NGG (National Grid plc) historical data

STOCKListed1-minute bars

SymbolNGG
NameNational Grid plc
ExchangeNYSE
SectorUtilities
IndustryRegulated Electric
IPO date2005-08-10
History2005-08-11 to 2026-10-09 (about 21 years)
Bar sizesDaily, hourly, 5-minute and 1-minute
AdjustmentsUnadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read
SurvivorshipIncluded in the survivorship-free universe
Free tierLast 12 months of daily bars

Price history at a glance

NGG last closed at $76.48 on 2026-10-09, +10.1% over the past year and +82.7% over five years. Its deepest fall from a prior high in this history was -54.9%, reached on 2009-03-30.

Last close$76.48 (2026-10-09)
1-year change+10.1%
5-year change+82.7%
Annualized since 2005-08-11+8.7%
52-week range$69.43 – $91.52
Deepest drawdown-54.9% (2009-03-30)
Avg. daily dollar volume (3 months)$66.1m
Daily bars in history5,323

Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.

Institutional ownership (13F, 2026Q2)

Managers holding614
Shares held64,976,004 ($5.4bn reported value)
Quarter flows77 new, 274 added, 162 trimmed, 52 exited; +4,053,416 shares vs the prior quarter

From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("NGG") on the look-back bundles. Top holders of NGG · All 13F managers

Short interest (2026-09-30)

Shares short1,106,391 (-22.6% vs prior report)
Days to cover1.13

NGG short interest history · Utilities sector

Get it in Python

import finzdata as yf
df = yf.Ticker("NGG").history(start="2005-08-11", interval="1d")
df.tail()

Get a free API keySee history bundlesDownload free samples