JG
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Jain Global’s Amphastar Pharmaceuticals AMPH Stock Holding History

Jain Global’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 		$286K Buy
+14,183
New +$286K ﹤0.01% 1406
2025
Q2 		– Sell
-20,136
Closed -$584K – 1168
2025
Q1 		$584K Buy
20,136
+2,162
+12% +$69K 0.01% 520
2024
Q4 		$667K Buy
+17,974
New +$822K 0.02% 392

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

Jain Global's AMPH Position: Q2 2026 in Review

Jain Global opened a new position in Amphastar Pharmaceuticals (AMPH) in Q2 2026: 14,183 shares worth $286K. The stake represents ﹤0.01% of the portfolio and ranks #1406 among its holdings. This is a return to the name: Jain Global previously reported a position in AMPH as recently as Q1 2025.

Jain Global first reported a position in AMPH in Q4 2024 and has held it in 3 quarters since. The position peaked at $667K in Q4 2024. 212 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Jain Global held 14,183 shares of Amphastar Pharmaceuticals worth $286K as of Q2 2026.
  • Amphastar Pharmaceuticals was a new Jain Global position in Q2 2026.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Jain Global's portfolio in Q2 2026, its #1406 holding.
  • Jain Global first reported a position in Amphastar Pharmaceuticals in Q4 2024 and has held it in 3 quarters since.
  • Jain Global's Amphastar Pharmaceuticals position peaked at $667K in Q4 2024.
  • 212 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Jain Global's 13F filing for Q2 2026, filed 14 Aug 2026.