LSV Asset Management
AMPH icon

LSV Asset Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

LSV Asset Management’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 		$18.9M Buy
731,219
+89,205
+14% +$1.93M 0.03% 348
2026
Q2 		$13M Sell
642,014
-9,700
-1% -$196K 0.02% 402
2026
Q1 		$12.8M Buy
651,714
+541,414
+491% +$13.2M 0.03% 365
2025
Q4 		$2.95M Buy
110,300
+37,000
+50% +$953K 0.01% 533
2025
Q3 		$1.95M Buy
73,300
+30,100
+70% +$777K ﹤0.01% 578
2025
Q2 		$992K Hold
43,200
– – ﹤0.01% 608
2025
Q1 		$1.25M Buy
43,200
+6,800
+19% +$217K ﹤0.01% 604
2024
Q4 		$1.35M Sell
36,400
-44,000
-55% -$2.01M ﹤0.01% 586
2024
Q3 		$3.9M Hold
80,400
– – 0.01% 526
2024
Q2 		$3.22M Sell
80,400
-144,368
-64% -$5.98M 0.01% 566
2024
Q1 		$9.9M Sell
224,768
-92,832
-29% -$4.79M 0.02% 439
2023
Q4 		$19.6M Buy
317,600
+105,232
+50% +$5.53M 0.04% 345
2023
Q3 		$9.8M Hold
212,368
– – 0.02% 425
2023
Q2 		$12.2M Buy
212,368
+179,168
+540% +$7.94M 0.03% 399
2023
Q1 		$1.24M Buy
33,200
+22,500
+210% +$738K ﹤0.01% 650
2022
Q4 		$300K Hold
10,700
– – ﹤0.01% 761
2022
Q3 		$301K Sell
10,700
-116,353
-92% -$3.8M ﹤0.01% 760
2022
Q2 		$4.42M Sell
127,053
-12,700
-9% -$453K 0.01% 524
2022
Q1 		$5.02M Buy
139,753
+54,907
+65% +$1.56M 0.01% 526
2021
Q4 		$1.98M Buy
84,846
+35,546
+72% +$727K ﹤0.01% 647
2021
Q3 		$937K Buy
49,300
+18,900
+62% +$370K ﹤0.01% 719
2021
Q2 		$612K Buy
+30,400
New +$573K ﹤0.01% 764

Other funds holding AMPH

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Marshall Wace
Marshall Wace London, United Kingdom $114B AUM 35.47% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $33.9B AUM 47.7% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return

LSV Asset Management's AMPH Position: Q3 2026 in Review

LSV Asset Management increased its Amphastar Pharmaceuticals (AMPH) stake by 14% in Q3 2026, buying an estimated $1.93M and bringing the position to 731,219 shares worth $18.9M. The position accounts for 0.03% of the portfolio, ranked #348.

LSV Asset Management first reported a position in AMPH in Q2 2021 and has held it in 22 quarters since. The position peaked at $19.6M in Q4 2023. 175 funds tracked by Wall St. Rank hold AMPH as of Q3 2026.

  • LSV Asset Management held 731,219 shares of Amphastar Pharmaceuticals worth $18.9M as of Q3 2026.
  • LSV Asset Management bought 89,205 Amphastar Pharmaceuticals shares in Q3 2026, an estimated $1.93M.
  • Amphastar Pharmaceuticals made up 0.03% of LSV Asset Management's portfolio in Q3 2026, its #348 holding.
  • LSV Asset Management first reported a position in Amphastar Pharmaceuticals in Q2 2021 and has held it in 22 quarters since.
  • LSV Asset Management's Amphastar Pharmaceuticals position peaked at $19.6M in Q4 2023.
  • 175 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q3 2026.

Based on LSV Asset Management's 13F filing for Q3 2026, filed 6 Nov 2026.