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Systematic Financial Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

Systematic Financial Management’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 		$8.83M Sell
437,384
-15,514
-3% -$313K 0.18% 148
2026
Q1 		$8.87M Buy
452,898
+17,318
+4% +$424K 0.2% 142
2025
Q4 		$11.7M Buy
435,580
+12,468
+3% +$321K 0.28% 127
2025
Q3 		$11.3M Buy
423,112
+63,805
+18% +$1.65M 0.27% 126
2025
Q2 		$8.25M Buy
359,307
+32,761
+10% +$813K 0.22% 132
2025
Q1 		$9.47M Buy
326,546
+80,198
+33% +$2.56M 0.27% 124
2024
Q4 		$9.15M Buy
+246,348
New +$11.3M 0.23% 131

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

Systematic Financial Management's AMPH Position: Q2 2026 in Review

Systematic Financial Management reduced its Amphastar Pharmaceuticals (AMPH) stake by 3.4% in Q2 2026, selling an estimated $313K and leaving 437,384 shares worth $8.83M. The position accounts for 0.18% of the portfolio, ranked #148.

Systematic Financial Management first reported a position in AMPH in Q4 2024 and has held it in 7 quarters since. The position peaked at $11.7M in Q4 2025. 212 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Systematic Financial Management held 437,384 shares of Amphastar Pharmaceuticals worth $8.83M as of Q2 2026.
  • Systematic Financial Management sold 15,514 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $313K.
  • Amphastar Pharmaceuticals made up 0.18% of Systematic Financial Management's portfolio in Q2 2026, its #148 holding.
  • Systematic Financial Management first reported a position in Amphastar Pharmaceuticals in Q4 2024 and has held it in 7 quarters since.
  • Systematic Financial Management's Amphastar Pharmaceuticals position peaked at $11.7M in Q4 2025.
  • 212 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Systematic Financial Management's 13F filing for Q2 2026, filed 14 Aug 2026.