National Grid PLC
NGG- Exchange
- NYSE
- Industry
- Natural Gas Transmission
- SEC CIK
- 0001004315
No open-market purchases or sales by National Grid PLC insiders were filed in the last 90 days; 619 institutions reported holding it in 13F filings for Q2 2026, worth $5.38B in total; no superinvestor holds it.
Holders of 5% or more of NGG
Holders whose latest Schedule 13D or 13G filing reports 5% or more of National Grid PLC, largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of National Grid PLC on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on National Grid PLC, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jan 25, 20241:48 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Baird Robert W & Co Inc | 13G/AOld format | – | – | – | SEC |
| Jan 25, 202310:36 AM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| Feb 14, 2022 | Baird Robert W & Co Inc | 13GOld format | – | New | – | SEC |
| Feb 1, 20225:08 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 29, 20215:21 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell National Grid PLC shares.
No Form 144 notices for National Grid PLC are on file.