Virginia Retirement Systems’s Amphastar Pharmaceuticals AMPH Stock Holding History

Virginia Retirement Systems’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	$331K	Sell	12,362 -1,200	-9%	-$30.9K	﹤0.01%	831
2025 Q3	$361K	Buy	13,562 +4,800	+55%	+$124K	﹤0.01%	814
2025 Q2	$201K	Sell	8,762 -800	-8%	-$19.9K	﹤0.01%	902
2025 Q1	$277K	Buy	+9,562	New	+$305K	﹤0.01%	899
2023 Q3	$1.05M	Sell	22,800 -6,500	-22%	-$355K	0.01%	502
2023 Q2	$1.68M	Buy	29,300 +2,400	+9%	+$106K	0.02%	397
2023 Q1	$1.01M	Buy	26,900 +1,300	+5%	+$42.6K	0.01%	546
2022 Q4	$717K	Buy	25,600 +8,900	+53%	+$258K	0.01%	717
2022 Q3	$469K	Buy	+16,700	New	+$545K	0.01%	818

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

Virginia Retirement Systems's AMPH Position: Q4 2025 in Review

Virginia Retirement Systems reduced its Amphastar Pharmaceuticals (AMPH) stake by 8.8% in Q4 2025, selling an estimated $30.9K and leaving 12,362 shares worth $331K. The position accounts for ﹤0.01% of the portfolio, ranked #831.

Virginia Retirement Systems first reported a position in AMPH in Q3 2022 and has held it in 9 quarters since. The position peaked at $1.68M in Q2 2023. 235 funds tracked by Wall St. Rank hold AMPH as of Q4 2025.

Virginia Retirement Systems held 12,362 shares of Amphastar Pharmaceuticals worth $331K as of Q4 2025.
Virginia Retirement Systems sold 1,200 Amphastar Pharmaceuticals shares in Q4 2025, an estimated $30.9K.
Amphastar Pharmaceuticals made up ﹤0.01% of Virginia Retirement Systems's portfolio in Q4 2025, its #831 holding.
Virginia Retirement Systems first reported a position in Amphastar Pharmaceuticals in Q3 2022 and has held it in 9 quarters since.
Virginia Retirement Systems's Amphastar Pharmaceuticals position peaked at $1.68M in Q2 2023.
235 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q4 2025.

Based on Virginia Retirement Systems's 13F filing for Q4 2025, filed 4 Feb 2026.