National Grid PLC (NMKBP) shareholders
NMKBPOTCNatural Gas TransmissionFiscal year ends March 31Also trades as NEWEN, NGG, NGGTF, NMKCP, NMPWP
$57.40−0.50 (-0.86%)
Close on Oct 19, 2026Market cap $59.68BP/E 13.2Yield –
Ownership
Who owns National Grid's shares
Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 417,986,299 | 8.50% | 13G (passive) amendment | Mar 31, 2025 |
Short interest
Shares sold short and not yet bought back, as of Sep 15, 2026 (FINRA, reported twice a month)
Short % of shares outstanding
–
0M shares short
Days to cover
1.0
At 0M shares a day
Change since last report
-66.7%
From 0M shares
Short volume, 0 days
–
Of volume reported to FINRA
Shares sold short, last 8 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of National Grid's stock actually held short. No settlement fails above the SEC's reporting threshold in the last 90 days.