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WealthCollab’s Amphastar Pharmaceuticals AMPH Stock Holding History

WealthCollab’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 		$1.25K Hold
64
– – ﹤0.01% 892
2025
Q4 		$1.71K Sell
64
-143
-69% -$3.68K ﹤0.01% 913
2025
Q3 		$5.52K Hold
207
– – ﹤0.01% 658
2025
Q2 		$4.75K Buy
+207
New +$5.14K ﹤0.01% 649

Other funds holding AMPH

BlackRock
BlackRock New York $5.72T 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
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
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
Marshall Wace London, United Kingdom $100B 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
BTW
Boston Trust Walden Boston, Massachusetts $12.2B AUM 12.45% 1-Year Est. Return

WealthCollab's AMPH Position: Q1 2026 in Review

WealthCollab held its Amphastar Pharmaceuticals (AMPH) position steady in Q1 2026 at 64 shares worth $1.25K. The position accounts for ﹤0.01% of the portfolio, ranked #892.

WealthCollab first reported a position in AMPH in Q2 2025 and has held it in 4 quarters since. The position peaked at $5.52K in Q3 2025. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.

  • WealthCollab held 64 shares of Amphastar Pharmaceuticals worth $1.25K as of Q1 2026.
  • WealthCollab left its Amphastar Pharmaceuticals share count unchanged in Q1 2026.
  • Amphastar Pharmaceuticals made up ﹤0.01% of WealthCollab's portfolio in Q1 2026, its #892 holding.
  • WealthCollab first reported a position in Amphastar Pharmaceuticals in Q2 2025 and has held it in 4 quarters since.
  • WealthCollab's Amphastar Pharmaceuticals position peaked at $5.52K in Q3 2025.
  • 215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.

Based on WealthCollab's 13F filing for Q1 2026, filed 13 May 2026.