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AMPH icon

SignatureFD’s Amphastar Pharmaceuticals AMPH Stock Holding History

SignatureFD’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 		$5.59K Sell
277
-311
-53% -$6.27K ﹤0.01% 2823
2026
Q1 		$11.5K Buy
588
+46
+8% +$1.13K ﹤0.01% 2450
2025
Q4 		$14.5K Buy
542
+20
+4% +$515 ﹤0.01% 2255
2025
Q3 		$13.9K Sell
522
-750
-59% -$19.4K ﹤0.01% 2275
2025
Q2 		$29.2K Buy
1,272
+400
+46% +$9.93K ﹤0.01% 1880
2025
Q1 		$25.3K Buy
872
+520
+148% +$16.6K ﹤0.01% 1939
2024
Q4 		$13.1K Hold
352
– – ﹤0.01% 2266
2024
Q3 		$17.1K Hold
352
– – ﹤0.01% 2115
2024
Q2 		$14.1K Sell
352
-15
-4% -$622 ﹤0.01% 2128
2024
Q1 		$16.1K Sell
367
-8
-2% -$413 ﹤0.01% 2099
2023
Q4 		$23.2K Sell
375
-86
-19% -$4.52K ﹤0.01% 1857
2023
Q3 		$21.2K Sell
461
-2
-0.4% -$109 ﹤0.01% 1825
2023
Q2 		$26.6K Buy
463
+10
+2% +$443 ﹤0.01% 1744
2023
Q1 		$17K Sell
453
-26
-5% -$852 ﹤0.01% 1952
2022
Q4 		$13.4K Sell
479
-233
-33% -$6.77K ﹤0.01% 1999
2022
Q3 		$20K Sell
712
-50
-7% -$1.63K ﹤0.01% 1720
2022
Q2 		$27K Buy
762
+43
+6% +$1.53K ﹤0.01% 1617
2022
Q1 		$26K Buy
719
+262
+57% +$7.43K ﹤0.01% 1705
2021
Q4 		$11K Buy
457
+124
+37% +$2.54K ﹤0.01% 2062
2021
Q3 		$6K Buy
333
+99
+42% +$1.94K ﹤0.01% 2271
2021
Q2 		$5K Sell
234
-203
-46% -$3.83K ﹤0.01% 2254
2021
Q1 		$8K Sell
437
-17
-4% -$316 ﹤0.01% 1928
2020
Q4 		$9K Buy
454
+51
+13% +$992 ﹤0.01% 1725
2020
Q3 		$8K Buy
403
+208
+107% +$4.19K ﹤0.01% 1701
2020
Q2 		$4K Buy
195
+119
+157% +$2.18K ﹤0.01% 1862
2020
Q1 		$1K Buy
+76
New +$1.32K ﹤0.01% 2062

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

SignatureFD's AMPH Position: Q2 2026 in Review

SignatureFD reduced its Amphastar Pharmaceuticals (AMPH) stake by 53% in Q2 2026, selling an estimated $6.27K and leaving 277 shares worth $5.59K. The position accounts for ﹤0.01% of the portfolio, ranked #2823.

SignatureFD first reported a position in AMPH in Q1 2020 and has held it in 26 quarters since. The position peaked at $29.2K in Q2 2025. 211 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • SignatureFD held 277 shares of Amphastar Pharmaceuticals worth $5.59K as of Q2 2026.
  • SignatureFD sold 311 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $6.27K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of SignatureFD's portfolio in Q2 2026, its #2823 holding.
  • SignatureFD first reported a position in Amphastar Pharmaceuticals in Q1 2020 and has held it in 26 quarters since.
  • SignatureFD's Amphastar Pharmaceuticals position peaked at $29.2K in Q2 2025.
  • 211 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on SignatureFD's 13F filing for Q2 2026, filed 24 Jul 2026.