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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 2021 vs. Q3 2021

How the institutions holding Acumen Pharmaceuticals, Inc. changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of ABOS: Q3 2021 compared with Q4 2021
MeasureQ3 2021Of which not filed for Q4 2021Q4 2021Change
Holders41152+12
Shares24.1M153.9K25.6M+1.69M (+7.1%)
Value$357.4M$2.29M$172.9M−$182.1M (−51.3%)

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (13)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to ABOS in Q4 2021
InstitutionSharesValue% of portfolio
Deep Track Capital, LP1,933,040$13.1M0.97%
Schonfeld Strategic Advisors LLC86,543$585.0K0.01%
HRT Financial LP81,917$553.0K0.00%
Ergoteles LLC77,152$522.0K0.02%
Rex Capital Advisors, LLC65,336$442.0K0.23%
Millennium Management LLC37,163$251.0K0.00%
Renaissance Technologies LLC21,609$146.0K0.00%
Jump Financial, LLC20,097$136.0K0.01%
Squarepoint Ops LLC18,818$127.0K0.00%
Cubist Systematic Strategies, LLC11,545$78.0K0.00%
New York State Common Retirement Fund5,481$37.0K0.00%
Bedel Financial Consulting, Inc.240$2.00K0.00%
FinTrust Capital Advisors, LLC20$00.00%

Sold out (1)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of ABOS in Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
Captrust Financial Advisors78$1.00K

Not filed for Q4 2021 yet (1)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ABOS in Q3 2021 that haven't filed for Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
Marshall Wace North America L.P.153,908$2.29M