Vicor Corporation Raises Q3 Guidance With Revenue Up 49%

NEW YORK, September 22 —

Vicor Corporation (VICR) raised its Q3 2026 outlook on Tuesday, landing the stock among the session's biggest movers as a demand recovery takes shape.

The Stock Moved Before Vicor Said Anything

Yahoo Finance flagged it directly: VICR shares were already climbing before the company officially raised its Q3 guidance. That sequence is the most interesting data point in this story. It suggests either technical momentum off an extended base, options flow, or pre-announcement information. None of that shows up in a guidance press release. Investors taking a position on the raise itself should note they likely bought after someone else already did. The gap-up is visible in the chart.

Revenue Up 49% Makes the Inflection Story Credible

The trailing revenue figure does most of the heavy lifting. $474mn TTM at 49.3% YoY growth is not a company in trough mode; it is a company exiting one. Vicor's prolonged earnings trough, which weighed on the stock for the better part of two years, now looks like a cycle bottom rather than a structural decline. A raised Q3 guidance adds a forward data point to what was until now purely a trailing story. That matters for the multiple.

The Math Prices a 79% Earnings Recovery

Here is the number the wire won't headline. At $265.18 per share and trailing EPS of $3.11, VICR trades at roughly 85x trailing earnings. The 47.8x forward P/E implies forward EPS near $5.55, a roughly 79% improvement over the trailing figure. The raised guidance is a down payment on that implied recovery, not a receipt. One strong quarter does not close a 79% gap. The specific number that would break the thesis: Q3 EPS materially below the implied forward run-rate, which would force a re-rating at a still-elevated base.

Hyperscaler Capex Is the Pull Driving $474mn in Revenue

Vicor's factorized power architecture targets high-density, high-efficiency delivery for AI server racks, the infrastructure hyperscalers are building at record pace. Revenue growing 49.3% YoY makes the AI-pull narrative credible rather than aspirational. The counterweight: if hyperscaler capex decelerates sharply into 2027, Vicor's demand profile follows. That is the sector risk the stock does not fully price at 47.8x. Watch Q3 revenue against the raised guidance ceiling: a top-end print would begin to justify the multiple; a miss would expose it.

Generate a full VICR fundamental analysis at Basis Report, or stress-test the earnings recovery assumption with the DCF calculator.

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