Multilateral Development Banks Comparison Report 2026
Global Risk and Finance Forum / Asian Development Bank
Multilateral institutions
IDB Invest
Legal name: Inter-American Investment Corporation (IIC)
ShareholderInternational · Latin America and the Caribbean
Legally the Inter-American Investment Corporation, IDB Invest finances private enterprises and projects. The UK joined in 2023 and has announced an expansion of its shareholding.
- UK ownership or participation
- Minority shareholder; revised capital percentage not yet verified · Checked 16 September 2026
- Lead department or body
- Foreign, Commonwealth & Development Office
- UK voting rights
- 0.24% of votes displayed by institution · Observed 16 September 2026; financial reference date unstated
- Mandate
- Private-sector development finance
UK financial position
FCDO investment carrying value£8.660m31 March 2026
Accounting value before July's capital announcement.
Underlying source ↗UK paid-in capital displayedUS$14.659mObserved 16 September 2026
Country page gives no financial reference date. Does not establish completion of the announced increase.
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
FCDO leads UK participation. The institution lists a board constituency shared with Canada and Switzerland. Announced shares, parliamentary approvals, payments and updated votes require separate dates.
Research hub
7 publications relevant to IDB Invest · Institution-specific research shown first
Does Market Impact Matter for MDB and DFI Private Investment Decisions?
Center for Global Development
MDB Joint Methodologies for Measuring Mobilisation and Private Finance for Development
MDB Task Force on Mobilization / EDFI
News and announcements
View in News and announcements →- CGD reviews how development banks assess market impact ↗
Reviews public information on 17 institutions’ market-impact methodologies, targets, incentives and reporting. The authors find substantial differences and gaps in the evidence shareholders can use to assess how investment decisions affect markets.
View in Research hub → - Development banks revise how they measure mobilisation and private finance ↗
BII, through EDFI, and UK-backed multilateral banks are covered by a new joint methodology package. It updates mobilisation rules and adds a separate generation measure for institution-backed finance; work on catalysation continues. The guides require these different indicators to remain separate. No new UK financial commitment is announced.
View in Research hub → - CGD commentary proposes UK-led scrutiny of MDB private-capital results ↗
Svenstrup argues that shareholders should examine additionality, risk-taking and where finance reaches alongside mobilisation totals. She proposes using the UK’s G20 presidency to review MDB private-sector business models and identify reforms.
View in Research hub → - OECD examines how shareholders can strengthen private capital mobilisation ↗
New OECD research examines mandates, risk frameworks and staff incentives across development banks and DFIs, including BII and UK-backed multilaterals. It argues that mobilisation targets need to account for additionality and harder markets.
View in Research hub → - Commons approves IDB Invest capital-payment amendment ↗
The House approves the draft amendment order. This establishes a parliamentary milestone, not completion of all share subscriptions or payments.
- UK announces acquisition of remaining non-regional capital-increase shares ↗
IDB Invest says the acquisition is expected to increase the UK's shareholding eightfold. Final revised capital and voting percentages are not established by the announcement.