13F

Stock

Amentum Holdings, Inc.

AMTM · held by 8 managers

Reported value

$3.17M

Holders

8

+1 new · −0 exited

Holders’ est. mark

$661.5K

Price effect on 6 books still in the name

Largest holder

$1.16M

BARCLAYS PLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BARCLAYS PLC49.2K$1.16M$266.4KAdded$152.4K
Pine Valley Investments Ltd Liability Co44.6K$1.05M$215.4KAdded$328.7K
National Philanthropic Trust33.8K$798.7K$178.6KAdded$197.7K
Essential Partners LLC4.04K$95.4KHeld
Leonteq Securities AG2.02K$47.7K$71Added$47.4K
Medallion Wealth Advisors, LLC180$4.25K$920Added$1.16K
VIRTUS ADVISERS, LLC121$2.86KNew
Prestige Wealth Management Group LLC14$331$76Added$76

Positions as of Q2 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.