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State of Wyoming’s Amphastar Pharmaceuticals AMPH Stock Holding History

State of Wyoming’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
Q2 		$142K Buy
+7,022
New +$142K 0.01% 1228
2026
Q1 		– Sell
-7,561
Closed -$202K – 1797
2025
Q4 		$202K Buy
7,561
+4,260
+129% +$110K 0.02% 963
2025
Q3 		$88K Buy
3,301
+578
+21% +$14.9K 0.01% 1339
2025
Q2 		$62.5K Sell
2,723
-2,137
-44% -$53K 0.01% 1459
2025
Q1 		$141K Buy
+4,860
New +$155K 0.02% 1003
2024
Q2 		– Sell
-1,487
Closed -$65.3K – 1654
2024
Q1 		$65.3K Buy
1,487
+669
+82% +$34.6K 0.01% 1214
2023
Q4 		$50.6K Sell
818
-524
-39% -$27.5K 0.01% 1295
2023
Q3 		$61.7K Sell
1,342
-3,401
-72% -$186K 0.01% 1166
2023
Q2 		$273K Buy
4,743
+3,748
+377% +$166K 0.08% 226
2023
Q1 		$37.3K Sell
995
-2,840
-74% -$93.1K 0.01% 1185
2022
Q4 		$107K Buy
3,835
+1,668
+77% +$48.4K 0.04% 698
2022
Q3 		$61K Buy
2,167
+114
+6% +$3.72K 0.03% 903
2022
Q2 		$71K Sell
2,053
-1,119
-35% -$39.9K 0.04% 716
2022
Q1 		$114K Buy
3,172
+588
+23% +$16.7K 0.06% 501
2021
Q4 		$60K Buy
+2,584
New +$52.8K 0.03% 996

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 $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State of Wyoming's AMPH Position: Q2 2026 in Review

State of Wyoming opened a new position in Amphastar Pharmaceuticals (AMPH) in Q2 2026: 7,022 shares worth $142K. The stake represents 0.01% of the portfolio and ranks #1228 among its holdings. This is a return to the name: State of Wyoming previously reported a position in AMPH as recently as Q4 2025.

State of Wyoming first reported a position in AMPH in Q4 2021 and has held it in 15 quarters since. The position peaked at $273K in Q2 2023. 210 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • State of Wyoming held 7,022 shares of Amphastar Pharmaceuticals worth $142K as of Q2 2026.
  • Amphastar Pharmaceuticals was a new State of Wyoming position in Q2 2026.
  • Amphastar Pharmaceuticals made up 0.01% of State of Wyoming's portfolio in Q2 2026, its #1228 holding.
  • State of Wyoming first reported a position in Amphastar Pharmaceuticals in Q4 2021 and has held it in 15 quarters since.
  • State of Wyoming's Amphastar Pharmaceuticals position peaked at $273K in Q2 2023.
  • 210 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on State of Wyoming's 13F filing for Q2 2026, filed 6 Aug 2026.