13F

Stock

Acumen Pharmaceuticals, Inc.

ABOS · held by 5 managers

Reported value

$1.93M

Holders

5

+0 new · −0 exited

Holders’ est. mark

$22.6K

Price effect on 2 books still in the name

Largest holder

$1.24M

Hudson Bay Capital Management LP

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Hudson Bay Capital Management LP725K$1.24MHeld
BANK OF AMERICA CORP /DE/213.7K$365.5KHeld
MORGAN STANLEY149.4K$255.5KHeld
BARCLAYS PLC30K$51.3K$16.5KAdded$16.5K
Savant Capital, LLC11K$18.9K$6.07KAdded$6.07K

Positions as of Q3 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.