NATIONAL GRID PLC (NGG) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: June 03, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 1.29% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

5.2B

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

NGG currently has 5.2B outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 1.29% over the past 2 years.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
Jun 03, 2026	20-F filing \| 5199.0M shares outstanding	5.2B
May 29, 2025	20-F filing \| 5132.6M shares outstanding	5.1B
May 23, 2024	20-F filing \| 3967.1M shares outstanding	4B
Jun 06, 2023	20-F filing \| 3930.4M shares outstanding	3.9B
Jun 07, 2022	20-F filing \| 3904.1M shares outstanding	3.9B
Jun 08, 2021	20-F filing \| 3815.0M shares outstanding	3.8B
Jun 25, 2020	20-F filing \| 3780.2M shares outstanding	3.8B

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