In 2021, Deliveroo, an online food delivery company, raised the most money among tech IPO listings on the London Stock Exchange (LSE), with 1.5 billion British pounds. The following largest tech IPO listings on the LSE were Alphawave IP, a semiconductor company, and Trustpilot, an online consumer review platform, with 856 million and 473 million British pounds respectively.

In 2021, initial public offerings (IPOs) in the financial sector accounted for one quarter of the total IPOs on the London Stock Excahnge (LSE), accounting for nearly one fourth of the total. Companies in the technology sector accounted for 11 percent of total IPOs in the United Kingdom.

Betweeen 2017 and 2021, the highest number of tech IPOs on the London Stock Exchange (LSE) took place in 2021, with a total of 28 listings. In the last three quarters of 2021, eight tech IPOs were listed in each quarter, a figure previously reached only during the second quarter of 2018.

In 2021, the combined value of initial public offerings (IPOs) on the London Stock Exchange (LSE) of companies operating in the financial sector reached over seven billion British pounds, making it the leading on the LSE. IPOs of companies in the consumer discretionary sector also exceeded seven billion British pounds in 2021. On the other hand, utilities companies' IPOs reached eight million Britihs pounds.

In all four quarters of 2021, tech IPO listings on the London Stock Exchange (LSE) raised the most money compared to the previous four years. In the second quarter of 2021, the total money raised from tech IPOs was over 2.5 billion British pounds and more than double the amount raised in the previous quarter.

More IPOs were listed on the London Stock Exchange in the last quarter of 2021 than in any other quarter since early 2016. Between October and December 2021, a total of 44 IPOs occurred in the United Kingdom. An initial public offering (IPO) is the first time that a company's stock is sold to the public in the organized capital market.

As of January 2022, Parsley Box, launched on the Alternative Investment Market (AIM) of the London Stock Exchange (LSE) in March 2021, was the worst performing company since its initial public offering (IPO). The company's stock lost approximately 85 percent of its value since its IPO. Second in the ranking of the 30 worst performing IPOs in 2021 was Cizzle Biotechnology, listed on the UK Main Market of the LSE in May 2021, which, as of January 2022, lost 72 percent compared to its IPO value.

In 2021, a total number of 74 IPOs worth more than 20 million British pounds recorded in the UK, which was higher than the previous six years. The highest number of IPO deals exceeding 20 million British pounds took place in 2014, with 83 deals.

Between 2017 and 2021, average duration of IPO transactions was the shortest in 2021, with nearly 23 days. On the other hand, with around 37.5 days, the longest average IPO duration was in 2020.

In total, the number of initial public offerings (IPOs) on the London Stock Exchange (LSE) in 2024 was 17, less than the number of IPOs of 2023. Among these, more than half of the IPOs took place on the alternative investment market (AIM).

The number of initial public offerings (IPOs) on the London Stock Exchange fluctuated significantly between 2010 and 2024. The number of IPOs reached a total of 126 in 2021, the second-highest figure recorded since a peak of 136 in 2014. However, it witnessed a significant decline in the following years, with only 23 IPOs recorded in 2023. As of April 2024, the number further decreased to 6, indicating a significant decline when compared to the previous year.

The main London Stock Exchange (LSE) and the Alternative Investment Market (AIM) were the most popular choices for SPAC IPOs in Europe in 2020. However, they were surpassed by Euronext in 2021. In 2021, 18 SPAC IPOs were completed on Euronext. Special purpose acquisition companies (SPACs) are public companies with neither a specific business plan, nor a product or service to sell. The specific purpose of SPACs is to raise capital and then merge with, or acquire a private company.

In 2021, fully underwritten initial public offerings (IPOs) as a percentage of total deals in the United Kingdom was higher than in the previous year. Around 20.4 percent of IPO deals were fully underwritten in 2021. The highest share of fully underwritten IPOs out of total deals was in 2019, with 39.3 percent.

The size of initial public offerings (IPOs) on the London Stock Exchange fluctuated significantly between 2015 and 2023. The value of IPOs recorded the lowest value, with less than one billion euros, in 2023, a dramatic decrease compared to 2021, which, on the other hand, recorded the highest value throughout the period considered.

The total value of initial public offerings (IPOs) on the London stock exchange's main market and alternative investment market (AIM) fluctuated significantly between 2019 and 2022. During 2021, both the main market and the alternative investment market (AIM) reached new heights, with IPOs reaching a combined value of over11 billion and over three billion British pounds, respectively.

In 2024, post-IPO performances on the London Stock Exchange (LSE) varied greatly. With a 250 percent increase in share prices, Rosebank Industries was the leading company in terms of performance. On the other hand, with a 33 percent reduction in share prices, GenIP showed the weakest post-IPO performance.

As of December 2024, Rosebank Industries was the best performing company of the year since its initial public offering (IPO). The company's stock value increased dramatically since its IPO, growing 250 percent throughout the year. Second in the ranking of the best performing IPOs in 2023 was Raspberry Pi, gaining 123 percent since its IPO.

Between July 2021 and April 2022, New Energy One Acquisition Corporation was the largest special acquisiton company (SPAC) on the London Stock Exchange (LSE) in terms of value, with 175 million British pounds. The second largest SPAC listed on the LSE was Financial Acquisition Corp, with a SPAC size of 150 million British pounds.

As of February 2025, China Pacific Insurance Group had the highest market cap of any insurance company trading on the London Stock Exchange (LSE). The group saw a market capitalization of 29.6 billion British pounds. Market capitalization is the outstanding value of a company's shares and is often used to measure the size of a company and investor's interest in each enterprise. London Stock Exchange As of July 2023, there were just under 2,000 companies trading on the London Stock Exchange, and on average somewhere around 500,000 trades per day. The combined market value of companies trading on the LSE was 3.6 trillion British pounds (GBP) in July 2023, below the peaks found prior to the COVID-19 pandemic. Initial public offerings (IPOs) When a private company first offers its shares to the public, the process is called an initial public offering (IPO). IPOs are typically used by growing companies that need to raise capital or by allowing owners to sell off some of their ownership of a company. The Kazakhstani technology-focused bank Kaspi saw the highest initial public offering in 2020 of over six billion British pounds.