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LAM Group’s Amphastar Pharmaceuticals AMPH Stock Holding History

LAM Group’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 		$2.64M Hold
130,800
– – 1.31% 24
2026
Q1 		$2.56M Hold
130,800
– – 1.41% 24
2025
Q4 		$3.5M Hold
130,800
– – 2% 19
2025
Q3 		$3.49M Hold
130,800
– – 2.16% 19
2025
Q2 		$3M Hold
130,800
– – 2.01% 20
2025
Q1 		$3.79M Hold
130,800
– – 2.79% 14
2024
Q4 		$4.86M Hold
130,800
– – 3.46% 8
2024
Q3 		$6.35M Hold
130,800
– – 4.49% 4
2024
Q2 		$5.23M Hold
130,800
– – 4.41% 4
2024
Q1 		$5.74M Hold
130,800
– – 4.68% 5
2023
Q4 		$8.09M Buy
130,800
+2,800
+2% +$147K 7.36% 1
2023
Q3 		$5.89M Hold
128,000
– – 5.78% 4
2023
Q2 		$7.36M Sell
128,000
-2,250
-2% -$99.7K 6.85% 2
2023
Q1 		$4.88M Hold
130,250
– – 4.79% 4
2022
Q4 		$3.65M Buy
+130,250
New +$3.78M 3.75% 8

Other funds holding AMPH

SW
SteelPeak Wealth Woodland Hills, California $3.86B AUM 48.92% 1-Year Est. Return
YIH
Y-Intercept (HK) Hong Kong $5.05B AUM 17.89% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
SWP
Significant Wealth Partners Cary, Illinois $92.4M AUM 9.22% 1-Year Est. Return
CI
CX Institutional Auburn, Indiana $3.46B AUM 21.89% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return
1IA
1620 Investment Advisors Plymouth, Massachusetts $161M AUM 30.15% 1-Year Est. Return
MPWT
MassMutual Private Wealth & Trust Windsor, Connecticut $3.87B AUM 24.64% 1-Year Est. Return
GI
GAMMA Investing Foster City, California $2.69B AUM 42.78% 1-Year Est. Return
VCM
Versant Capital Management Phoenix, Arizona $1.12B AUM 34.21% 1-Year Est. Return

LAM Group's AMPH Position: Q2 2026 in Review

LAM Group held its Amphastar Pharmaceuticals (AMPH) position steady in Q2 2026 at 130,800 shares worth $2.64M. The position accounts for 1.31% of the portfolio, ranked #24.

LAM Group first reported a position in AMPH in Q4 2022 and has held it in 15 quarters since. The position peaked at $8.09M in Q4 2023. 20 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • LAM Group held 130,800 shares of Amphastar Pharmaceuticals worth $2.64M as of Q2 2026.
  • LAM Group left its Amphastar Pharmaceuticals share count unchanged in Q2 2026.
  • Amphastar Pharmaceuticals made up 1.31% of LAM Group's portfolio in Q2 2026, its #24 holding.
  • LAM Group first reported a position in Amphastar Pharmaceuticals in Q4 2022 and has held it in 15 quarters since.
  • LAM Group's Amphastar Pharmaceuticals position peaked at $8.09M in Q4 2023.
  • 20 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on LAM Group's 13F filing for Q2 2026, filed 10 Jul 2026.