AI Infrastructure Deals: the Theme Behind the Current M&A Cycle

Every M&A cycle has a theme that explains most of the deals actually printing and as of writing, in mid-2026, that theme is AI infrastructure: the physical build-out behind machine intelligence. This article is dated by design, the only deliberately dated piece on this site alongside its macro companion and it is written at the level that ages slowest: mechanisms and deal shapes rather than figures. Learn the mechanism chain and you can discuss this theme credibly for as long as it runs.

The mechanism chain

Compute to power to capital · the chain that explains the cycle

That box is the answer to 'what theme are you watching' in five sentences and its virtue in an interview is that each link invites a follow-up you have already prepared.

The five deal shapes

• 1 · The demand anchor. The hyperscalers' capital expenditure programmes. Not M&A themselves, but the demand signal every other deal in the theme is underwritten against and the first thing to check when asked whether the theme still has legs.
• 2 · Data centre platform deals. Infrastructure funds and strategics buying, building and combining data centre operators, the theme's most direct expression, sitting exactly where TMT meets infrastructure coverage.
• 3 · Power deals. Generation assets, long-term power purchase agreements, grid and transmission plays and the renewed corporate interest in nuclear adjacency. Energy teams have rarely been closer to the centre of a technology cycle.
• 4 · Picks and shovels. The supply chain consolidating beneath the build-out: cooling, electrical equipment, components, connectivity. Classic mid-market M&A territory riding a mega-theme.
• 5 · The financing layer. Capital-intensity on this scale reshapes the debt markets too, with project-finance-style and securitised structures growing around data centre assets, which is where the theme touches the leveraged finance world this series covers elsewhere.

Defending both sides

A theme this consensual invites the interviewer's other side and you should want it to come. The sceptic's case is real and you must be able to state it fairly: capacity built ahead of demand has ended badly in previous infrastructure cycles, the power constraint could bind harder than capital expects and some of today's build-out is underwritten on demand forecasts nobody can actually verify. The bull's response is equally stateable: the demand signal is corporate capex from the most cash-generative companies in history rather than speculative credit and the constraint itself, power, is precisely why the assets have pricing power. You do not need to resolve the debate; you need to hold a view with reasons and concede specific points gracefully, exactly the pushback discipline the market-questions article trains. 'I hold this loosely, but the chain from compute to power seems more durable to me than the capacity-glut risk and here is why' is a complete, senior-sounding answer.

Using the theme

Practically: this is the natural theme deal slot in your deal sheet, per that article's method, one live transaction from any of the five shapes, carded from the primary announcement. It connects your sector story if you claim TMT, energy or infrastructure, with the TMT questions article covering the sector-level fluency that pairs with it. And it pairs naturally with the other AI conversation, what the technology does to the analyst job itself, which this site treats separately in the AI-and-the-analyst article; interviewers frequently walk from one to the other. Check the current state of the chain the week you interview, refresh your example deal and the theme is yours. Having the sceptic's side run at you live is what the IBD Recruiting Review is for.

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Raphael Tressieres

Former Executive Director in TMT Investment Banking at Nomura and M&A banker at BNP Paribas. Top-rated mentor with 300+ sessions. About