NATIONAL GRID PLC
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SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
5%+ owners
SEC Schedule 13D / 13G · last 3 yrs- Blackrock, Inc.Passive (13G)Apr 23, 2025
Holders who disclosed a 5%+ stake. 13D signals intent to influence or control; 13G is a passive holding. Latest filing per holder — open it for the exact stake.
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 1.5M | 1.0 | +44.0% |
| Apr 30, 2026 | 1.0M | 1.1 | +3.2% |
| Apr 15, 2026 | 979,513 | 1.2 | -1.5% |
| Mar 31, 2026 | 994,540 | 1.0 | -40.1% |
| Mar 13, 2026 | 1.7M | 1.3 | -18.4% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.
Recent SEC filings
All filings ↗- 6-KBATCH FILINGMay 29, 2026
- 6-KFY2026 FULL YEAR RESULTS STATEMENTMay 14, 2026
- 6-KBATCH FILINGApr 30, 2026
- 6-KPRE-CLOSE UPDATE AHEAD OF 25/26 FULL YEAR RESULTSApr 13, 2026
- 6-KBATCH FILINGMar 31, 2026
- 6-KUPGRADED 5-YEAR FRAMEWORK AND RIIO-T3 ACCEPTANCEMar 2, 2026
- S-8Feb 27, 2026
- 6-KBATCH FILINGFeb 27, 2026
- 6-KBATCH FILINGJan 30, 2026
- 6-KPUBLICATION OF A SUPPLEMENTARY PROSPECTUSJan 23, 2026
- 6-KVOTING RIGHTS AND CAPITAL UPDATEJan 14, 2026
- 6-KNATIONAL GRID PLC SCRIP DIVIDENDJan 12, 2026
- 6-KNATIONAL GRID PLC SCRIP DIVIDENDJan 12, 2026
- 6-KPRIMARY DOCUMENTDec 31, 2025
- 6-KOUTCOME OF AUDIT TENDER PROCESSDec 11, 2025
Event-driven situations (1)
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