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Clark Capital Management Group’s Amphastar Pharmaceuticals AMPH Stock Holding History

Clark Capital Management 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
Q1 		– Sell
-317,482
Closed -$8.5M – 520
2025
Q4 		$8.5M Buy
317,482
+33,808
+12% +$871K 0.05% 180
2025
Q3 		$7.56M Buy
+283,674
New +$7.33M 0.05% 189
2025
Q1 		– Sell
-148,075
Closed -$5.5M – 428
2024
Q4 		$5.5M Sell
148,075
-5,672
-4% -$259K 0.04% 189
2024
Q3 		$7.46M Buy
153,747
+56,337
+58% +$2.47M 0.05% 163
2024
Q2 		$3.9M Buy
97,410
+57,346
+143% +$2.38M 0.03% 192
2024
Q1 		$1.76M Sell
40,064
-22,178
-36% -$1.15M 0.01% 257
2023
Q4 		$3.85M Buy
62,242
+4,237
+7% +$223K 0.03% 187
2023
Q3 		$2.67M Buy
58,005
+23,373
+67% +$1.28M 0.03% 196
2023
Q2 		$1.99M Buy
+34,632
New +$1.54M 0.02% 216
2022
Q3 		– Sell
-68,957
Closed -$2.4M – 339
2022
Q2 		$2.4M Sell
68,957
-26,672
-28% -$952K 0.03% 197
2022
Q1 		$3.43M Buy
95,629
+15,535
+19% +$441K 0.04% 204
2021
Q4 		$1.86M Buy
+80,094
New +$1.64M 0.02% 222

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
TD Asset Management
TD Asset Management Toronto, Ontario, Canada $115B AUM 41.58% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

Clark Capital Management Group's AMPH Position: Q1 2026 in Review

Clark Capital Management Group sold out of Amphastar Pharmaceuticals (AMPH) in Q1 2026, closing a stake of 317,482 shares — an estimated $8.5M sold.

Clark Capital Management Group first reported a position in AMPH in Q4 2021 and held it in 12 quarters. The position peaked at $8.5M in Q4 2025. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.

  • Clark Capital Management Group reported no remaining Amphastar Pharmaceuticals position as of Q1 2026 after selling out during the quarter.
  • Clark Capital Management Group sold 317,482 Amphastar Pharmaceuticals shares in Q1 2026, an estimated $8.5M.
  • Clark Capital Management Group first reported a position in Amphastar Pharmaceuticals in Q4 2021 and held it in 12 quarters.
  • Clark Capital Management Group's Amphastar Pharmaceuticals position peaked at $8.5M in Q4 2025.
  • 215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.

Based on Clark Capital Management Group's 13F filing for Q1 2026, filed 15 May 2026.