Swiss National Bank
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Swiss National Bank’s Amphastar Pharmaceuticals AMPH Stock Holding History

Swiss National Bank’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 		$1.42M Hold
72,600
– – ﹤0.01% 2012
2025
Q4 		$1.94M Hold
72,600
– – ﹤0.01% 1888
2025
Q3 		$1.93M Hold
72,600
– – ﹤0.01% 1867
2025
Q2 		$1.67M Sell
72,600
-1,900
-3% -$47.1K ﹤0.01% 1899
2025
Q1 		$2.16M Sell
74,500
-1,900
-2% -$60.7K ﹤0.01% 1713
2024
Q4 		$2.84M Hold
76,400
– – ﹤0.01% 1659
2024
Q3 		$3.71M Sell
76,400
-600
-0.8% -$26.3K ﹤0.01% 1497
2024
Q2 		$3.08M Buy
77,000
+1,400
+2% +$58K ﹤0.01% 1576
2024
Q1 		$3.32M Sell
75,600
-1,500
-2% -$77.5K ﹤0.01% 1559
2023
Q4 		$4.77M Sell
77,100
-7,800
-9% -$410K ﹤0.01% 1321
2023
Q3 		$3.9M Buy
84,900
+900
+1% +$49.1K ﹤0.01% 1434
2023
Q2 		$4.83M Buy
84,000
+600
+0.7% +$26.6K ﹤0.01% 1335
2023
Q1 		$3.13M Sell
83,400
-11,200
-12% -$367K ﹤0.01% 1559
2022
Q4 		$2.65M Buy
94,600
+2,000
+2% +$58.1K ﹤0.01% 1712
2022
Q3 		$2.6M Buy
92,600
+2,100
+2% +$68.6K ﹤0.01% 1699
2022
Q2 		$3.15M Hold
90,500
– – ﹤0.01% 1610
2022
Q1 		$3.25M Buy
90,500
+6,700
+8% +$190K ﹤0.01% 1734
2021
Q4 		$1.95M Hold
83,800
– – ﹤0.01% 2075
2021
Q3 		$1.59M Hold
83,800
– – ﹤0.01% 2193
2021
Q2 		$1.69M Sell
83,800
-2,100
-2% -$39.6K ﹤0.01% 2219
2021
Q1 		$1.57M Hold
85,900
– – ﹤0.01% 2146
2020
Q4 		$1.73M Buy
85,900
+2,000
+2% +$38.9K ﹤0.01% 1990
2020
Q3 		$1.57M Hold
83,900
– – ﹤0.01% 1829
2020
Q2 		$1.88M Buy
83,900
+16,100
+24% +$295K ﹤0.01% 1751
2020
Q1 		$1.01M Hold
67,800
– – ﹤0.01% 1820
2019
Q4 		$1.31M Buy
67,800
+1,600
+2% +$30.7K ﹤0.01% 1984
2019
Q3 		$1.31M Buy
66,200
+1,800
+3% +$37.5K ﹤0.01% 1911
2019
Q2 		$1.36M Buy
64,400
+1,400
+2% +$29.3K ﹤0.01% 1940
2019
Q1 		$1.29M Buy
63,000
+1,300
+2% +$29.1K ﹤0.01% 1931
2018
Q4 		$1.23M Hold
61,700
– – ﹤0.01% 1881
2018
Q3 		$1.19M Hold
61,700
– – ﹤0.01% 2046
2018
Q2 		$942K Sell
61,700
-4,700
-7% -$82.1K ﹤0.01% 2199
2018
Q1 		$1.25M Hold
66,400
– – ﹤0.01% 1946
2017
Q4 		$1.28M Buy
66,400
+7,000
+12% +$131K ﹤0.01% 1937
2017
Q3 		$1.06M Hold
59,400
– – ﹤0.01% 2027
2017
Q2 		$1.06M Hold
59,400
– – ﹤0.01% 2021
2017
Q1 		$861K Buy
59,400
+3,000
+5% +$47.2K ﹤0.01% 2122
2016
Q4 		$1.04M Hold
56,400
– – ﹤0.01% 2010
2016
Q3 		$1.07M Sell
56,400
-2,400
-4% -$43.6K ﹤0.01% 1917
2016
Q2 		$948K Buy
58,800
+4,400
+8% +$62.1K ﹤0.01% 1995
2016
Q1 		$630K Buy
54,400
+10,300
+23% +$121K ﹤0.01% 2179
2015
Q4 		$628K Hold
44,100
– – ﹤0.01% 2130
2015
Q3 		$516K Buy
44,100
+5,700
+15% +$85.5K ﹤0.01% 2167
2015
Q2 		$675K Buy
+38,400
New +$598K ﹤0.01% 2052

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

Swiss National Bank's AMPH Position: Q1 2026 in Review

Swiss National Bank held its Amphastar Pharmaceuticals (AMPH) position steady in Q1 2026 at 72,600 shares worth $1.42M. The position accounts for ﹤0.01% of the portfolio, ranked #2012.

Swiss National Bank first reported a position in AMPH in Q2 2015 and has held it in 44 quarters since. The position peaked at $4.83M in Q2 2023. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.

  • Swiss National Bank held 72,600 shares of Amphastar Pharmaceuticals worth $1.42M as of Q1 2026.
  • Swiss National Bank left its Amphastar Pharmaceuticals share count unchanged in Q1 2026.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Swiss National Bank's portfolio in Q1 2026, its #2012 holding.
  • Swiss National Bank first reported a position in Amphastar Pharmaceuticals in Q2 2015 and has held it in 44 quarters since.
  • Swiss National Bank's Amphastar Pharmaceuticals position peaked at $4.83M in Q2 2023.
  • 215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.

Based on Swiss National Bank's 13F filing for Q1 2026, filed 7 May 2026.