NATIONAL GRID PLC

Ticker: NGG CUSIP: 636274409 Class: SPONSORED ADR NE

FACTORY MUTUAL INSURANCE CO's Holding History (CIK: 0000887818)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 60,957 Value ($000) $4,715 Avg Close — Range —
Q3 2025
Shares 60,957 Value ($000) $4,430 Avg Close — Range —