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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.

Q3 2023 vs. Q2 2023

How the institutions holding Acumen Pharmaceuticals, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of ABOS: Q2 2023 compared with Q3 2023
MeasureQ2 2023Q3 2023Change
Holders5366+13
Shares26.3M43.2M+16.9M (+64.0%)
Value$126.6M$179.2M+$52.6M (+41.5%)

New holders (25)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to ABOS in Q3 2023
InstitutionSharesValue% of portfolio
Franklin Resources Inc2,838,765$11.8M0.01%
Rock Springs Capital Management LP2,812,579$11.7M0.31%
Boxer Capital, LLC2,206,983$9.16M0.49%
Altium Capital Management LP650,000$2.70M1.56%
Schonfeld Strategic Advisors LLC645,112$2.68M0.02%
Alyeska Investment Group, L.P.613,822$2.55M0.02%
Parkman Healthcare Partners LLC499,814$2.07M0.38%
Susquehanna International Group, LLP177,779$737.8K0.00%
Ghost Tree Capital, LLC150,000$622.5K0.30%
Wellington Management Group LLP104,359$433.1K0.00%
DekaBank Deutsche Girozentrale40,000$167.0K0.00%
Caption Management, LLC40,000$166.0K0.02%
Jump Financial, LLC33,900$140.7K0.01%
Qube Research & Technologies Ltd26,113$108.4K0.00%
Marshall Wace, LLP25,492$105.8K0.00%
Verition Fund Management LLC23,500$97.5K0.00%
Two Sigma Advisers, LP20,088$83.4K0.00%
Jane Street Group, LLC16,788$69.7K0.00%
XTX Topco Ltd16,538$68.6K0.01%
American Century Companies Inc13,816$57.3K0.00%
Integrated Wealth Concepts LLC13,600$56.4K0.00%
Chicago Partners Investment Group LLC13,579$44.9K0.00%
Zurcher Kantonalbank (Zurich Cantonalbank)3,393$14.1K0.00%
Advisor Group Holdings, Inc.200$8300.00%
UBS Group AG100$4150.00%

Sold out (12)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of ABOS in Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
WMS Partners, LLC98,301$472.8K
J. Goldman & Co LP62,986$303.0K
D. E. Shaw & Co., Inc.60,504$291.0K
Group One Trading, L.P.32,800$157.8K
Prelude Capital Management, LLC31,100$149.6K
Balyasny Asset Management LLC30,222$145.4K
LMR Partners LLP14,663$70.5K
Cubist Systematic Strategies, LLC13,116$63.1K
Belvedere Trading LLC12,931$62.2K
BIT Capital GmbH11,618$55.9K
Squarepoint Ops LLC10,445$50.2K
Federation des caisses Desjardins du Quebec892$4.29K