UK PUBLIC CAPITAL MONITOR
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Multilateral institutions

Asian Infrastructure Investment Bank

ShareholderInternational · Asia and other eligible member economies

A founding UK shareholding in the infrastructure-focused multilateral bank. Most of the UK subscription is callable rather than paid-in capital.

UK ownership or participation
3.1288% of subscriptions · 28 Feb 2026
Lead department or body
HM Treasury
UK voting rights
2.8533% · 28 Feb 2026
Mandate
Sustainable infrastructure and regional connectivity finance.

UK financial position

UK shareholding carrying value£562m31 Mar 2026

Treasury accounting valuation; not the dollar subscription.

Underlying source ↗
UK subscribed capitalUS$3.0547bn30 Jun 2026

Total subscription, combining paid-in and callable capital.

Underlying source ↗
UK paid-in capitalUS$610.9m30 Jun 2026

Paid-in component reported in AIIB note C15; separate from callable capital.

Underlying source ↗
UK callable capitalUS$2.4438bn30 Jun 2026

Contingent capital obligation; not cash invested.

Underlying source ↗

Accounting values, paid-in capital and funding commitments have different meanings and reporting dates. These figures are not added together.

Ownership and accountability

HM Treasury leads the shareholding and the Chancellor is UK Governor. The UK participates in a multi-country Board constituency.

Research hub

3 publications relevant to AIIB · Institution-specific research shown first

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News and announcements

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