Companies: 10,795·Total market cap: $144.5T
National Grid plc

National Grid plc

NGGNYSEUtilities● Active
$80.20
$-1.67(-2.03%)
Market Cap$79.9B
P/E Ratio
52W High$94.64
52W Low$67.52

National Grid plc (NGG) Stock Splits

Forward and reverse split history, cumulative multiple, latest ratio, and share calculator on this tab.

FMP · NGG · as of Jun 8, 2026

Key split metrics

Total Splits2Since IPO (Aug 10, 2005)
Most Recent SplitMay 22, 2017Reverse · 229-for-250
Cumulative Multiple×0.80331 share (2005) → 0.8033 shares today

Latest Split Event

Reverse Split
May 22, 2017
BEFORE SPLIT$68.88Closing price · May 19, 2017
229-for-250
AFTER SPLIT$69.26Opening price · May 22, 2017
Every 250 shares were consolidated into 1 share.·Total market cap unchanged.·Source: FMP · Historical EOD

Stock Split History

NGG · 2 records
DateRatioTypeMultipleCumulative
May 22, 2017229-for-250Reverse×0.916×0.803
Aug 1, 2005877-for-1000Reverse×0.877×0.877
2 splits since IPO · Aug 10, 2005Data: Financial Modeling Prep · Updated daily

Stock Split Calculator

If you bought 100 shares purchased of NGG on Jan 1, 2020 — how many shares would you hold today after all splits?

ORIGINAL SHARES100
SHARES TODAY100
Splits Applied0
Total Multiplier×1.00
Split Period
Splits applied:No splits occurred after this date
Based on purchase date Jan 1, 2020Share count only · excludes price / dividendsSource: FMP

This calculator shows how stock splits affected share count only. It does not reflect current market value, dividend payments, or transaction costs. Past splits do not guarantee future performance.

About reverse stock split history

National Grid plc (NGG) has undergone 2 reverse stock splits. The most recent was a 229-for-250 reverse split on May 22, 2017. Reverse splits consolidate shares to increase the per-share price.

Frequently asked questions

National Grid plc (NGG) has undergone 2 reverse stock splits. Reverse splits consolidate shares, reducing share count while increasing the per-share price.

NGG reverse stock split historyhow many reverse splits for NGGNGG stock split countcumulative split multiple
Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.