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Hantz Financial Services’s Amphastar Pharmaceuticals AMPH Stock Holding History

Hantz Financial 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 		$49K Buy
2,417
+390
+19% +$7.87K ﹤0.01% 1660
2026
Q1 		$40K Sell
2,027
-2,457
-55% -$60.1K ﹤0.01% 1634
2025
Q4 		$120K Buy
4,484
+1,362
+44% +$35.1K ﹤0.01% 1071
2025
Q3 		$83K Buy
3,122
+1,745
+127% +$45.1K ﹤0.01% 1032
2025
Q2 		$32K Buy
1,377
+1,338
+3,431% +$33.2K ﹤0.01% 1098
2025
Q1 		$1K Buy
+39
New +$1.25K ﹤0.01% 1459

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

Hantz Financial Services's AMPH Position: Q2 2026 in Review

Hantz Financial Services increased its Amphastar Pharmaceuticals (AMPH) stake by 19% in Q2 2026, buying an estimated $7.87K and bringing the position to 2,417 shares worth $49K. The position accounts for ﹤0.01% of the portfolio, ranked #1660.

Hantz Financial Services first reported a position in AMPH in Q1 2025 and has held it in 6 quarters since. The position peaked at $120K in Q4 2025. 212 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Hantz Financial Services held 2,417 shares of Amphastar Pharmaceuticals worth $49K as of Q2 2026.
  • Hantz Financial Services bought 390 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $7.87K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Hantz Financial Services's portfolio in Q2 2026, its #1660 holding.
  • Hantz Financial Services first reported a position in Amphastar Pharmaceuticals in Q1 2025 and has held it in 6 quarters since.
  • Hantz Financial Services's Amphastar Pharmaceuticals position peaked at $120K in Q4 2025.
  • 212 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Hantz Financial Services's 13F filing for Q2 2026, filed 13 Aug 2026.