Brevan Howard Capital Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

Brevan Howard Capital Management’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	$228K	Sell	11,614 -8,851	-43%	-$217K	﹤0.01%	1814
2025 Q4	$548K	Buy	20,465 +6,976	+52%	+$180K	0.01%	1062
2025 Q3	$359K	Sell	13,489 -35,431	-72%	-$915K	0.01%	1464
2025 Q2	$1.12M	Buy	48,920 +40,335	+470%	+$1M	0.01%	1009
2025 Q1	$249K	Buy	8,585 +1,680	+24%	+$53.7K	0.01%	916
2024 Q4	$256K	Buy	+6,905	New	+$316K	0.01%	832
2024 Q2	–	Sell	-5,514	Closed	-$242K	–	1045
2024 Q1	$242K	Buy	+5,514	New	+$285K	0.02%	729

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