Susquehanna Fundamental Investments’s Amphastar Pharmaceuticals AMPH Stock Holding History

Susquehanna Fundamental Investments’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	-12,568	Closed	-$335K	–	565
2025 Q3	$335K	Sell	12,568 -88,985	-88%	-$2.3M	0.01%	470
2025 Q2	$2.33M	Sell	101,553 -13,533	-12%	-$336K	0.06%	312
2025 Q1	$3.34M	Buy	+115,086	New	+$3.68M	0.05%	405
2020 Q4	–	Sell	-36,400	Closed	-$683K	–	1484
2020 Q3	$683K	Sell	36,400 -2,200	-6%	-$44.3K	0.02%	772
2020 Q2	$867K	Buy	+38,600	New	+$707K	0.04%	489

Other funds holding AMPH

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

TD Asset Management Toronto, Ontario, Canada $123B AUM 34.51% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

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 $12.2B AUM 12.45% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Susquehanna Fundamental Investments's AMPH Position: Q4 2025 in Review

Susquehanna Fundamental Investments sold out of Amphastar Pharmaceuticals (AMPH) in Q4 2025, closing a stake of 12,568 shares — an estimated $335K sold.

Susquehanna Fundamental Investments first reported a position in AMPH in Q2 2020 and held it in 5 quarters. The position peaked at $3.34M in Q1 2025. 235 funds tracked by Wall St. Rank hold AMPH as of Q4 2025.

Susquehanna Fundamental Investments reported no remaining Amphastar Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
Susquehanna Fundamental Investments sold 12,568 Amphastar Pharmaceuticals shares in Q4 2025, an estimated $335K.
Susquehanna Fundamental Investments first reported a position in Amphastar Pharmaceuticals in Q2 2020 and held it in 5 quarters.
Susquehanna Fundamental Investments's Amphastar Pharmaceuticals position peaked at $3.34M in Q1 2025.
235 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q4 2025.

Based on Susquehanna Fundamental Investments's 13F filing for Q4 2025, filed 17 Feb 2026.