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Acumen Pharmaceuticals, Inc.

ABOS
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001576885

No open-market purchases or sales by Acumen Pharmaceuticals, Inc. insiders were filed in the last 90 days; 96 institutions reported holding it in 13F filings for Q2 2026, worth $127.8M in total; no superinvestor holds it.

Q1 2024 vs. Q4 2023

How the institutions holding Acumen Pharmaceuticals, Inc. changed between Q4 2023 and Q1 2024.

All holders in Q1 2024All holders in Q4 2023

13F holders of ABOS: Q4 2023 compared with Q1 2024
MeasureQ4 2023Q1 2024Change
Holders6780+13
Shares38.4M43.4M+4.93M (+12.8%)
Value$147.6M$175.6M+$28.0M (+18.9%)

New holders (24)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to ABOS in Q1 2024
InstitutionSharesValue% of portfolio
FMR LLC2,089,000$8.46M0.00%
Price T Rowe Associates Inc1,098,276$4.45M0.00%
TD Asset Management Inc148,800$602.6K0.00%
Bridgeway Capital Management, LLC148,400$601.0K0.01%
Wellington Management Group LLP112,258$454.6K0.00%
HRT Financial LP105,117$425.0K0.00%
New York Life Investment Management LLC95,089$385.1K0.00%
Marshall Wace, LLP89,707$363.3K0.00%
Susquehanna Fundamental Investments, LLC62,518$253.2K0.01%
Manufacturers Life Insurance Company, The60,041$243.2K0.00%
Marathon Trading Investment Management LLC60,000$243.0K0.10%
Brevan Howard Capital Management LP56,369$228.3K0.02%
Bank of Montreal31,900$131.7K0.00%
Gsa Capital Partners LLP25,370$103.0K0.01%
Omers Administration Corp23,800$96.4K0.00%
Jefferies Financial Group Inc.19,000$77.0K0.00%
Pinnacle Associates Ltd18,020$73.0K0.00%
Pinnacle Wealth Management Advisory Group, LLC18,020$73.0K0.01%
SG Americas Securities, LLC12,856$52.0K0.00%
Algert Global LLC12,410$50.3K0.00%
LMR Partners LLP11,503$46.6K0.00%
CTC Alternative Strategies, Ltd.11,100$45.0K0.03%
Sandy Spring Bank1,500$6.08K0.00%
Macquarie Group Ltd1,247$50.00%

Sold out (11)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q4 2023 and filed for Q1 2024 without it.

Institutions that sold out of ABOS in Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
D. E. Shaw & Co., Inc.138,029$530.0K
Acadian Asset Management LLC91,496$350.0K
683 Capital Management, LLC78,431$301.2K
Caption Management, LLC40,000$153.6K
Virtu Financial LLC23,787$91.0K
Simplex Trading, LLC21,422$82.0K
Occudo Quantitative Strategies LP16,929$65.0K
Global Retirement Partners, LLC2,000$7.26K
Cutler Group LP1,200$4.00K
Advisory Services Network, LLC1,000$3.84K
Zurcher Kantonalbank (Zurich Cantonalbank)413$1.59K