SL
AMPH icon

Salomon & Ludwin’s Amphastar Pharmaceuticals AMPH Stock Holding History

Salomon & Ludwin’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 		$1.63K Buy
+81
New +$1.63K ﹤0.01% 1981
2026
Q1 		– Sell
-229
Closed -$6.12K – 2101
2025
Q4 		$6.12K Sell
229
-148
-39% -$3.81K ﹤0.01% 1707
2025
Q3 		$10.1K Buy
+377
New +$9.73K ﹤0.01% 1299

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

Salomon & Ludwin's AMPH Position: Q2 2026 in Review

Salomon & Ludwin opened a new position in Amphastar Pharmaceuticals (AMPH) in Q2 2026: 81 shares worth $1.63K. The stake represents ﹤0.01% of the portfolio and ranks #1981 among its holdings. This is a return to the name: Salomon & Ludwin previously reported a position in AMPH as recently as Q4 2025.

Salomon & Ludwin first reported a position in AMPH in Q3 2025 and has held it in 3 quarters since. The position peaked at $10.1K in Q3 2025. 211 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Salomon & Ludwin held 81 shares of Amphastar Pharmaceuticals worth $1.63K as of Q2 2026.
  • Amphastar Pharmaceuticals was a new Salomon & Ludwin position in Q2 2026.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Salomon & Ludwin's portfolio in Q2 2026, its #1981 holding.
  • Salomon & Ludwin first reported a position in Amphastar Pharmaceuticals in Q3 2025 and has held it in 3 quarters since.
  • Salomon & Ludwin's Amphastar Pharmaceuticals position peaked at $10.1K in Q3 2025.
  • 211 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Salomon & Ludwin's 13F filing for Q2 2026, filed 7 Aug 2026.