Y-Intercept (HK)
AMPH icon

Y-Intercept (HK)’s Amphastar Pharmaceuticals AMPH Stock Holding History

Y-Intercept (HK)’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 		– Sell
-34,704
Closed -$700K – 1557
2026
Q2 		$700K Buy
+34,704
New +$700K 0.01% 1194
2025
Q4 		– Sell
-25,090
Closed -$669K – 1510
2025
Q3 		$669K Buy
25,090
+7,363
+42% +$190K 0.02% 1157
2025
Q2 		$407K Buy
+17,727
New +$440K 0.01% 1266
2023
Q4 		– Sell
-5,746
Closed -$264K – 1204
2023
Q3 		$264K Buy
+5,746
New +$313K 0.03% 810

Other funds holding AMPH

Bridge City Capital
Bridge City Capital Lake Oswego, Oregon $480M AUM 47.16% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
LAM Group
LAM Group Lake Oswego, Oregon $199M AUM 14.21% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $179B AUM 16.96% 1-Year Est. Return
AssetMark Inc
AssetMark Inc Concord, California $59.5B AUM 15.92% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return
SummerHaven Investment Management
SummerHaven Investment Management Stamford, Connecticut $179M AUM 57.61% 1-Year Est. Return
SteelPeak Wealth
SteelPeak Wealth Woodland Hills, California $4.07B AUM 38.25% 1-Year Est. Return
Profund Advisors
Profund Advisors Bethesda, Maryland $3.48B AUM 66.96% 1-Year Est. Return
Polaris Capital Management
Polaris Capital Management Boston, Massachusetts $953M AUM 27.74% 1-Year Est. Return

Y-Intercept (HK)'s AMPH Position: Q3 2026 in Review

Y-Intercept (HK) sold out of Amphastar Pharmaceuticals (AMPH) in Q3 2026, closing a stake of 34,704 shares — an estimated $700K sold.

Y-Intercept (HK) first reported a position in AMPH in Q3 2023 and held it in 4 quarters. The position peaked at $700K in Q2 2026. 64 funds tracked by Wall St. Rank hold AMPH as of Q3 2026.

  • Y-Intercept (HK) reported no remaining Amphastar Pharmaceuticals position as of Q3 2026 after selling out during the quarter.
  • Y-Intercept (HK) sold 34,704 Amphastar Pharmaceuticals shares in Q3 2026, an estimated $700K.
  • Y-Intercept (HK) first reported a position in Amphastar Pharmaceuticals in Q3 2023 and held it in 4 quarters.
  • Y-Intercept (HK)'s Amphastar Pharmaceuticals position peaked at $700K in Q2 2026.
  • 64 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q3 2026.

Based on Y-Intercept (HK)'s 13F filing for Q3 2026, filed 16 Oct 2026.