Great Portland Estates plc (GPE), the London-focused real estate investment trust, received a major shareholding notification on 29 October 2026, disclosing that Janus Henderson Group Ltd has reduced its combined position in the company. The Jersey-registered investment group's total holding — comprising both voting rights attached to shares and financial instruments — fell to 4.957109% from a previously notified 5.136759%. The disclosure, made under DTR5 rules, reflects a movement across a regulatory reporting threshold and will be noted by investors tracking institutional activity in GPE's register.

Key Points

  • Great Portland Estates plc (GPE) — London-focused REIT, ISIN GB00BF5H9P87
  • Janus Henderson Group Ltd disclosed a reduction in its combined stake to 4.957109% from 5.136759%
  • Threshold crossed on 27 October 2026; issuer notified on 29 October 2026; total voting rights held: 20,135,214
  • Investors may watch whether Janus Henderson's position continues to move relative to the 5% regulatory threshold

Janus Henderson's Combined GPE Position Falls Below 5% Threshold on 27 October 2026

According to the TR-1 notification filed with Great Portland Estates, Janus Henderson Group Ltd crossed a major holdings threshold on 27 October 2026. Its total combined position — covering both direct and indirect voting rights attached to shares and financial instruments — moved to 4.957109% from a prior notified level of 5.136759%. The voting rights attached to shares now stand at 2.706856%, down from 2.735157%, while the proportion held through financial instruments declined to 2.250253% from 2.401602%. The total number of voting rights held in the issuer at the notification date was 20,135,214.

Cash-Settled CFDs Account for GPE's Financial Instruments Portion of Janus Henderson's Holding

The announcement details that the financial instruments component of Janus Henderson's position is held via cash-settled contracts for difference (CFDs), which fall under DTR5.3.1R.(1)(b) as instruments with similar economic effect to shareholdings. These CFDs represent 9,140,272 voting rights, equating to 2.250253% of GPE's total voting rights. No direct voting rights are held; the 10,994,942 indirect voting rights attached to shares are held via Janus Henderson UK (Holdings) Limited and its subsidiary Janus Henderson Investors UK Limited, which together account for the majority of the group's indirect share-based position in the company.

Great Portland Estates Operates as a Central London Office and Mixed-Use Property Specialist

Great Portland Estates is a UK real estate investment trust focused on the ownership, development, and management of office and mixed-use properties concentrated in central London. The company's portfolio is primarily positioned across the West End and City fringe markets. As a REIT, GPE distributes a significant proportion of its rental income to shareholders. Institutional investors such as Janus Henderson Group, registered in St Helier, Jersey, are among the significant holders whose movements on the share register can reflect broader sentiment towards London commercial property and interest-rate-sensitive real estate assets.

Regulatory Chain Shows Janus Henderson UK and Jersey Subsidiaries as Key Holding Vehicles

The full chain of controlled undertakings disclosed in the notification identifies Janus Henderson UK (Holdings) Limited, Janus Henderson Investors UK Limited, Janus Henderson US (Holdings) Inc., and Janus Henderson Jersey (Holdings) Limited as entities through which the group's position is effectively held. Janus Henderson Investors UK Limited carries the largest disclosed sub-holding at 4.914493% in total. Janus Henderson Investors US LLC holds a minimal 0.000284% through financial instruments, while Janus Henderson Investors Jersey Ltd holds 0.042332% via shares, illustrating the multi-jurisdictional structure of the group's GPE exposure.