HWM
AMPH icon

HighMark Wealth Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

HighMark Wealth 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 		$1.11K Hold
55
– – ﹤0.01% 495
2026
Q1 		$1.08K Hold
55
– – ﹤0.01% 483
2025
Q4 		$1.47K Hold
55
– – ﹤0.01% 495
2025
Q3 		$1.47K Buy
55
+35
+175% +$904 ﹤0.01% 507
2025
Q2 		$459 Buy
+20
New +$496 ﹤0.01% 569

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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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

HighMark Wealth Management's AMPH Position: Q2 2026 in Review

HighMark Wealth Management held its Amphastar Pharmaceuticals (AMPH) position steady in Q2 2026 at 55 shares worth $1.11K. The position accounts for ﹤0.01% of the portfolio, ranked #495.

HighMark Wealth Management first reported a position in AMPH in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.47K in Q4 2025. 212 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • HighMark Wealth Management held 55 shares of Amphastar Pharmaceuticals worth $1.11K as of Q2 2026.
  • HighMark Wealth Management left its Amphastar Pharmaceuticals share count unchanged in Q2 2026.
  • Amphastar Pharmaceuticals made up ﹤0.01% of HighMark Wealth Management's portfolio in Q2 2026, its #495 holding.
  • HighMark Wealth Management first reported a position in Amphastar Pharmaceuticals in Q2 2025 and has held it in 5 quarters since.
  • HighMark Wealth Management's Amphastar Pharmaceuticals position peaked at $1.47K in Q4 2025.
  • 212 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on HighMark Wealth Management's 13F filing for Q2 2026, filed 12 Aug 2026.