Osaic Holdings
AMPH icon

Osaic Holdings’s Amphastar Pharmaceuticals AMPH Stock Holding History

Osaic Holdings’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 		$255K Buy
13,040
+186
+1% +$4.55K ﹤0.01% 3947
2025
Q4 		$344K Sell
12,854
-18,760
-59% -$483K ﹤0.01% 3669
2025
Q3 		$892K Buy
31,614
+16,378
+107% +$423K ﹤0.01% 2905
2025
Q2 		$357K Sell
15,236
-906
-6% -$22.5K ﹤0.01% 3447
2025
Q1 		$468K Sell
16,142
-58
-0.4% -$1.85K ﹤0.01% 2938
2024
Q4 		$602K Sell
16,200
-19,263
-54% -$881K ﹤0.01% 2617
2024
Q3 		$1.72M Buy
35,463
+14,696
+71% +$645K ﹤0.01% 1825
2024
Q2 		$831K Sell
20,767
-23,835
-53% -$988K ﹤0.01% 2342
2024
Q1 		$1.96M Buy
44,602
+32,232
+261% +$1.66M ﹤0.01% 1713
2023
Q4 		$765K Buy
12,370
+3,985
+48% +$209K ﹤0.01% 2780
2023
Q3 		$386K Sell
8,385
-2,271
-21% -$124K ﹤0.01% 3477
2023
Q2 		$612K Buy
10,656
+8,912
+511% +$395K ﹤0.01% 2966
2023
Q1 		$65.4K Buy
1,744
+42
+2% +$1.38K ﹤0.01% 4778
2022
Q4 		$47K Sell
1,702
-99
-5% -$2.88K ﹤0.01% 4983
2022
Q3 		$50K Sell
1,801
-1,907
-51% -$62.3K ﹤0.01% 4895
2022
Q2 		$129K Sell
3,708
-26,186
-88% -$934K ﹤0.01% 4190
2022
Q1 		$1.1M Buy
29,894
+27,583
+1,194% +$782K ﹤0.01% 2481
2021
Q4 		$54K Buy
2,311
+1,753
+314% +$35.8K ﹤0.01% 5081
2021
Q3 		$11K Sell
558
-236
-30% -$4.62K ﹤0.01% 6127
2021
Q2 		$16K Buy
794
+749
+1,664% +$14.1K ﹤0.01% 5783
2021
Q1 		$1K Hold
45
– – ﹤0.01% 6602
2020
Q4 		$1K Sell
45
-445
-91% -$8.66K ﹤0.01% 6165
2020
Q3 		$10K Sell
490
-152
-24% -$3.06K ﹤0.01% 5251
2020
Q2 		$14K Sell
642
-433
-40% -$7.93K ﹤0.01% 4992
2020
Q1 		$16K Buy
+1,075
New +$18.7K ﹤0.01% 4751

Other funds holding AMPH

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
TD Asset Management
TD Asset Management Toronto, Ontario, Canada $123B AUM 34.51% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $12.2B AUM 12.45% 1-Year Est. Return

Osaic Holdings's AMPH Position: Q1 2026 in Review

Osaic Holdings increased its Amphastar Pharmaceuticals (AMPH) stake by 1.4% in Q1 2026, buying an estimated $4.55K and bringing the position to 13,040 shares worth $255K. The position accounts for ﹤0.01% of the portfolio, ranked #3947.

Osaic Holdings first reported a position in AMPH in Q1 2020 and has held it in 25 quarters since. The position peaked at $1.96M in Q1 2024. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.

  • Osaic Holdings held 13,040 shares of Amphastar Pharmaceuticals worth $255K as of Q1 2026.
  • Osaic Holdings bought 186 Amphastar Pharmaceuticals shares in Q1 2026, an estimated $4.55K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Osaic Holdings's portfolio in Q1 2026, its #3947 holding.
  • Osaic Holdings first reported a position in Amphastar Pharmaceuticals in Q1 2020 and has held it in 25 quarters since.
  • Osaic Holdings's Amphastar Pharmaceuticals position peaked at $1.96M in Q1 2024.
  • 215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.

Based on Osaic Holdings's 13F filing for Q1 2026, filed 15 May 2026.