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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.

Q4 2022 vs. Q3 2022

How the institutions holding Acumen Pharmaceuticals, Inc. changed between Q3 2022 and Q4 2022.

All holders in Q4 2022All holders in Q3 2022

13F holders of ABOS: Q3 2022 compared with Q4 2022
MeasureQ3 2022Q4 2022Change
Holders5060+10
Shares27.5M28.7M+1.22M (+4.4%)
Value$275.9M$155.1M−$120.7M (−43.8%)

New holders (19)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q4 2022 but not at the end of Q3 2022.

Institutions new to ABOS in Q4 2022
InstitutionSharesValue% of portfolio
Knollwood Investment Advisory, LLC1,678,510$9.06M3.55%
Hudson Bay Capital Management LP240,000$1.30M0.02%
Two Sigma Investments, LP87,876$474.5K0.00%
Atom Investors LP62,441$337.2K0.17%
Bank of Montreal58,400$325.9K0.00%
Cheyne Capital Management (UK) LLP55,829$301.5K0.53%
Renaissance Technologies LLC32,300$174.0K0.00%
683 Capital Management, LLC31,246$168.7K0.02%
Man Group plc21,529$116.3K0.00%
Jump Financial, LLC21,239$114.7K0.01%
HRT Financial LP20,672$111.0K0.00%
Acadian Asset Management LLC15,741$85.0K0.00%
Walleye Capital LLC13,891$75.0K0.00%
Lighthouse Investment Partners, LLC11,263$60.8K0.01%
Dynamic Technology Lab Private Ltd10,525$57.0K0.01%
Jane Street Group, LLC10,198$55.1K0.00%
Intrepid Financial Planning Group LLC10,000$54.0K0.03%
Cutler Group LP3,099$16.0K0.00%
Daiwa Securities Group Inc.165$1.00K0.00%

Sold out (9)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2022 and filed for Q4 2022 without it.

Institutions that sold out of ABOS in Q4 2022
InstitutionShares, Q3 2022Value, Q3 2022
EAM Investors, LLC208,571$2.09M
Schonfeld Strategic Advisors LLC152,429$1.53M
EAM Global Investors LLC133,161$1.34M
Endurant Capital Management LP55,328$555.0K
Point72 Asset Management, L.P.40,936$411.0K
LMR Partners LLP10,092$101.0K
Fiduciary Group LLC10,000$100.0K
UBS Group AG2,687$27.0K
Spire Wealth Management2,100$21.0K