Bank of America
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Bank of America’s Acumen Pharmaceuticals ABOS Stock Holding History

Bank of America’s Portfolio ABOS Stock Details ABOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$756K Buy
320,216
+80,064
+33% +$204K ﹤0.01% 4669
2025
Q4 		$507K Buy
240,152
+26,423
+12% +$52.4K ﹤0.01% 4907
2025
Q3 		$365K Buy
213,729
+66,720
+45% +$92.3K ﹤0.01% 5970
2025
Q2 		$171K Sell
147,009
-11,925
-8% -$12.8K ﹤0.01% 6256
2025
Q1 		$175K Buy
158,934
+10,266
+7% +$14.7K ﹤0.01% 6251
2024
Q4 		$256K Buy
148,668
+9,944
+7% +$23.9K ﹤0.01% 5982
2024
Q3 		$344K Buy
138,724
+15,999
+13% +$43.4K ﹤0.01% 5722
2024
Q2 		$297K Buy
122,725
+42,109
+52% +$134K ﹤0.01% 5666
2024
Q1 		$326K Sell
80,616
-23,753
-23% -$89.5K ﹤0.01% 5605
2023
Q4 		$401K Buy
104,369
+87,894
+533% +$261K ﹤0.01% 5646
2023
Q3 		$68.4K Buy
16,475
+732
+5% +$4.52K ﹤0.01% 6397
2023
Q2 		$75.7K Sell
15,743
-12,102
-43% -$57.9K ﹤0.01% 6312
2023
Q1 		$113K Sell
27,845
-10,769
-28% -$56.2K ﹤0.01% 6210
2022
Q4 		$209K Buy
38,614
+16,041
+71% +$108K ﹤0.01% 5887
2022
Q3 		$226K Sell
22,573
-5,553
-20% -$31.9K ﹤0.01% 5911
2022
Q2 		$132K Buy
28,126
+2,071
+8% +$7.78K ﹤0.01% 6334
2022
Q1 		$102K Buy
26,055
+4,960
+24% +$27K ﹤0.01% 6852
2021
Q4 		$143K Buy
21,095
+20,105
+2,031% +$221K ﹤0.01% 6688
2021
Q3 		$14K Buy
+990
New +$16.5K ﹤0.01% 7483

Other funds holding ABOS

RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
SCV
Sands Capital Ventures Arlington, Virginia $421M AUM 26.25% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
KIA
Knollwood Investment Advisory Hunt Valley, Maryland $992M AUM 28.95% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $1.23B AUM 600.17% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return

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

Bank of America increased its Acumen Pharmaceuticals (ABOS) stake by 33% in Q1 2026, buying an estimated $204K and bringing the position to 320,216 shares worth $756K. The position accounts for ﹤0.01% of the portfolio, ranked #4669.

Bank of America first reported a position in ABOS in Q3 2021 and has held it in 19 quarters since. 84 funds tracked by Wall St. Rank hold ABOS as of Q1 2026.

  • Bank of America held 320,216 shares of Acumen Pharmaceuticals worth $756K as of Q1 2026.
  • Bank of America bought 80,064 Acumen Pharmaceuticals shares in Q1 2026, an estimated $204K.
  • Acumen Pharmaceuticals made up ﹤0.01% of Bank of America's portfolio in Q1 2026, its #4669 holding.
  • Bank of America first reported a position in Acumen Pharmaceuticals in Q3 2021 and has held it in 19 quarters since.
  • 84 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q1 2026.

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