Understanding FTSE 350 Today and Its Market Role
Highlights
FTSE 350 Today combines the largest companies from both the FTSE 100 and FTSE 250 indices.
The index spans sectors such as financial services, energy, consumer goods, and healthcare.
Constituents are reviewed regularly to ensure accurate representation of the UK’s corporate landscape.
The FTSE 350 Today provides a comprehensive measure of the largest publicly listed companies in the United Kingdom. It merges the constituents of the FTSE 100 and FTSE 250, creating a broad benchmark across diverse industries such as financial services, energy, healthcare, consumer goods, and industrials. This index reflects the strength and diversity of the UK’s corporate sector.
Structure of the Index
The FTSE 350 Today is built by combining the companies included in the FTSE 100, which features the largest firms, and the FTSE 250, which tracks mid-cap entities. Together, they offer a broad picture of the UK market by covering both global leaders and growing domestic enterprises. This dual composition provides insights into the performance of large and mid-sized organisations within the national economy.
Sectoral Representation
The FTSE 350 Today encompasses a wide range of sectors, underlining the depth of the UK’s financial markets. Financial services form a significant part of the index, reflecting the importance of banking and insurance within the economy. Energy firms also feature strongly, contributing to discussions around resources and sustainability. Healthcare companies highlight advancements in medical science, while consumer goods and retail firms represent spending patterns and lifestyle trends across the market.
Methodology and Review Process
The calculation of the FTSE 350 Today is based on free-float adjusted market capitalisation. This ensures that only shares available for public trading are included in the index weighting. The index undergoes regular reviews to account for changes in company performance, mergers, acquisitions, and new listings. These reviews ensure that the index remains an accurate and transparent reflection of the current market landscape.
Importance in the Market
The FTSE 350 Today serves as a significant benchmark for assessing the performance of leading UK-listed firms. It reflects both the stability of established global corporations and the growth trajectory of mid-cap companies. By combining two major indices into one, it captures a comprehensive view of the corporate environment in the United Kingdom.
















