Acumen Pharmaceuticals, Inc.

ABOS

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

SEC filings (opens in a new tab)

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.

Q2 2024 vs. Q1 2024

How the institutions holding Acumen Pharmaceuticals, Inc. changed between Q1 2024 and Q2 2024.

All holders in Q2 2024 All holders in Q1 2024

13F holders of ABOS: Q1 2024 compared with Q2 2024
Measure	Q1 2024	Q2 2024	Change
Holders	80	81	+1
Shares	43.4M	43.6M	+215.1K (+0.5%)
Value	$175.6M	$105.5M	−$70.1M (−39.9%)

New holders (23)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q2 2024 but not at the end of Q1 2024.

Institutions new to ABOS in Q2 2024
Institution	Shares	Value	% of portfolio
Renaissance Technologies LLC	338,100	$818.2K	0.00%
Bank of New York Mellon Corp	126,422	$305.9K	0.00%
Charles Schwab Investment Management Inc	108,743	$263.2K	0.00%
Nuveen Asset Management, LLC	56,664	$137.1K	0.00%
Murchinson Ltd.	56,250	$136.1K	0.03%
D. E. Shaw & Co., Inc.	55,007	$133.1K	0.00%
Rhumbline Advisers	52,323	$126.6K	0.00%
New York State Common Retirement Fund	42,400	$102.6K	0.00%
Deutsche Bank AG	33,649	$81.4K	0.00%
Virtu Financial LLC	24,402	$59.0K	0.00%
Corebridge Financial, Inc.	22,567	$54.8K	0.00%
Invesco Ltd.	18,986	$45.9K	0.00%
Walleye Capital LLC	18,801	$45.5K	0.00%
Oxford Asset Management LLP	15,304	$37.0K	0.04%
Engineers Gate Manager LP	11,479	$27.8K	0.00%
Gladius Capital Management LP	10,939	$26.5K	0.03%
Ameritas Investment Partners, Inc.	4,110	$9.95K	0.00%
Point72 (DIFC) Ltd	4,018	$9.72K	0.00%
Legal & General Group Plc	3,635	$8.80K	0.00%
California State Teachers Retirement System	3,039	$7.35K	0.00%
Amalgamated Bank	1,451	$4.00K	0.00%
Redwood Wealth Management Group, LLC	800	$1.94K	0.00%
Planning Capital Management Corp	5	$13	0.00%

Sold out (22)

Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q1 2024 and filed for Q2 2024 without it.

Institutions that sold out of ABOS in Q2 2024
Institution	Shares, Q1 2024	Value, Q1 2024
Parkman Healthcare Partners LLC	576,657	$2.34M
Tang Capital Management LLC	246,895	$999.9K
Squarepoint Ops LLC	113,232	$458.6K
Wellington Management Group LLP	112,258	$454.6K
HRT Financial LP	105,117	$425.0K
New York Life Investment Management LLC	95,089	$385.1K
Marshall Wace, LLP	89,707	$363.3K
Balyasny Asset Management LLC	63,949	$259.0K
Brevan Howard Capital Management LP	56,369	$228.3K
Y-Intercept (Hong Kong) Ltd	37,191	$150.6K
Point72 Asia (Singapore) Pte. Ltd.	27,556	$111.6K
ExodusPoint Capital Management, LP	25,620	$104.0K
Gsa Capital Partners LLP	25,370	$103.0K
Omers Administration Corp	23,800	$96.4K
Jefferies Financial Group Inc.	19,000	$77.0K
SG Americas Securities, LLC	12,856	$52.0K
Algert Global LLC	12,410	$50.3K
LMR Partners LLP	11,503	$46.6K
CTC Alternative Strategies, Ltd.	11,100	$45.0K
Chicago Partners Investment Group LLC	13,958	$44.1K
Integrated Wealth Concepts LLC	10,100	$40.9K
Macquarie Group Ltd	1,247	$5