London Stock Exchange Group plc (LSEGY) Institutional Ownership and Insiders Activity

London Stock Exchange Group plc (LSEGY) is widely held by institutional investors, with 18 firms reporting positions valued at approximately $131.16M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Douglass Winthrop Advisors, Llc is the largest disclosed holder, reporting approximately $90.67M in LSEGY holdings in its latest filing.

Institutional ownership remains highly concentrated, with Douglass Winthrop Advisors, Llc representing the majority of disclosed value.