Vanguard Capital Management
AMPH icon

Vanguard Capital Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

Vanguard 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
Q2 		$29.9M Sell
1,481,952
-61,703
-4% -$1.24M ﹤0.01% 2222
2026
Q1 		$30.2M Buy
+1,543,655
New +$37.8M ﹤0.01% 2115

Other funds holding AMPH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

Vanguard Capital Management's AMPH Position: Q2 2026 in Review

Vanguard Capital Management reduced its Amphastar Pharmaceuticals (AMPH) stake by 4% in Q2 2026, selling an estimated $1.24M and leaving 1,481,952 shares worth $29.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2222.

Vanguard Capital Management first reported a position in AMPH in Q1 2026 and has held it in 2 quarters since. The position peaked at $30.2M in Q1 2026. 210 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Vanguard Capital Management held 1,481,952 shares of Amphastar Pharmaceuticals worth $29.9M as of Q2 2026.
  • Vanguard Capital Management sold 61,703 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $1.24M.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Vanguard Capital Management's portfolio in Q2 2026, its #2222 holding.
  • Vanguard Capital Management first reported a position in Amphastar Pharmaceuticals in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Capital Management's Amphastar Pharmaceuticals position peaked at $30.2M in Q1 2026.
  • 210 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Vanguard Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.