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Profund Advisors’s Amphastar Pharmaceuticals AMPH Stock Holding History

Profund 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 		$242K Buy
12,015
+1,357
+13% +$27.4K 0.01% 956
2026
Q1 		$209K Sell
10,658
-463
-4% -$11.3K 0.01% 995
2025
Q4 		$298K Buy
11,121
+2,933
+36% +$75.5K 0.01% 876
2025
Q3 		$218K Sell
8,188
-1,450
-15% -$37.4K 0.01% 931
2025
Q2 		$221K Sell
9,638
-1,618
-14% -$40.2K 0.01% 844
2025
Q1 		$326K Buy
11,256
+3,336
+42% +$107K 0.01% 633
2024
Q4 		$294K Sell
7,920
-36
-0.5% -$1.65K 0.01% 775
2024
Q3 		$386K Sell
7,956
-534
-6% -$23.4K 0.01% 658
2024
Q2 		$340K Sell
8,490
-168
-2% -$6.96K 0.01% 650
2024
Q1 		$380K Buy
8,658
+1,763
+26% +$91.1K 0.01% 712
2023
Q4 		$426K Sell
6,895
-2,455
-26% -$129K 0.02% 598
2023
Q3 		$430K Buy
9,350
+3,132
+50% +$171K 0.02% 504
2023
Q2 		$357K Buy
+6,218
New +$276K 0.02% 629
2022
Q2 		– Sell
-5,963
Closed -$214K – 1035
2022
Q1 		$214K Buy
+5,963
New +$169K 0.01% 1218
2019
Q1 		– Sell
-13,312
Closed -$265K – 1213
2018
Q4 		$265K Sell
13,312
-6,059
-31% -$119K 0.02% 845
2018
Q3 		$373K Buy
+19,371
New +$345K 0.01% 1030

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

Profund Advisors's AMPH Position: Q2 2026 in Review

Profund Advisors increased its Amphastar Pharmaceuticals (AMPH) stake by 13% in Q2 2026, buying an estimated $27.4K and bringing the position to 12,015 shares worth $242K. The position accounts for 0.01% of the portfolio, ranked #956.

Profund Advisors first reported a position in AMPH in Q3 2018 and has held it in 16 quarters since. The position peaked at $430K in Q3 2023. 210 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Profund Advisors held 12,015 shares of Amphastar Pharmaceuticals worth $242K as of Q2 2026.
  • Profund Advisors bought 1,357 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $27.4K.
  • Amphastar Pharmaceuticals made up 0.01% of Profund Advisors's portfolio in Q2 2026, its #956 holding.
  • Profund Advisors first reported a position in Amphastar Pharmaceuticals in Q3 2018 and has held it in 16 quarters since.
  • Profund Advisors's Amphastar Pharmaceuticals position peaked at $430K in Q3 2023.
  • 210 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Profund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.