Lagarde warns €440 billion EU savings funding US AI boom

Lagarde's warning in Vienna draws on a new ECB analysis published Tuesday, which found eurozone households held nearly €10 trillion in bank deposits as of May 2026 and keep about one-third of their financial assets in deposits, compared with 11% among US households. She noted the US produced 59 notable AI models last year, China 35, and France and the United Kingdom one each — a gap in where the companies are built, not in where the money sits.

The article lays out several channels through which European money reaches US AI. Buying existing shares does not hand fresh cash to a company, but strong demand supports valuations and makes it easier to raise new capital; when European retail investors bought newly issued SpaceX shares in its June IPO, that money was usable for investment. More significantly, major hyperscalers are expected to spend more than $1 trillion (€870bn) on capital investment by 2028, and Lagarde said they issued more than $100bn (€87bn) in bonds last year, now accounting for close to one-tenth of new euro-denominated bond issuance by non-financial companies. Five large US hyperscalers have around €40 billion in euro-denominated bonds outstanding, so European funds, insurers and pension schemes buying those bonds are lending directly to American technology companies. Lagarde also flagged a cost channel: heavy US bond issuance can contribute to higher global yields, and eurozone long-term rates often move with US rates.

Europe's own gap is stark. The European Commission estimates the EU's data-centre capacity shortfall could reach 19 gigawatts by 2036, and closing it could cost as much as €600 billion, while Lagarde said the US hosts around 75% of global AI computing capacity against roughly 5% in Europe. The proposed Savings and Investments Union and the Listing Act are intended to make investing and listing easier across borders. Whether they succeed may hinge on factors analysts stress — deeper venture-capital markets, a greater willingness to finance higher-risk businesses, and rules that support innovation — since, as both Peloso and Barringer suggest, redirecting savings without stronger companies underneath is unlikely to close the gap on its own.