Jurisdiction(s):
United Kingdom

Key definition

Listing definition

What does Listing mean? Listing describes the admission of a company’s securities to the official list and, in parallel, to trading on a regulated market (e.g. the London Stock Exchange Main Market or Euronext Dublin), after meeting prescribed eligibility and disclosure standards. In the UK, the Financial Conduct Authority (FCA) maintains the Official List under Part 6 of the Financial Services and Markets Act 2000 and the Listing Rules. Admission confirms compliance with those rules and triggers continuing obligations (e.g. timely disclosure, significant transactions, and related party rules). Premium listings additionally require a sponsor and enhanced standards (including governance and free float) compared...

London Stock Exchange Main Market dual or multiple class share structures: company tracker, weighted voting rights summaries, and UK listing regime reforms (2021–2026)

Published by a LexisNexis Corporate expert

Practice notes

Last updated 23 March 2026.

This tracker reviews commercial companies joining the London Stock Exchange’s Main Market with a dual or multiple class share structure (DCSS), where one share class carries Weighted voting rights, and summarises the rights attached to those shares.

A DCSS lets a founder shareholder keep voting control by giving enhanced or weighted rights to an unlisted share class or a special ‘golden share’.

Listed companies with a dual or multiple class share structure

The summary below outlines commercial companies that have listed on the London Stock Exchange’s Main Market with a dual or multiple class share set-up as set out below.

Entries cover: the company; dates of key events; share structure and the holders of any weighted voting rights share(s) on admission; and a synopsis of the rights of weighted voting rights shares or any special share on admission.

Oxford Nanopore Technologies plc

5 October 2021 — admitted to the standard Listing segment
29 July 2024 — reclassified to the equity shares (transition) category
6 November 2024 — transferred to the equity shares (commercial companies) category
26 November 2024 — announced a proposed cancellation of LAT shares (the rights of which expired three years from the date of the company’s...

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Web page updated on 21/05/2026

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