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Corient IA’s Amphastar Pharmaceuticals AMPH Stock Holding History

Corient IA’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 		$135K Hold
6,670
– – 0.12% 204
2026
Q1 		$131K Sell
6,670
-830
-11% -$20.3K 0.12% 245
2025
Q4 		$201K Buy
+7,500
New +$193K 0.19% 205
2025
Q2 		– Sell
-7,500
Closed -$217K – 308
2025
Q1 		$217K Buy
+7,500
New +$240K 0.15% 263

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

Corient IA's AMPH Position: Q2 2026 in Review

Corient IA held its Amphastar Pharmaceuticals (AMPH) position steady in Q2 2026 at 6,670 shares worth $135K. The position accounts for 0.12% of the portfolio, ranked #204.

Corient IA first reported a position in AMPH in Q1 2025 and has held it in 4 quarters since. The position peaked at $217K in Q1 2025. 212 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Corient IA held 6,670 shares of Amphastar Pharmaceuticals worth $135K as of Q2 2026.
  • Corient IA left its Amphastar Pharmaceuticals share count unchanged in Q2 2026.
  • Amphastar Pharmaceuticals made up 0.12% of Corient IA's portfolio in Q2 2026, its #204 holding.
  • Corient IA first reported a position in Amphastar Pharmaceuticals in Q1 2025 and has held it in 4 quarters since.
  • Corient IA's Amphastar Pharmaceuticals position peaked at $217K in Q1 2025.
  • 212 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Corient IA's 13F filing for Q2 2026, filed 12 Aug 2026.