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

National Grid plc

NGGNYSEUtilities● Active
$80.27
$-1.59(-1.94%)
Market Cap$79.9B
P/E Ratio—
52W High$94.64
52W Low$67.52
Shares OutstandingFinancialsRevenue

National Grid plc (NGG) Shares Outstanding — Overview

Basic and diluted weighted average shares, YoY change, float context, and historical trend from SEC filings and FMP.

NGG · shares outstanding · updated Jun 8, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
989.2M▲ +5.08% YoY Change
FY · as of Mar 31, 2026 · Reported in GBP
vs 941.4M in FY 2025
Diluted Shares Outstanding
994.2M
incl. options, RSUs, convertibles
Dilution Spread
+0.51%
Diluted vs Basic
YoY Change
+5.08%
year-over-year
Float (Free Float)
984.6M
publicly tradable shares
98.9% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-08

Shares Outstanding Growth Rate

3-Year CAGRincreasing
+7.5%
2023 → 2026
5-Year CAGRincreasing
+4.8%
2021 → 2026
10-Year CAGRincreasing
+2.8%
2016 → 2026
ⓘ

Negative CAGR typically indicates share buyback or retirement activity. Interpret alongside Splits and Financials tabs. Splits / Financials

Shares outstanding history

↓ Decrease — typically buyback / retirement
↑ Increase — issuance / equity compensation
Latest
* most recent reported · FMP /income-statement · weightedAverageShsOut

Annual shares outstanding by year

FY 2026Latest
Diluted Shares: 994.2M
989.2M
+5.08%
FY 2025
Diluted Shares: 945.8M
941.4M
+17.18%
FY 2024
Diluted Shares: 807.1M
803.4M
+0.90%
FY 2023
Diluted Shares: 799.9M
796.2M
+1.67%
FY 2022
Diluted Shares: 786.8M
783.1M
+0.00%
FMP /income-statement · weightedAverageShsOut · weightedAverageShsOutDilUnit: Billions (B)

Utilities sector shares outstanding comparison

Shares Outstanding for similar companies or competitors in the Utilities sector.

#SymbolCompanyShares (Basic)vs NGG
#1
NextEra Energy, Inc.NEE
NextEra Energy, Inc.
2.089B+111.2%
#2
The Southern CompanySO
The Southern Company
1.103B+11.5%
#3
National Grid plcNGG
National Grid plcYOU
989.2M—
#4
Duke Energy CorporationDUK
Duke Energy Corporation
777.0M-21.5%
#5
American Electric Power Company, Inc.AEP
American Electric Power Company, Inc.
518.9M-47.5%
#6
Constellation Energy CorporationCEG
Constellation Energy Corporation
313.0M-68.4%
#7
GE Vernova Inc.GEV
GE Vernova Inc.
272.0M-72.5%

/company-screener · per-peer /income-statement · cache 86400s

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

National Grid plc (NGG) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of March 31, 2026, National Grid plc reports 989.2M basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

National Grid plc's basic shares outstanding (989.2M) represents currently issued shares. Diluted shares outstanding (994.2M) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.51%.

Shares Outstanding vs. Float (Free Float)

National Grid plc's float is 984.6M (98.9% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float984.6M(98.9%)
Outstanding995.8M

ⓘ Float data from /shares-float reflects the most recent SEC filing period-end. The weighted average shares (from /income-statement) may differ — this is a normal reporting window difference, not a data error.

FMP /income-statement · /shares-float · SEC EDGAR · GBP

About shares outstanding & methodology

National Grid plc (NGG) shares outstanding history from 2007 to 2026. Shares outstanding can be defined as the total number of shares held by all shareholders — including institutional investors, retail investors, and company insiders — assuming conversion of all convertible debt, securities, warrants, and options. This metric excludes the company's treasury shares.

National Grid plc shares outstanding for the fiscal year ending March 31, 2026 were 989.2M, a 5.08% increase year-over-year. National Grid plc FY 2026 shares outstanding were 989.2M, a +5.08% increase from FY 2025.

National Grid plc is a leading company operating in the Utilities sector. The company's share count trajectory — with a 10-year CAGR of +2.8% — is a key signal for investors evaluating capital return policy, EPS accretion, and long-term shareholder value creation.

Figures tie to SEC 10-K/10-Q income statement disclosures and FMP /income-statement · /shares-float where noted.
Market capSplitsEarningsFinancials (Income)Cash on handFree cash flowNet incomePrice history

Frequently asked questions

NGG shares outstanding · 4 questions

As of March 31, 2026, National Grid plc (NGG) has approximately 989.2M basic shares outstanding and 994.2M diluted shares outstanding. This represents a +5.08% year-over-year increase from FY 2025 (941.4M). The increase may reflect equity compensation issuances or secondary offerings.

NGG shares outstandinghow many shares does NGG haveNGG basic shares 2026NGG diluted shares

▸ Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · National Grid plc SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-08