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Timeline: LSEG's two decades of major deals, partnerships and strategic pivots

TIMELINE-LSEG's two decades of major deals, partnerships and strategic pivots

Adds Octus deal

- The London Stock Exchange Group LSEG.L on Thursday agreed to buy financial data firm Octus for about $3.54 billion, its biggest acquisition since the 2019 deal for Refinitiv as the group seeks to cement its stronghold in data and analytics.

Here is a timeline of key events at the British group, from its incorporation in 2007 to its various strategic moves:

Date

Event

2007

LSEG as a corporate entity was founded in 2007, when the London Stock Exchange, with a history dating back more than 300 years, merged with Borsa Italiana in a deal valued at 1.6 billion euros.

2009

LSEG acquires Millennium IT, a Sri Lanka-based technology solutions provider involved in the global capital markets industry, for $30 million.

2009

LSEG buys 60% stake in pan-European equities trading platform Turquoise, in partnership with leading global investment banks.

2013

LSEG completes the purchase of a majority stake in global multi-asset class clearing house LCH Clearnet.

2014

LSEG completes the deal for US-based financial services provider Frank Russell Company for $2.7 billion, whose assets include the Russell Indexes business.

2016

LSEG and Deutsche Börse AG agrees on the terms of a recommended all-share merger deal worth 29 billion euros in March to create UK TopCo.

2017

LSEG completes the acquisition of Mergent, a U.S.-based provider of business and financial information on public and private companies.

2017

LSEG completes the deal for fixed income analytics platform and index business The Yield Book and Citi Fixed Income Indices, from Citigroup for $685 million.

2017

TopCo merger attempt is blocked by EU Competition Regulator.

2017

Activist hedge fund, The Children's Investment Fund Management, fails to oust chairman Donald Brydon, after accusing the board of forcing CEO Xavier Rolet out.

2018

Hedge fund TCI cuts stake in LSEG.

2018

LSEG increases majority shareholding in LCH Group.

2019

LSEG acquires a 4.92% stake in Euroclear in deal valued 278.5 million euros.

2019

LSEG acquires ESG fixed income data provider Beyond Ratings (now LSEG Sovereign Sustainability Solutions).

2019

LSEG confirms plans to acquire data and analytics company Refinitiv for $27 billion.

2020

LSEG agrees to sell Milan's Borsa Italiana stock exchange to Euronext for 4.3 billion euros. The sale was dependent on the Refinitiv transaction going through.

2021

LSEG agrees to acquire Quantile Technologies, a provider of portfolio, margin and capital optimisation and compression services, for up to $362 million.

2022

LSEG announces plans to acquire trading technology provider TORA for $325 million.

2022

LSEG signs an agreement to acquire MayStreet, a market data solutions provider.

2022

Microsoft agrees to purchase nearly 4% equity stake in LSEG through the acquisition of shares from the Blackstone/Thomson Reuters Consortium.

2022

LSEG acquires multi-asset post-trade services provider Acadia for about $700 million, according to the data analytics group.

2025

LSEG announces partnership with OpenAI that allows users to access Financial Analytics content, real-time market data, research and news from within ChatGPT.

February 2026

Activist investor Elliott builds a stake in LSEG and engages with the company to drive performance, calling for more "value enhancing" actions.

July 2026

London Stock Exchange announces plans to launch round-the-clock trading in 2027 and says it had "constructive" dialogue with Elliott.

October 2026

LSEG agrees with private equity firm Permira to acquire financial data group Octus for about $3.5 billion.


(Reporting by Johann M Cherian and Simone Lobo in Bengaluru; Editing by Arun Koyyur)

((johann.mcherian@thomsonreuters.com;))

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