First Trust Advisors
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First Trust Advisors’s Amphastar Pharmaceuticals AMPH Stock Holding History

First Trust Advisors’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 		$4.98M Buy
246,951
+96,360
+64% +$1.94M ﹤0.01% 1591
2026
Q1 		$2.95M Buy
150,591
+10,281
+7% +$252K ﹤0.01% 1741
2025
Q4 		$3.76M Sell
140,310
-10,112
-7% -$260K ﹤0.01% 1573
2025
Q3 		$4.01M Buy
150,422
+56,117
+60% +$1.45M ﹤0.01% 1492
2025
Q2 		$2.17M Buy
94,305
+76,453
+428% +$1.9M ﹤0.01% 1781
2025
Q1 		$518K Sell
17,852
-63,277
-78% -$2.02M ﹤0.01% 2225
2024
Q4 		$3.01M Buy
81,129
+63,100
+350% +$2.89M ﹤0.01% 1632
2024
Q3 		$875K Buy
18,029
+8,319
+86% +$365K ﹤0.01% 2040
2024
Q2 		$388K Sell
9,710
-57,376
-86% -$2.38M ﹤0.01% 2169
2024
Q1 		$2.95M Buy
67,086
+20,169
+43% +$1.04M ﹤0.01% 1559
2023
Q4 		$2.9M Sell
46,917
-32,146
-41% -$1.69M ﹤0.01% 1566
2023
Q3 		$3.64M Sell
79,063
-22,874
-22% -$1.25M ﹤0.01% 1401
2023
Q2 		$5.86M Buy
101,937
+61,604
+153% +$2.73M 0.01% 1170
2023
Q1 		$1.51M Sell
40,333
-24,656
-38% -$808K ﹤0.01% 1819
2022
Q4 		$1.82M Buy
+64,989
New +$1.89M ﹤0.01% 1730
2021
Q2 		– Sell
-31,416
Closed -$584K – 2474
2021
Q1 		$584K Sell
31,416
-3,297
-9% -$61.3K ﹤0.01% 2164
2020
Q4 		$698K Buy
+34,713
New +$676K ﹤0.01% 2025
2020
Q2 		– Sell
-42,699
Closed -$634K – 2356
2020
Q1 		$634K Sell
42,699
-57,908
-58% -$1.01M ﹤0.01% 1850
2019
Q4 		$1.94M Sell
100,607
-23,909
-19% -$459K ﹤0.01% 1573
2019
Q3 		$2.47M Buy
124,516
+8,942
+8% +$186K ﹤0.01% 1413
2019
Q2 		$2.44M Buy
+115,574
New +$2.42M ﹤0.01% 1448

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

First Trust Advisors's AMPH Position: Q2 2026 in Review

First Trust Advisors increased its Amphastar Pharmaceuticals (AMPH) stake by 64% in Q2 2026, buying an estimated $1.94M and bringing the position to 246,951 shares worth $4.98M. The position accounts for ﹤0.01% of the portfolio, ranked #1591.

First Trust Advisors first reported a position in AMPH in Q2 2019 and has held it in 21 quarters since. The position peaked at $5.86M in Q2 2023. 212 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • First Trust Advisors held 246,951 shares of Amphastar Pharmaceuticals worth $4.98M as of Q2 2026.
  • First Trust Advisors bought 96,360 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $1.94M.
  • Amphastar Pharmaceuticals made up ﹤0.01% of First Trust Advisors's portfolio in Q2 2026, its #1591 holding.
  • First Trust Advisors first reported a position in Amphastar Pharmaceuticals in Q2 2019 and has held it in 21 quarters since.
  • First Trust Advisors's Amphastar Pharmaceuticals position peaked at $5.86M in Q2 2023.
  • 212 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on First Trust Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.