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Arizona State Retirement System’s Amphastar Pharmaceuticals AMPH Stock Holding History

Arizona State 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 		$198K Sell
10,098
-330
-3% -$8.07K ﹤0.01% 1908
2025
Q4 		$279K Sell
10,428
-717
-6% -$18.5K ﹤0.01% 1782
2025
Q3 		$297K Buy
11,145
+55
+0.5% +$1.42K ﹤0.01% 1782
2025
Q2 		$255K Buy
11,090
+78
+0.7% +$1.94K ﹤0.01% 1802
2025
Q1 		$319K Sell
11,012
-292
-3% -$9.33K ﹤0.01% 1643
2024
Q4 		$420K Buy
11,304
+39
+0.3% +$1.78K ﹤0.01% 1586
2024
Q3 		$547K Buy
11,265
+322
+3% +$14.1K ﹤0.01% 1433
2024
Q2 		$438K Buy
10,943
+410
+4% +$17K ﹤0.01% 1507
2024
Q1 		$463K Sell
10,533
-393
-4% -$20.3K ﹤0.01% 1495
2023
Q4 		$676K Sell
10,926
-70
-0.6% -$3.68K 0.01% 1281
2023
Q3 		$506K Buy
10,996
+167
+2% +$9.11K ﹤0.01% 1376
2023
Q2 		$622K Sell
10,829
-374
-3% -$16.6K 0.01% 1293
2023
Q1 		$420K Buy
11,203
+139
+1% +$4.56K ﹤0.01% 1507
2022
Q4 		$310K Buy
11,064
+448
+4% +$13K ﹤0.01% 1654
2022
Q3 		$298K Buy
10,616
+242
+2% +$7.9K ﹤0.01% 1643
2022
Q2 		$361K Buy
10,374
+27
+0.3% +$963 ﹤0.01% 1559
2022
Q1 		$371K Buy
10,347
+5
+0% +$142 ﹤0.01% 1664
2021
Q4 		$241K Sell
10,342
-38
-0.4% -$777 ﹤0.01% 1970
2021
Q3 		$197K Buy
10,380
+50
+0.5% +$979 ﹤0.01% 2082
2021
Q2 		$208K Sell
10,330
-733
-7% -$13.8K ﹤0.01% 2101
2021
Q1 		$203K Buy
11,063
+47
+0.4% +$874 ﹤0.01% 2037
2020
Q4 		$222K Sell
11,016
-136
-1% -$2.65K ﹤0.01% 1896
2020
Q3 		$209K Buy
+11,152
New +$225K ﹤0.01% 1752
2020
Q1 		– Sell
-22,849
Closed -$441K – 1837
2019
Q4 		$441K Sell
22,849
-17,641
-44% -$338K 0.01% 1366
2019
Q3 		$803K Sell
40,490
-14,266
-26% -$297K 0.01% 1330
2019
Q2 		$1.16M Buy
54,756
+1,422
+3% +$29.7K 0.01% 1268
2019
Q1 		$1.09M Buy
53,334
+91
+0.2% +$2.04K 0.01% 1294
2018
Q4 		$1.06M Buy
53,243
+2,918
+6% +$57.5K 0.01% 1262
2018
Q3 		$968K Sell
50,325
-1,897
-4% -$33.8K 0.01% 1380
2018
Q2 		$797K Sell
52,222
-3,677
-7% -$64.3K 0.01% 1434
2018
Q1 		$1.05M Sell
55,899
-3,600
-6% -$67.7K 0.01% 1354
2017
Q4 		$1.15M Buy
59,499
+40,999
+222% +$766K 0.01% 1340
2017
Q3 		$331K Sell
18,500
-100
-0.5% -$1.65K ﹤0.01% 1388
2017
Q2 		$332K Sell
18,600
-100
-0.5% -$1.59K ﹤0.01% 1364
2017
Q1 		$271K Buy
18,700
+200
+1% +$3.15K ﹤0.01% 1398
2016
Q4 		$341K Buy
18,500
+100
+0.5% +$1.95K 0.01% 1345
2016
Q3 		$349K Buy
+18,400
New +$334K 0.01% 1307

Other funds holding AMPH

BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
TD Asset Management
TD Asset Management Toronto, Ontario, Canada $123B AUM 34.51% 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 $12.2B AUM 12.45% 1-Year Est. Return

Arizona State Retirement System's AMPH Position: Q1 2026 in Review

Arizona State Retirement System reduced its Amphastar Pharmaceuticals (AMPH) stake by 3.2% in Q1 2026, selling an estimated $8.07K and leaving 10,098 shares worth $198K. The position accounts for ﹤0.01% of the portfolio, ranked #1908.

Arizona State Retirement System first reported a position in AMPH in Q3 2016 and has held it in 37 quarters since. The position peaked at $1.16M in Q2 2019. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.

  • Arizona State Retirement System held 10,098 shares of Amphastar Pharmaceuticals worth $198K as of Q1 2026.
  • Arizona State Retirement System sold 330 Amphastar Pharmaceuticals shares in Q1 2026, an estimated $8.07K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Arizona State Retirement System's portfolio in Q1 2026, its #1908 holding.
  • Arizona State Retirement System first reported a position in Amphastar Pharmaceuticals in Q3 2016 and has held it in 37 quarters since.
  • Arizona State Retirement System's Amphastar Pharmaceuticals position peaked at $1.16M in Q2 2019.
  • 215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.

Based on Arizona State Retirement System's 13F filing for Q1 2026, filed 1 May 2026.