Is LSEG's Data & Analytics business profitable?

Yes. LSEG Data and Analytics generated £3,978 million in FY2025 revenue, up 5% organically, with 98% recurring revenue and group EBITDA margin crossing 50% for the first time, up 210 basis points, reported 26 February 2026.

Could AI replace LSEG's Refinitiv-based data business?

Unlikely to fully replace it. LSEG shipped MCP integrations with Anthropic's Claude and Microsoft Copilot in October 2025 and February 2026, positioning its licensed data as the feed inside AI tools rather than being bypassed, though Workflows growth (3.1%) already trails Data and Feeds (6.6%).

Who is LSEG Data & Analytics' biggest competitor?

Bloomberg L.P. remains the dominant rival, holding roughly 33% of the global financial data market versus LSEG's estimated 19-20% as of May 2026, a gap LSEG's $27 billion Refinitiv acquisition, completed January 2021, has not closed.

Is Elliott Management trying to break up LSEG?

Elliott Management disclosed a stake and pushed for a £5bn buyback and portfolio review starting February 11, 2026, but by 25 February 2026 told UK officials it would not seek a breakup or a New York listing shift.

Is LSEG a safe company to join right now?

Headcount is growing, roughly 25,045 employees as of July 2026 versus 22,130 in July 2024 per Crustdata, a 7.8% year-over-year increase, though an active Elliott activist campaign and AI-narrative stock swings add near-term uncertainty.

Who owns LSEG and does Microsoft have a stake?

LSEG is publicly listed (LSE: LSEG), with Microsoft holding roughly a 4% equity stake since December 2022 as part of a 10-year strategic partnership; activist fund Elliott Management also built a stake disclosed in February 2026.

Financial data and information services · United Kingdom

London Stock Exchange Group Data & Analytics

lseg.com ↗

LSEG Data & Analytics sells financial data and terminals, the Refinitiv-based Bloomberg rival.

Defensible for now

Assessed 21 July 2026 · Evidence as of 21 July 2026

Real protection, with named pressure against it.

On the recordSince 21 July 2026 · Checkable from H2 2026 · Every call on the record Checkpoint: Elliott Management's portfolio review outcome, possible Data & Analytics carve-out

The call

LSEG turned AI chatbots into distribution partners instead of replacements, but Bloomberg still leads the market and Elliott is now pushing to break the company up.

LSEG Data & Analytics sells market information and trading tools to banks and investors, it's the second-biggest player after Bloomberg, controlling about one-fifth of the market. It's hard to replace because banks depend on its data every day, and LSEG made a smart move by letting AI assistants like Claude plug into its systems instead of shutting them out; competitors like S&P Global can copy this approach, but Bloomberg's terminal remains unbeaten after decades. The real question: if more traders start using AI chatbots and Excel instead of LSEG's traditional software, will the company's profits shrink because customers buy cheaper data feeds instead of full-price licenses?

Why

AI pressure: Anthropic Claude and Microsoft Copilot inside Excel/Workspace. Chat tools could let bankers skip the Workspace terminal UI, but LSEG shipped MCP and plugin links so its data still sits inside those tools. Could AI do the core job? Only partly.

Bigger players: Bloomberg L.P.. Bloomberg still holds about 33% of financial data share against LSEG's 20%, a gap the $27bn Refinitiv deal never closed. Could a giant copy it? Probably.

What protects it. 98% recurring revenue, licensed proprietary datasets, and workflow lock-in from traders who already live inside Workspace.

What would change this call

Workflows organic growth rate in next 2-3 quarterly reports (base +3.1% FY25). Falling further would confirm AI tools like Claude/Copilot are eroding terminal-seat revenue.
Elliott Management's portfolio review outcome and any Data & Analytics carve-out announcement. A divestment push would show activist doubt about D&A's standalone moat.
Bloomberg or AlphaSense publicly reported named-account wins from LSEG Workspace. Would be first direct evidence of customer share loss to a rival.

Key numbers

D&A revenue £3,978m, +5% organic (2025-12-31)
Workflows growth just +3.1% vs Data & Feeds +6.6% (2025-12-31)
Bloomberg ~33% share vs LSEG ~20% (2026-05-29)

Named risks

Elliott Management portfolio review could force divestiture of FTSE Russell, Risk Intelligence, or LCH. Severity: medium
AI disintermediation of the Workspace terminal UI layer as Claude and Copilot become the front-end. Severity: high
Workflows organic growth (3.1%) lags Data and Feeds (6.6%), signaling mix shift to lower-margin revenue. Severity: medium
Never closed the market-share gap with Bloomberg despite $27bn Refinitiv acquisition completed Jan 2021. Severity: medium
Stock volatility from AI-narrative sentiment, down 15-20% in early 2026 on 'AI loser' classification. Severity: medium

Rivals, as read in July 2026

Rival	Direction	Evidence
Bloomberg L.P.	losing to	Bloomberg holds ~33% share vs LSEG's ~19-20% as of May 2026, unchanged since $27bn Refinitiv deal in 2021
S&P Global	contesting	Both co-built Anthropic's Claude Cowork finance plugins released 24 Feb 2026, matching feature parity
FactSet Research Systems	contesting	FactSet undercuts on price with ~4.5% share, per Nov 2025 analysis
AlphaSense	gaining on	AI-native document intelligence tool named as emerging competitor in 2026 vendor comparisons
Anthropic Claude / Microsoft Copilot (AI layer)	contesting	LSEG shipped MCP integrations Oct 2025 to Feb 2026 to stay the licensed data supplier inside these tools rather than be bypassed

Questions people ask

Is LSEG's Data & Analytics business profitable?: Yes. LSEG Data and Analytics generated £3,978 million in FY2025 revenue, up 5% organically, with 98% recurring revenue and group EBITDA margin crossing 50% for the first time, up 210 basis points, reported 26 February 2026.
Could AI replace LSEG's Refinitiv-based data business?: Unlikely to fully replace it. LSEG shipped MCP integrations with Anthropic's Claude and Microsoft Copilot in October 2025 and February 2026, positioning its licensed data as the feed inside AI tools rather than being bypassed, though Workflows growth (3.1%) already trails Data and Feeds (6.6%).
Who is LSEG Data & Analytics' biggest competitor?: Bloomberg L.P. remains the dominant rival, holding roughly 33% of the global financial data market versus LSEG's estimated 19-20% as of May 2026, a gap LSEG's $27 billion Refinitiv acquisition, completed January 2021, has not closed.
Is Elliott Management trying to break up LSEG?: Elliott Management disclosed a stake and pushed for a £5bn buyback and portfolio review starting February 11, 2026, but by 25 February 2026 told UK officials it would not seek a breakup or a New York listing shift.
Is LSEG a safe company to join right now?: Headcount is growing, roughly 25,045 employees as of July 2026 versus 22,130 in July 2024 per Crustdata, a 7.8% year-over-year increase, though an active Elliott activist campaign and AI-narrative stock swings add near-term uncertainty.
Who owns LSEG and does Microsoft have a stake?: LSEG is publicly listed (LSE: LSEG), with Microsoft holding roughly a 4% equity stake since December 2022 as part of a 10-year strategic partnership; activist fund Elliott Management also built a stake disclosed in February 2026.

Timeline

2026-02-26FY2025 results: D&A revenue £3,978m, pretax profit up 56.5%, EBITDA margin tops 50%
2026-02-25Elliott Management tells UK officials it won't seek LSEG breakup or NY listing move
2026-02-24Anthropic launches Claude Cowork finance plugins co-built with LSEG and S&P Global
2026-02-23LSEG data made natively accessible in Claude for Excel and PowerPoint via MCP
2026-02-11Elliott Management activist stake reported; LSEG shares slump 15-20% on AI-loser fears
2025-10-27LSEG MCP server goes live in Anthropic's Claude Partner Directory
2025-10-12LSEG and Microsoft launch MCP server for Copilot Studio and 365 Copilot
2025-06-30Legacy Eikon terminal formally withdrawn, users migrated to Workspace
2022-12-11Microsoft takes ~4% equity stake in LSEG under 10-year partnership
2021-01-31LSEG completes ~$27bn acquisition of Refinitiv

Revision history

21 July 2026

First assessed. Defensible for now. The text above is fixed as of this date and is not edited afterwards.

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Sources

LSEG shares jump 6% after FY25 profit surges (2026-02-25)
LSEG Annual Report 2025 (2026-02-26)
London Stock Exchange Group (LSEGY) Stock Price & Overview (2026-07-14)
JavaScript Is Disabled (2026-05-29)
Activist Elliott builds stake in London Stock Exchange Group (2026-02-11)
Empowering the future of financial markets with London Stock Exchange Group (2022-12-11)
Wall Street predator targets London Stock Exchange (2026-02-11)
Elliott tells UK it won't seek LSEG break-up or New York listing shift, FT reports (2026-02-25)
Elliott Management's LSEG push: how much can actually get done? (2026-02-25)
The sell-off in AI losers has been so steep that this famed activist investor has reportedly sprung into actio (2026-02-11)
Eikon Withdrawal and Transition to Workspace
LSEG and Microsoft transform access to AI-ready financial data in customer workflows (2025-10-13)