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Commonwealth of Pennsylvania Public School Employees Retirement System’s Amphastar Pharmaceuticals AMPH Stock Holding History

Commonwealth of Pennsylvania Public School Employees Retirement System’s Portfolio AMPH Stock Details AMPH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-8,760
Closed -$235K – 1759
2025
Q4 		$235K Sell
8,760
-358
-4% -$9.22K ﹤0.01% 1597
2025
Q3 		$243K Sell
9,118
-322
-3% -$8.31K ﹤0.01% 1577
2025
Q2 		$217K Buy
9,440
+465
+5% +$11.5K ﹤0.01% 1562
2025
Q1 		$260K Buy
8,975
+969
+12% +$30.9K ﹤0.01% 1503
2024
Q4 		$297K Sell
8,006
-109
-1% -$4.98K ﹤0.01% 1441
2024
Q3 		$394K Sell
8,115
-104
-1% -$4.56K ﹤0.01% 1340
2024
Q2 		$329K Buy
8,219
+149
+2% +$6.17K ﹤0.01% 1349
2024
Q1 		$354K Buy
8,070
+6
+0.1% +$310 ﹤0.01% 1311
2023
Q4 		$499K Sell
8,064
-17,413
-68% -$915K ﹤0.01% 1188
2023
Q3 		$1.17M Sell
25,477
-17,086
-40% -$932K 0.01% 966
2023
Q2 		$2.45M Buy
42,563
+2,647
+7% +$117K 0.02% 814
2023
Q1 		$1.5M Sell
39,916
-430
-1% -$14.1K 0.01% 1113
2022
Q4 		$1.13M Buy
40,346
+5,512
+16% +$160K 0.01% 1263
2022
Q3 		$979K Buy
34,834
+559
+2% +$18.3K 0.01% 1214
2022
Q2 		$1.19M Buy
34,275
+2,512
+8% +$89.6K 0.01% 1130
2022
Q1 		$1.14M Buy
31,763
+3,916
+14% +$111K 0.01% 1247
2021
Q4 		$649K Sell
27,847
-195
-0.7% -$3.99K 0.01% 1468
2021
Q3 		$533K Sell
28,042
-106
-0.4% -$2.08K 0.01% 1516
2021
Q2 		$567K Sell
28,148
-61
-0.2% -$1.15K 0.01% 1507
2021
Q1 		$517K Sell
28,209
-126
-0.4% -$2.34K 0.01% 1535
2020
Q4 		$570K Sell
28,335
-38
-0.1% -$739 0.01% 1428
2020
Q3 		$532K Buy
28,373
+11,397
+67% +$229K 0.01% 1314
2020
Q2 		$381K Sell
16,976
-264
-2% -$4.83K 0.01% 1273
2020
Q1 		$256K Buy
17,240
+5,624
+48% +$97.9K 0.01% 1331
2019
Q4 		$224K Sell
11,616
-77
-0.7% -$1.48K ﹤0.01% 1468
2019
Q3 		$232K Sell
11,693
-396
-3% -$8.25K ﹤0.01% 1421
2019
Q2 		$255K Buy
12,089
+223
+2% +$4.66K ﹤0.01% 1390
2019
Q1 		$242K Buy
11,866
+11
+0.1% +$246 ﹤0.01% 1435
2018
Q4 		$236K Buy
+11,855
New +$234K ﹤0.01% 1412

Other funds holding AMPH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
TD Asset Management
TD Asset Management Toronto, Ontario, Canada $115B AUM 41.58% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

Commonwealth of Pennsylvania Public School Employees Retirement System's AMPH Position: Q1 2026 in Review

Commonwealth of Pennsylvania Public School Employees Retirement System sold out of Amphastar Pharmaceuticals (AMPH) in Q1 2026, closing a stake of 8,760 shares — an estimated $235K sold.

Commonwealth of Pennsylvania Public School Employees Retirement System first reported a position in AMPH in Q4 2018 and held it in 29 quarters. The position peaked at $2.45M in Q2 2023. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.

  • Commonwealth of Pennsylvania Public School Employees Retirement System reported no remaining Amphastar Pharmaceuticals position as of Q1 2026 after selling out during the quarter.
  • Commonwealth of Pennsylvania Public School Employees Retirement System sold 8,760 Amphastar Pharmaceuticals shares in Q1 2026, an estimated $235K.
  • Commonwealth of Pennsylvania Public School Employees Retirement System first reported a position in Amphastar Pharmaceuticals in Q4 2018 and held it in 29 quarters.
  • Commonwealth of Pennsylvania Public School Employees Retirement System's Amphastar Pharmaceuticals position peaked at $2.45M in Q2 2023.
  • 215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.

Based on Commonwealth of Pennsylvania Public School Employees Retirement System's 13F filing for Q1 2026, filed 1 May 2026.