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Pinnacle Wealth Planning Services’s Amphastar Pharmaceuticals AMPH Stock Holding History

Pinnacle Wealth Planning Services’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 		$23.5K Buy
1,165
+882
+312% +$17.8K ﹤0.01% 1706
2026
Q1 		$5.54K Sell
283
-1,332
-82% -$32.6K ﹤0.01% 2232
2025
Q4 		$43.3K Buy
+1,615
New +$41.6K ﹤0.01% 1299
2021
Q1 		– Sell
-230
Closed -$5K – 419
2020
Q4 		$5K Buy
+230
New +$4.48K ﹤0.01% 1634

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

Pinnacle Wealth Planning Services's AMPH Position: Q2 2026 in Review

Pinnacle Wealth Planning Services increased its Amphastar Pharmaceuticals (AMPH) stake by 312% in Q2 2026, buying an estimated $17.8K and bringing the position to 1,165 shares worth $23.5K. The position accounts for ﹤0.01% of the portfolio, ranked #1706.

Pinnacle Wealth Planning Services first reported a position in AMPH in Q4 2020 and has held it in 4 quarters since. The position peaked at $43.3K in Q4 2025. 212 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Pinnacle Wealth Planning Services held 1,165 shares of Amphastar Pharmaceuticals worth $23.5K as of Q2 2026.
  • Pinnacle Wealth Planning Services bought 882 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $17.8K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Pinnacle Wealth Planning Services's portfolio in Q2 2026, its #1706 holding.
  • Pinnacle Wealth Planning Services first reported a position in Amphastar Pharmaceuticals in Q4 2020 and has held it in 4 quarters since.
  • Pinnacle Wealth Planning Services's Amphastar Pharmaceuticals position peaked at $43.3K in Q4 2025.
  • 212 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Pinnacle Wealth Planning Services's 13F filing for Q2 2026, filed 7 Aug 2026.