UMB Bank’s Amphastar Pharmaceuticals AMPH Stock Holding History

UMB Bank’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	$3.53K	Sell	180 -70	-28%	-$1.71K	﹤0.01%	2094
2025 Q4	$6.7K	Buy	250 +3	+1%	+$77	﹤0.01%	1951
2025 Q3	$6.58K	Buy	247 +228	+1,200%	+$5.89K	﹤0.01%	1813
2025 Q2	$436	Sell	19 -208	-92%	-$5.16K	﹤0.01%	2078
2025 Q1	$6.58K	Buy	227 +174	+328%	+$5.56K	﹤0.01%	1683
2024 Q4	$1.97K	Sell	53 -50	-49%	-$2.29K	﹤0.01%	1939
2024 Q3	$5K	Buy	103 +59	+134%	+$2.59K	﹤0.01%	1730
2024 Q2	$1.76K	Buy	44 +28	+175%	+$1.16K	﹤0.01%	1824
2024 Q1	$703	Buy	+16	New	+$826	﹤0.01%	1890

Other funds holding AMPH

BlackRock New York $5.72T AUM 30.48% 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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

TD Asset Management Toronto, Ontario, Canada $123B AUM 34.51% 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

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

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

BTW

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

UMB Bank's AMPH Position: Q1 2026 in Review

UMB Bank reduced its Amphastar Pharmaceuticals (AMPH) stake by 28% in Q1 2026, selling an estimated $1.71K and leaving 180 shares worth $3.53K. The position accounts for ﹤0.01% of the portfolio, ranked #2094.

UMB Bank first reported a position in AMPH in Q1 2024 and has held it in 9 quarters since. The position peaked at $6.7K in Q4 2025. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.

UMB Bank held 180 shares of Amphastar Pharmaceuticals worth $3.53K as of Q1 2026.
UMB Bank sold 70 Amphastar Pharmaceuticals shares in Q1 2026, an estimated $1.71K.
Amphastar Pharmaceuticals made up ﹤0.01% of UMB Bank's portfolio in Q1 2026, its #2094 holding.
UMB Bank first reported a position in Amphastar Pharmaceuticals in Q1 2024 and has held it in 9 quarters since.
UMB Bank's Amphastar Pharmaceuticals position peaked at $6.7K in Q4 2025.
215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.

Based on UMB Bank's 13F filing for Q1 2026, filed 11 May 2026.