Acumen Pharmaceuticals, Inc. - ABOS

Sector: Healthcare · Industry: Biological Products, (No Diagnostic Substances)
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Quarter snapshot

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Q3 2026 · Q2 2026
Value (USD)
Total reported value ($000)
$127.8M
QoQ value delta ($000)
-$101K (-0.08%)
Implied price effect (QoQ)
-0.02%
Shares
Total shares
47,888,647
QoQ shares delta
-27,515 (-0.06%)
Total shares held by funds (by quarter)
Shares (left)

Fund holders include prior positions carried forward until a new 13F confirms a change. Reported holders have reported a position in this security for that quarter; this is not the total number of 13F filers.

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Top holders (Q3 2026)

Top 25 only Full list
Partial Q3 2026 data: 12 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.
Manager Value ($000) Shares % of 13F
RA CAPITAL MANAGEMENT, L.P. 56,050 20,992,669 0.49%
Sands Capital Alternatives, LLC 9,932 3,720,105 1.62%
BlackRock, Inc. 6,648 2,490,115 0.0%
Alyeska Investment Group, L.P. 6,554 2,454,754 0.02%
FRANKLIN RESOURCES INC 6,154 2,305,096 0.0%
ADAR1 Capital Management, LLC 5,637 2,111,334 0.26%
VANGUARD CAPITAL MANAGEMENT LLC 4,464 1,672,072 0.0%
Knollwood Investment Advisory, LLC 4,348 1,628,510 0.39%
GEODE CAPITAL MANAGEMENT, LLC 3,049 1,141,858 0.0%
Ikarian Capital, LLC 2,813 1,053,797 0.3%
Hudson Bay Capital Management LP 2,549 955,000 0.01%
Pathstone Holdings, LLC 2,293 859,110 0.01%
RENAISSANCE TECHNOLOGIES LLC 1,802 675,025 0.0%
TWO SIGMA INVESTMENTS, LP 1,663 622,882 0.0%
STATE STREET CORP 1,603 600,528 0.0%
NORTHERN TRUST CORP 963 360,744 0.0%
VANGUARD PORTFOLIO MANAGEMENT LLC 856 320,795 0.0%
DIMENSIONAL FUND ADVISORS LP 778 291,559 0.0%
VANGUARD FIDUCIARY TRUST CO 777 291,240 0.0%
BANK OF AMERICA CORP /DE/ 733 274,781 0.0%
BOOTHBAY FUND MANAGEMENT, LLC 728 273,012 0.01%
ACADIAN ASSET MANAGEMENT LLC 718 270,338 0.0%
NOMURA HOLDINGS INC 506 189,712 0.0%
SUSQUEHANNA INTERNATIONAL GROUP, LLP 495 185,504 0.0%
GOLDMAN SACHS GROUP INC 491 183,927 0.0%