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Jefferies Financial Group’s Amphastar Pharmaceuticals AMPH Stock Holding History

Jefferies Financial Group’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
2025
Q4 		– Sell
-89,233
Closed -$2.38M – 1840
2025
Q3 		$2.38M Buy
+89,233
New +$2.3M 0.01% 588
2024
Q1 		– Sell
-7,800
Closed -$482K – 1589
2023
Q4 		$482K Buy
+7,800
New +$410K ﹤0.01% 1238

Other funds holding AMPH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
TD Asset Management
TD Asset Management Toronto, Ontario, Canada $115B AUM 41.58% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
EIP
Epoch Investment Partners New York $16.5B AUM 24.3% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jefferies Financial Group's AMPH Position: Q4 2025 in Review

Jefferies Financial Group sold out of Amphastar Pharmaceuticals (AMPH) in Q4 2025, closing a stake of 89,233 shares — an estimated $2.38M sold.

Jefferies Financial Group first reported a position in AMPH in Q4 2023 and held it in 2 quarters. The position peaked at $2.38M in Q3 2025. 235 funds tracked by Wall St. Rank hold AMPH as of Q4 2025.

  • Jefferies Financial Group reported no remaining Amphastar Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
  • Jefferies Financial Group sold 89,233 Amphastar Pharmaceuticals shares in Q4 2025, an estimated $2.38M.
  • Jefferies Financial Group first reported a position in Amphastar Pharmaceuticals in Q4 2023 and held it in 2 quarters.
  • Jefferies Financial Group's Amphastar Pharmaceuticals position peaked at $2.38M in Q3 2025.
  • 235 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q4 2025.

Based on Jefferies Financial Group's 13F filing for Q4 2025, filed 9 Feb 2026.