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NGG · National Grid Plc
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NGG National Grid (NGG) Insider Trading, Ownership & Congress Trades

Utilities · Natural gas transmission · CIK 0001004315
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
356
13F, latest reported quarter

What the filings say about NGG

Congress, 1 year
No trades
Last one: sale, 2025-09-23

National Grid insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for NATIONAL GRID PLC in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.

Foreign private issuer: its insiders are exempt from SEC Form 4 and report in the home market, so their buys and sells do not appear here.

Insider
Filed
Shares
Value
Since filing

no insider purchases or sales on record

0 transactions on record
Showing the latest few. to use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
356 funds bought in last quarter
more than 69% of Utilities
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
<0.1% of shares outstanding short · 1.1 days to cover · settled 2026-09-30
below 92% of Utilities
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch NGG

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

Who owns NGG: institutional holders (13F)

13F holdings, latest reported quarter
$398.8M
4,730,132 sh
$392.0M
$310.9M
3,575,054 sh
$296.3M
$198.7M

Congress trades in NGG

STOCK Act disclosures, US House only, filed up to 45 days after the trade
Sold 2025-09-23 · disclosed 17 days later
$1,001 - $15,000
Sold 2025-07-10 · disclosed 34 days later
$1,001 - $15,000
Bought 2025-06-24 · disclosed 50 days later
$1,001 - $15,000
Bought 2024-10-29 · disclosed 318 days later
$1,001 - $15,000

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

NGG planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

NGG mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Harrison Street Infrastructure Active ETF
$5.3M position · as of 2026-06-30
5.0%
Global X U.S. Electrification ETF
$17.5M position · as of 2026-07-31
3.8%
First Sentier Global Listed Infrastructure Fund
$5.4M position · as of 2026-06-30
3.5%
JOHCM International Opportunities Fund
$15.8M position · as of 2026-06-30
3.4%
Hennessy Gas Utility Fund
$15.4M position · as of 2026-07-31
3.0%
PROFUND VP EUROPE 30
$454.0K position · as of 2026-06-30
2.7%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Government contracts
Award ceilings over the contract's life, subsidiaries included. Not annual revenue (USASpending.gov).
Department Of Veterans Affairs
OTHER FUNCTIONS - VISN 2 BUFFALO VA MEDICAL CENTER UTILITY ENERGY SERVICE CONTRACT (UESC) · 2019-09-20
$39.4M
Federal awards ≥ $25M in the last 90 days, matched via the SAM.gov parent registry
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows 356 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Same sector, ranked by filing activity
Sector by SEC SIC code

NGG financials

Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-032024-032023-032022-03
Net income$2.9B$2.3B$7.8B$2.4B
SEC XBRL, fiscal years, as known on 2026-10-28

NGG Stock Sonar score 2/7 axes

Find similar shapesCompare
Institutional and government
40
Inputs
  • Funds adding, latest quarter356 · 69 pct, sector of 121
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quarters$90K · 10 pct, sector of 60
Risk and compliance
94
Inputs
  • Short interest, % of shares outstanding (no float on file)+0.0% · 94 pct, sector of 162
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-Kneeds two 10-Ks with a Risk Factors section (not 20-F filers or stubs)
5 not measured: Profitability, Financial health, Growth, Insider conviction, US patents
  • Profitability needs 2 of 4 inputs, 0 present: fewer than four consecutive quarters of net income; fewer than four consecutive quarters of operating income
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

2 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

NGG filings, in plain words

Have members of Congress traded NGG?

Yes, but not in the year to 2026-10-28; the latest on record is a sale by Valerie Hoyle dated 2025-09-23.

Read the full summary

Members of Congress have disclosed trades in NGG, none in the last year; the latest on record is a sale by Valerie Hoyle dated 2025-09-23. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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