666 institutions reported holding $5.52B of ADR National Grid PLC SpA (NGG) in SEC 13F filings for 2026-06-30. Largest institutional holders: BANK OF AMERICA CORP /DE/ ($398.8M), FMR LLC ($392.0M), JPMORGAN CHASE & CO ($310.9M), MORGAN STANLEY ($296.3M), NATIXIS ADVISORS, LLC ($202.6M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30