|
2019
Q3 | $289K | Hold |
14,596
| – | – | ﹤0.01% | 1458 |
|
|
2019
Q2 | $308K | Hold |
14,596
| – | – | ﹤0.01% | 1449 |
|
|
2019
Q1 | $298K | Hold |
14,596
| – | – | ﹤0.01% | 1457 |
|
|
2018
Q4 | $290K | Hold |
14,596
| – | – | ﹤0.01% | 1446 |
|
|
2018
Q3 | $281K | Hold |
14,596
| – | – | ﹤0.01% | 1489 |
|
|
2018
Q2 | $223K | Hold |
14,596
| – | – | ﹤0.01% | 1522 |
|
|
2018
Q1 | $274K | Hold |
14,596
| – | – | ﹤0.01% | 1486 |
|
|
2017
Q4 | $281K | Hold |
14,596
| – | – | ﹤0.01% | 1493 |
|
|
2017
Q3 | $261K | Hold |
14,596
| – | – | ﹤0.01% | 1496 |
|
|
2017
Q2 | $261K | Sell |
14,596
-5,300
| -27% | -$84.1K | ﹤0.01% | 1494 |
|
|
2017
Q1 | $288K | Hold |
19,896
| – | – | ﹤0.01% | 1474 |
|
|
2016
Q4 | $366K | Buy |
19,896
+6,000
| +43% | +$117K | ﹤0.01% | 1444 |
|
|
2016
Q3 | $264K | Buy |
+13,896
| New | +$252K | ﹤0.01% | 1487 |
|
Other funds holding AMPH
VCM
BTW
New York State Teachers Retirement System (NYSTRS)'s AMPH Position: Q1 2026 in Review
New York State Teachers Retirement System (NYSTRS) reduced its Amphastar Pharmaceuticals (AMPH) stake by 5% in Q1 2026, selling an estimated $28.2K and leaving 21,825 shares worth $428K. The position accounts for ﹤0.01% of the portfolio, ranked #1414.
New York State Teachers Retirement System (NYSTRS) first reported a position in AMPH in Q3 2016 and has held it in 39 quarters since. The position peaked at $1.69M in Q4 2023. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.
- New York State Teachers Retirement System (NYSTRS) held 21,825 shares of Amphastar Pharmaceuticals worth $428K as of Q1 2026.
- New York State Teachers Retirement System (NYSTRS) sold 1,152 Amphastar Pharmaceuticals shares in Q1 2026, an estimated $28.2K.
- Amphastar Pharmaceuticals made up ﹤0.01% of New York State Teachers Retirement System (NYSTRS)'s portfolio in Q1 2026, its #1414 holding.
- New York State Teachers Retirement System (NYSTRS) first reported a position in Amphastar Pharmaceuticals in Q3 2016 and has held it in 39 quarters since.
- New York State Teachers Retirement System (NYSTRS)'s Amphastar Pharmaceuticals position peaked at $1.69M in Q4 2023.
- 215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.
Based on New York State Teachers Retirement System (NYSTRS)'s 13F filing for Q1 2026, filed 27 Apr 2026.