Jump Financial’s Amphastar Pharmaceuticals AMPH Stock Holding History

Jump Financial’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	-7,800	Closed	-$209K	–	1853
2025 Q4	$209K	Buy	+7,800	New	+$201K	﹤0.01%	1729
2025 Q3	–	Sell	-63,334	Closed	-$1.45M	–	1747
2025 Q2	$1.45M	Buy	+63,334	New	+$1.57M	0.02%	828
2023 Q4	–	Sell	-37,276	Closed	-$1.71M	–	1753
2023 Q3	$1.71M	Buy	+37,276	New	+$2.03M	0.06%	435
2022 Q2	–	Sell	-51,304	Closed	-$1.84M	–	1589
2022 Q1	$1.84M	Buy	51,304 +22,504	+78%	+$638K	0.08%	314
2021 Q4	$671K	Buy	28,800 +4,800	+20%	+$98.2K	0.04%	527
2021 Q3	$456K	Sell	24,000 -13,700	-36%	-$268K	0.03%	508
2021 Q2	$760K	Buy	+37,700	New	+$710K	0.07%	339

Other funds holding AMPH

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors

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

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

TD Asset Management

TD Asset Management Toronto, Ontario, Canada $123B AUM 34.51% 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 London, United Kingdom $93.4B AUM 35.1% 1-Year Est. Return

American Century Companies

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Geode Capital Management

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

Boston Trust Walden Boston, Massachusetts $12.2B AUM 12.45% 1-Year Est. Return