Layer 7 · VRT — Vertiv Holdings

Thesis

Vertiv is the integrated AI-rack thermal and power infrastructure leader — liquid cooling, busway, modular UPS, prefabricated AI factory enclosures. Q1 adjusted op margin +430 bps to 20.8%; backlog doubled to $15B+. FY26 raised +30% organic with 51% earnings growth. Tier B because the stock has rerated significantly and the valuation premium leaves limited margin for execution surprise.

What it does + financial print

Layer 7 integrated AI-DC infrastructure. Vertiv plays across thermal management (CRAH/CRAC, liquid cooling), power infrastructure (PDU, busway, UPS) and the modular prefabricated AI factory build-out. The thesis is that hyperscalers are buying prefab modular DC at scale because the speed-to-power-on cycle is significantly faster than custom build, and Vertiv has the most integrated portfolio.

Q1 FY26: revenue $2.65B. Adjusted EPS +83% YoY; diluted EPS +136% YoY. Adjusted op margin 20.8% (+430 bps). FY26 guide raised to $13.5-14.0B (+30% organic) with 51% earnings growth. Backlog doubled to $15B+ — that's roughly 12-18 months forward revenue. Recent +12.76% day on earnings beat. Live price $339.00 (May 8).

Bull case

What promotes to Tier A is one full quarter of post-rerate consolidation plus a Q2 print confirming the 51% earnings growth trajectory. The structural setup — liquid cooling adoption is essentially mandatory for current-generation AI racks — is among the cleanest Layer 7 stories.

Gap / bear case

The valuation premium is the gap. Supply-chain pressure on liquid-cooling components (CDUs, manifolds, secondary loops) is real and could pressure margin. Hyperscaler customer concentration is the cyclical exposure.

Trigger to upgrade / downgrade

Upgrade trigger: clean consolidation plus Q2 print confirming guide. Downgrade trigger: any flagged hyperscaler capex push-out on cooling deployments.

The trade

- Entry zone: $310-335 - Stop: $290 (2×ATR; below post-rerate consolidation) - Position size: 1.5% of NLV - Catalyst date: Q2 print late July - Conviction: 7/10

Part 5 — Tier C · Watch / Pass

Sorted by AI stack layer ascending; within each layer by conviction rank. 31 names. Genuine AI exposure but case is early, speculative, or contingent on a specific catalyst we are tracking.