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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 2024 vs. Q3 2024

How the institutions holding Acumen Pharmaceuticals, Inc. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024All holders in Q3 2024

13F holders of ABOS: Q3 2024 compared with Q4 2024
MeasureQ3 2024Of which not filed for Q4 2024Q4 2024Change
Holders73180+8
Shares43.6M542.5M−1.07M (−2.5%)
Value$107.7M$13$73.2M−$34.5M (−32.1%)

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (16)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to ABOS in Q4 2024
InstitutionSharesValue% of portfolio
ADAR1 Capital Management, LLC94,294$162.2K0.03%
Atom Investors LP33,678$57.9K0.01%
Marex Group plc33,300$57.3K0.00%
Verition Fund Management LLC19,445$33.4K0.00%
Intech Investment Management LLC18,847$32.4K0.00%
Pinnacle Associates Ltd18,020$31.0K0.00%
Clune & Associates, Ltd.16,500$28.4K0.01%
Susquehanna Fundamental Investments, LLC14,731$25.3K0.00%
JustInvest LLC12,894$22.2K0.00%
Squarepoint Ops LLC11,815$20.3K0.00%
ProShare Advisors LLC11,812$20.3K0.00%
Integrated Wealth Concepts LLC10,100$17.4K0.00%
BNP Paribas Arbitrage, SA7,017$12.1K0.00%
Russell Investments Group, Ltd.1,237$2.13K0.00%
Simplex Trading, LLC1,191$2.00K0.00%
SBI Securities Co., Ltd.440$7570.00%

Sold out (8)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of ABOS in Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
TD Asset Management Inc139,206$345.2K
Manufacturers Life Insurance Company, The52,333$129.8K
Virtu Financial LLC22,255$55.0K
Susquehanna Portfolio Strategies, LLC21,903$54.3K
Jump Financial, LLC21,200$52.6K
Acadian Asset Management LLC18,643$46.0K
Fortitude Advisory Group L.L.C.13,300$33.0K
Capital Performance Advisors LLP52$129

Not filed for Q4 2024 yet (1)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ABOS in Q3 2024 that haven't filed for Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Planning Capital Management Corp5$13