13F

Stock

Amentum Holdings, Inc.

AMTM · held by 8 managers

Reported value

$33.6M

Holders

8

+0 new · −0 exited

Holders’ est. mark

−$252.2K

Price effect on 6 books still in the name

Largest holder

$31.2M

NORGES BANK

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
NORGES BANK1.72M$31.2MHeld
BARCLAYS PLC55.5K$1.01M−$157.1KCut−$2.56M
Pine Valley Investments Ltd Liability Co39.8K$724.7KHeld
National Philanthropic Trust33K$601K−$93.4KCut−$422.4K
CHESAPEAKE ASSET MANAGEMENT LLC550$10K−$1.56KCut−$298.6K
Medallion Wealth Advisors, LLC170$3.09K$0Held
Prestige Wealth Management Group LLC14$255−$40Cut−$40
Leonteq Securities AG13$236−$38Cut−$227

Positions as of Q1 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.