NEXTDC Ltd (ASX:NXT) has received a notice of initial substantial shareholding from Citigroup Global Markets Australia Pty Limited and related Citigroup group entities, disclosing a combined relevant interest of 43,738,188 ordinary fully paid shares, representing 5.7504% voting power, with the threshold crossed on 6 November 2026.
Key Points
- Citigroup became a substantial holder in NEXTDC on 6 November 2026, holding a relevant interest in 43,738,188 ordinary fully paid shares.
- The combined voting power of the Citigroup group entities amounts to 5.7504% of NEXTDC's ordinary fully paid shares.
- Six separate Citigroup entities hold relevant interests, including Citibank N.A. Sydney Branch, Citigroup Global Markets Australia Pty Limited, Citigroup Global Markets Europe AG, Citigroup Global Markets Inc, and Citigroup Global Markets Limited.
- The relevant interests arise primarily through securities lending agreements, including AMSLA, GMSLA, and MSLA arrangements, with registered holdings largely under Citicorp Nominees Pty Limited.
Substantial Holder Threshold Crossed on 6 November 2026
According to the Form 603 filing dated 10 November 2026, Citigroup Global Markets Australia Pty Limited, along with related bodies corporate within the Citigroup group of companies worldwide, became a substantial holder in NEXTDC Ltd on 6 November 2026. The total number of votes attached to all voting shares in which the substantial holder or an associate held a relevant interest on that date was 43,738,188, representing a voting power of 5.7504%. The filing was signed by Ji Hyun Kim on behalf of Citigroup Global Markets Australia Pty Limited.
Breakdown of Relevant Interests Across Citigroup Entities
The filing details the relevant interests held across six Citigroup entities. Citibank N.A. Sydney Branch holds relevant interests in 18,908,902 shares as Agent Lender and in a further 3,220,864 shares as holder of collateral securities under a tripartite securities lending arrangement. Citigroup Global Markets Australia Pty Limited holds a relevant interest in 3,202,936 shares, Citigroup Global Markets Europe AG in 254,707 shares, Citigroup Global Markets Inc in 3,518,576 shares, and Citigroup Global Markets Limited in 14,632,203 shares. The interests held by the latter four entities arise through securities lending agreements and contracts entered into in the ordinary course of business on a stock exchange.
Registered Holdings and Securities Lending Agreement Terms
The securities are registered primarily under Citicorp Nominees Pty Limited, with the exception of the 18,908,902 shares linked to Citibank N.A. Sydney Branch, which are held by various registered holders. The relevant interests arise under standard AMSLA, GMSLA, and MSLA securities lending agreements. Under these arrangements, the borrower holds voting rights, there are no restrictions on voting rights disclosed, and both the borrower and lender retain the right to return or recall securities early under standard agreement terms. The scheduled return date for the loaned securities is listed as unknown.



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