962 institutions reported holding $10.46B of LEIDOS HOLDINGS INC (LDOS) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($1.53B), BlackRock, Inc. ($1.02B), STATE STREET CORP ($646.4M), JPMORGAN CHASE & CO ($385.0M), GEODE CAPITAL MANAGEMENT, LLC ($376.8M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30