Covestor
AMPH icon

Covestor’s Amphastar Pharmaceuticals AMPH Stock Holding History

Covestor’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 		$2K Buy
88
+23
+35% +$497 ﹤0.01% 1949
2026
Q2 		$1K Buy
65
+28
+76% +$565 ﹤0.01% 2030
2026
Q1 		$1K Sell
37
-22
-37% -$538 ﹤0.01% 1964
2025
Q4 		$2K Buy
59
+3
+5% +$77 ﹤0.01% 1888
2025
Q3 		$2K Sell
56
-10
-15% -$258 ﹤0.01% 1910
2025
Q2 		$2K Sell
66
-231
-78% -$5.73K ﹤0.01% 1818
2025
Q1 		$8K Buy
297
+4
+1% +$128 0.01% 1603
2024
Q4 		$11K Sell
293
-1
-0.3% -$46 0.01% 1460
2024
Q3 		$14K Buy
294
+26
+10% +$1.14K 0.01% 1346
2024
Q2 		$10K Buy
268
+69
+35% +$2.86K 0.01% 1514
2024
Q1 		$9K Buy
199
+35
+21% +$1.81K 0.01% 1635
2023
Q4 		$10K Sell
164
-1,802
-92% -$94.7K 0.01% 1534
2023
Q3 		$90K Buy
1,966
+1,761
+859% +$96.1K 0.07% 481
2023
Q2 		$12K Buy
205
+160
+356% +$7.09K 0.01% 1344
2023
Q1 		$2K Buy
45
+26
+137% +$852 ﹤0.01% 1730
2022
Q4 		$1K Buy
19
+6
+46% +$174 ﹤0.01% 1830
2022
Q3 		$0 Sell
13
-13
-50% -$424 ﹤0.01% 1934
2022
Q2 		$1K Sell
26
-175
-87% -$6.24K ﹤0.01% 1672
2022
Q1 		$7K Hold
201
– – ﹤0.01% 1398
2021
Q4 		$5K Buy
+201
New +$4.11K 0.01% 1284

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
LSV Asset Management
LSV Asset Management Chicago, Illinois $54.1B AUM 39.29% 1-Year Est. Return

Covestor's AMPH Position: Q3 2026 in Review

Covestor increased its Amphastar Pharmaceuticals (AMPH) stake by 35% in Q3 2026, buying an estimated $497 and bringing the position to 88 shares worth $2K. The position accounts for ﹤0.01% of the portfolio, ranked #1949.

Covestor first reported a position in AMPH in Q4 2021 and has held it in 20 quarters since. The position peaked at $90K in Q3 2023. 175 funds tracked by Wall St. Rank hold AMPH as of Q3 2026.

  • Covestor held 88 shares of Amphastar Pharmaceuticals worth $2K as of Q3 2026.
  • Covestor bought 23 Amphastar Pharmaceuticals shares in Q3 2026, an estimated $497.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Covestor's portfolio in Q3 2026, its #1949 holding.
  • Covestor first reported a position in Amphastar Pharmaceuticals in Q4 2021 and has held it in 20 quarters since.
  • Covestor's Amphastar Pharmaceuticals position peaked at $90K in Q3 2023.
  • 175 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q3 2026.

Based on Covestor's 13F filing for Q3 2026, filed 30 Oct 2026.