SEC Filing Summary: National Grid plc (Form 6-K)
Business Context and Reporting Period
This Form 6-K, filed on May 29, 2025, serves as a notification of a major interest in National Grid plc (ISIN: GB00BDR05C01). The filing discloses a change in shareholding by BlackRock, Inc., triggered by an acquisition or disposal of voting rights that crossed a regulatory threshold on May 27, 2025. The notification was received by National Grid on May 28, 2025.
Key Financial Metrics and Shareholding Data
This filing does not contain operational financial metrics such as revenue, profit, cash flow, margins, debt, or liquidity. It exclusively reports equity ownership data.
| Metric | Value |
|---|---|
| Shareholder | BlackRock, Inc. |
| Total Voting Rights Held | 392,570,833 shares |
| Total Voting Rights Percentage | 8.00% |
| Direct Voting Rights (Shares) | 232,662,657 (4.74%) |
| Voting Rights via Financial Instruments | 159,908,176 (3.26%) |
| Instrument Breakdown | Securities Lending (3.17%), ADRs (0.07%), CFDs (0.02%) |
Material Changes Versus Prior Period
BlackRock, Inc. increased its total voting interest in National Grid plc from 7.62% in the previous notification to 8.00% as of May 27, 2025.
- Direct Holdings: Increased from 7.29% to 4.74% (Note: The filing lists the previous direct position as 7.29% and the current as 4.74%, while the total increased. This suggests a shift in the composition of holdings, specifically a significant increase in financial instruments).
- Financial Instruments: Increased from 0.33% to 3.26%.
- Net Change: The total position increased by 0.38 percentage points.
Guidance, Outlook, and Risks
The filing contains no management commentary, financial guidance, outlook, or discussion of operational risks. It is a regulatory disclosure required under the Disclosure and Transparency Rules (DTR) regarding the notification of major holdings. No unusual items or contingencies related to the company's operations are mentioned.
Key Facts for Investor Verification
- Verify the exact date the 8% threshold was crossed (May 27, 2025) against market trading data.
- Confirm the composition of the 3.26% held via financial instruments, noting the majority is attributed to securities lending (3.17%).
- Review the chain of controlled undertakings listed in the filing to understand the specific BlackRock entities holding the shares.
- Note that this filing does not reflect National Grid's operational performance or financial health for the period.