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Susquehanna Portfolio Strategies’s Amphastar Pharmaceuticals AMPH Stock Holding History

Susquehanna Portfolio Strategies’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
Q1 		– Sell
-66,969
Closed -$1.79M – 975
2025
Q4 		$1.79M Buy
66,969
+27,405
+69% +$706K 0.03% 524
2025
Q3 		$1.05M Hold
39,564
– – 0.02% 673
2025
Q2 		$908K Buy
+39,564
New +$982K 0.02% 525

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
TD Asset Management
TD Asset Management Toronto, Ontario, Canada $115B AUM 41.58% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

Susquehanna Portfolio Strategies's AMPH Position: Q1 2026 in Review

Susquehanna Portfolio Strategies sold out of Amphastar Pharmaceuticals (AMPH) in Q1 2026, closing a stake of 66,969 shares — an estimated $1.79M sold.

Susquehanna Portfolio Strategies first reported a position in AMPH in Q2 2025 and held it in 3 quarters. The position peaked at $1.79M in Q4 2025. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.

  • Susquehanna Portfolio Strategies reported no remaining Amphastar Pharmaceuticals position as of Q1 2026 after selling out during the quarter.
  • Susquehanna Portfolio Strategies sold 66,969 Amphastar Pharmaceuticals shares in Q1 2026, an estimated $1.79M.
  • Susquehanna Portfolio Strategies first reported a position in Amphastar Pharmaceuticals in Q2 2025 and held it in 3 quarters.
  • Susquehanna Portfolio Strategies's Amphastar Pharmaceuticals position peaked at $1.79M in Q4 2025.
  • 215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.

Based on Susquehanna Portfolio Strategies's 13F filing for Q1 2026, filed 15 May 2026.