Quantinno Capital Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$420K Buy
+20,827
New +$420K ﹤0.01% 3062
2026
Q1
Sell
-15,568
Closed -$417K 3304
2025
Q4
$417K Buy
15,568
+2,308
+17% +$59.4K ﹤0.01% 2598
2025
Q3
$353K Buy
13,260
+1,991
+18% +$51.4K ﹤0.01% 2317
2025
Q2
$259K Buy
+11,269
New +$280K ﹤0.01% 2142

Other funds holding AMPH

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

Quantinno Capital Management opened a new position in Amphastar Pharmaceuticals (AMPH) in Q2 2026: 20,827 shares worth $420K. The stake represents ﹤0.01% of the portfolio and ranks #3062 among its holdings. This is a return to the name: Quantinno Capital Management previously reported a position in AMPH as recently as Q4 2025.

Quantinno Capital Management first reported a position in AMPH in Q2 2025 and has held it in 4 quarters since. 211 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Quantinno Capital Management held 20,827 shares of Amphastar Pharmaceuticals worth $420K as of Q2 2026.
  • Amphastar Pharmaceuticals was a new Quantinno Capital Management position in Q2 2026.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Quantinno Capital Management's portfolio in Q2 2026, its #3062 holding.
  • Quantinno Capital Management first reported a position in Amphastar Pharmaceuticals in Q2 2025 and has held it in 4 quarters since.
  • 211 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

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