GI
AMPH icon

GAMMA Investing’s Amphastar Pharmaceuticals AMPH Stock Holding History

GAMMA Investing’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
Q3 		$16.8K Buy
652
+340
+109% +$7.35K ﹤0.01% 3050
2026
Q2 		$6.3K Sell
312
-27
-8% -$545 ﹤0.01% 3382
2026
Q1 		$6.64K Sell
339
-1,346
-80% -$32.9K ﹤0.01% 3256
2025
Q4 		$45.1K Buy
1,685
+462
+38% +$11.9K ﹤0.01% 2130
2025
Q3 		$32.6K Sell
1,223
-939
-43% -$24.2K ﹤0.01% 2259
2025
Q2 		$49.6K Buy
2,162
+829
+62% +$20.6K ﹤0.01% 1952
2025
Q1 		$38.6K Buy
1,333
+424
+47% +$13.5K ﹤0.01% 1976
2024
Q4 		$33.8K Buy
909
+246
+37% +$11.2K ﹤0.01% 1969
2024
Q3 		$32.2K Buy
663
+273
+70% +$12K ﹤0.01% 1805
2024
Q2 		$15.6K Buy
390
+105
+37% +$4.35K ﹤0.01% 2018
2024
Q1 		$12.5K Buy
285
+43
+18% +$2.22K ﹤0.01% 1931
2023
Q4 		$12.9K Buy
+242
New +$12.7K ﹤0.01% 1760

Other funds holding AMPH

FFA
Farther Finance Advisors San Francisco, California $14.2B AUM 18.33% 1-Year Est. Return
CI
CX Institutional Auburn, Indiana $3.69B AUM 15.82% 1-Year Est. Return
MPWT
MassMutual Private Wealth & Trust Windsor, Connecticut $3.79B AUM 19.33% 1-Year Est. Return
VCM
Versant Capital Management Phoenix, Arizona $1.17B AUM 28.44% 1-Year Est. Return
CA
CoreCap Advisors Southfield, Michigan $3.48B AUM 21.43% 1-Year Est. Return
TC
Trust Company Manhattan, Kansas $1.15B AUM 7.83% 1-Year Est. Return
GWM
Gilpin Wealth Management Denver, Colorado $148M AUM 25.13% 1-Year Est. Return
DCM
Davis Capital Management Jacksonville, Florida $167M AUM 17.17% 1-Year Est. Return

GAMMA Investing's AMPH Position: Q3 2026 in Review

GAMMA Investing increased its Amphastar Pharmaceuticals (AMPH) stake by 109% in Q3 2026, buying an estimated $7.35K and bringing the position to 652 shares worth $16.8K. The position accounts for ﹤0.01% of the portfolio, ranked #3050.

GAMMA Investing first reported a position in AMPH in Q4 2023 and has held it in 12 quarters since. The position peaked at $49.6K in Q2 2025. 9 funds tracked by Wall St. Rank hold AMPH as of Q3 2026.

  • GAMMA Investing held 652 shares of Amphastar Pharmaceuticals worth $16.8K as of Q3 2026.
  • GAMMA Investing bought 340 Amphastar Pharmaceuticals shares in Q3 2026, an estimated $7.35K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of GAMMA Investing's portfolio in Q3 2026, its #3050 holding.
  • GAMMA Investing first reported a position in Amphastar Pharmaceuticals in Q4 2023 and has held it in 12 quarters since.
  • GAMMA Investing's Amphastar Pharmaceuticals position peaked at $49.6K in Q2 2025.
  • 9 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q3 2026.

Based on GAMMA Investing's 13F filing for Q3 2026, filed 8 Oct 2026.