Bank of America
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Bank of America’s Amphastar Pharmaceuticals AMPH Stock Holding History

Bank of America’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 		$3.41M Buy
174,323
+46,149
+36% +$1.13M ﹤0.01% 3746
2025
Q4 		$3.43M Buy
128,174
+1,077
+0.8% +$27.7K ﹤0.01% 3672
2025
Q3 		$3.39M Sell
127,097
-18,028
-12% -$466K ﹤0.01% 4371
2025
Q2 		$3.33M Buy
145,125
+38,435
+36% +$954K ﹤0.01% 4300
2025
Q1 		$3.09M Sell
106,690
-5,404
-5% -$173K ﹤0.01% 4283
2024
Q4 		$4.16M Sell
112,094
-46,037
-29% -$2.11M ﹤0.01% 3765
2024
Q3 		$7.67M Buy
158,131
+2,864
+2% +$126K ﹤0.01% 3328
2024
Q2 		$6.21M Buy
155,267
+29,888
+24% +$1.24M ﹤0.01% 3421
2024
Q1 		$5.51M Sell
125,379
-90,153
-42% -$4.66M ﹤0.01% 3518
2023
Q4 		$13.3M Buy
215,532
+80,700
+60% +$4.24M ﹤0.01% 2569
2023
Q3 		$6.2M Buy
134,832
+6,518
+5% +$356K ﹤0.01% 3210
2023
Q2 		$7.37M Sell
128,314
-162,423
-56% -$7.2M ﹤0.01% 3020
2023
Q1 		$10.9M Buy
290,737
+225,728
+347% +$7.4M ﹤0.01% 2739
2022
Q4 		$1.82M Sell
65,009
-23,758
-27% -$690K ﹤0.01% 4336
2022
Q3 		$2.5M Buy
88,767
+4,860
+6% +$159K ﹤0.01% 4070
2022
Q2 		$2.92M Buy
83,907
+22,678
+37% +$809K ﹤0.01% 3948
2022
Q1 		$2.2M Buy
61,229
+4,904
+9% +$139K ﹤0.01% 4492
2021
Q4 		$1.31M Sell
56,325
-442
-0.8% -$9.04K ﹤0.01% 4986
2021
Q3 		$1.08M Sell
56,767
-6,169
-10% -$121K ﹤0.01% 4990
2021
Q2 		$1.27M Sell
62,936
-3,678
-6% -$69.3K ﹤0.01% 4701
2021
Q1 		$1.22M Sell
66,614
-33,670
-34% -$626K ﹤0.01% 4669
2020
Q4 		$2.02M Sell
100,284
-16,455
-14% -$320K ﹤0.01% 3944
2020
Q3 		$2.19M Sell
116,739
-2,118
-2% -$42.6K ﹤0.01% 3609
2020
Q2 		$2.67M Buy
118,857
+62,472
+111% +$1.14M ﹤0.01% 3393
2020
Q1 		$837K Buy
56,385
+20,779
+58% +$362K ﹤0.01% 4126
2019
Q4 		$687K Sell
35,606
-73,615
-67% -$1.41M ﹤0.01% 4783
2019
Q3 		$2.17M Buy
109,221
+56,202
+106% +$1.17M ﹤0.01% 3973
2019
Q2 		$1.12M Sell
53,019
-19,135
-27% -$400K ﹤0.01% 4488
2019
Q1 		$1.47M Buy
72,154
+49,346
+216% +$1.11M ﹤0.01% 4227
2018
Q4 		$454K Buy
22,808
+8,445
+59% +$166K ﹤0.01% 4994
2018
Q3 		$276K Buy
14,363
+1,702
+13% +$30.3K ﹤0.01% 5306
2018
Q2 		$194K Sell
12,661
-5,265
-29% -$92K ﹤0.01% 5428
2018
Q1 		$335K Buy
17,926
+5,464
+44% +$103K ﹤0.01% 5078
2017
Q4 		$240K Sell
12,462
-41,439
-77% -$774K ﹤0.01% 5327
2017
Q3 		$963K Sell
53,901
-571
-1% -$9.39K ﹤0.01% 4532
2017
Q2 		$973K Sell
54,472
-14,603
-21% -$232K ﹤0.01% 4456
2017
Q1 		$1M Buy
69,075
+30,519
+79% +$480K ﹤0.01% 4426
2016
Q4 		$710K Buy
38,556
+26,577
+222% +$517K ﹤0.01% 4577
2016
Q3 		$227K Sell
11,979
-781
-6% -$14.2K ﹤0.01% 5056
2016
Q2 		$205K Buy
12,760
+11,235
+737% +$159K ﹤0.01% 5186
2016
Q1 		$18K Sell
1,525
-8,265
-84% -$97.4K ﹤0.01% 6170
2015
Q4 		$140K Buy
9,790
+8,090
+476% +$107K ﹤0.01% 5574
2015
Q3 		$20K Sell
1,700
-1,379
-45% -$20.7K ﹤0.01% 6305
2015
Q2 		$54K Buy
3,079
+3,039
+7,598% +$47.4K ﹤0.01% 5896
2015
Q1 		$1K Buy
+40
New +$535 ﹤0.01% 6769

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

Bank of America's AMPH Position: Q1 2026 in Review

Bank of America increased its Amphastar Pharmaceuticals (AMPH) stake by 36% in Q1 2026, buying an estimated $1.13M and bringing the position to 174,323 shares worth $3.41M. The position accounts for ﹤0.01% of the portfolio, ranked #3746.

Bank of America first reported a position in AMPH in Q1 2015 and has held it in 45 quarters since. The position peaked at $13.3M in Q4 2023. 215 funds tracked by Wall St. Rank hold AMPH as of Q1 2026.

  • Bank of America held 174,323 shares of Amphastar Pharmaceuticals worth $3.41M as of Q1 2026.
  • Bank of America bought 46,149 Amphastar Pharmaceuticals shares in Q1 2026, an estimated $1.13M.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Bank of America's portfolio in Q1 2026, its #3746 holding.
  • Bank of America first reported a position in Amphastar Pharmaceuticals in Q1 2015 and has held it in 45 quarters since.
  • Bank of America's Amphastar Pharmaceuticals position peaked at $13.3M in Q4 2023.
  • 215 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2026.

Based on Bank of America's 13F filing for Q1 2026, filed 18 May 2026.