Pacer Advisors
AMPH icon

Pacer Advisors’s Amphastar Pharmaceuticals AMPH Stock Holding History

Pacer Advisors’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 		$4.87M Sell
241,181
-20,302
-8% -$410K 0.01% 701
2026
Q1 		$5.12M Buy
261,483
+83,739
+47% +$2.05M 0.01% 612
2025
Q4 		$4.76M Buy
177,744
+171,748
+2,864% +$4.42M 0.01% 728
2025
Q3 		$160K Sell
5,996
-320,102
-98% -$8.27M ﹤0.01% 2041
2025
Q2 		$7.49M Sell
326,098
-153,292
-32% -$3.8M 0.02% 573
2025
Q1 		$13.9M Sell
479,390
-870,978
-64% -$27.8M 0.03% 395
2024
Q4 		$50.1M Buy
1,350,368
+1,347,775
+51,977% +$61.6M 0.11% 203
2024
Q3 		$126K Buy
2,593
+1,666
+180% +$73.1K ﹤0.01% 1951
2024
Q2 		$37.1K Buy
927
+135
+17% +$5.59K ﹤0.01% 3289
2024
Q1 		$34.8K Sell
792
-178
-18% -$9.19K ﹤0.01% 3314
2023
Q4 		$60K Sell
970
-74
-7% -$3.89K ﹤0.01% 3052
2023
Q3 		$48K Buy
1,044
+16
+2% +$873 ﹤0.01% 2479
2023
Q2 		$59.1K Buy
+1,028
New +$45.6K ﹤0.01% 3053
2023
Q1 		– Sell
-231,009
Closed -$6.47M – 2199
2022
Q4 		$6.47M Buy
+231,009
New +$6.71M 0.03% 399
2022
Q3 		– Sell
-149,964
Closed -$5.22M – 2120
2022
Q2 		$5.22M Buy
+149,964
New +$5.35M 0.04% 361

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
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Pacer Advisors's AMPH Position: Q2 2026 in Review

Pacer Advisors reduced its Amphastar Pharmaceuticals (AMPH) stake by 7.8% in Q2 2026, selling an estimated $410K and leaving 241,181 shares worth $4.87M. The position accounts for 0.01% of the portfolio, ranked #701.

Pacer Advisors first reported a position in AMPH in Q2 2022 and has held it in 15 quarters since. The position peaked at $50.1M in Q4 2024. 210 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Pacer Advisors held 241,181 shares of Amphastar Pharmaceuticals worth $4.87M as of Q2 2026.
  • Pacer Advisors sold 20,302 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $410K.
  • Amphastar Pharmaceuticals made up 0.01% of Pacer Advisors's portfolio in Q2 2026, its #701 holding.
  • Pacer Advisors first reported a position in Amphastar Pharmaceuticals in Q2 2022 and has held it in 15 quarters since.
  • Pacer Advisors's Amphastar Pharmaceuticals position peaked at $50.1M in Q4 2024.
  • 210 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Pacer Advisors's 13F filing for Q2 2026, filed 13 Aug 2026.