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Vicor Stock Jumps 6.8% After Guidance Raise

SEC / Vicor Corporation2 min read7 sources

Why did Vicor stock jump 6.8%?

Vicor (VICR) stock rose 6.8% to $308.59 on Thursday after the company raised its third-quarter growth guidance to over 30%, citing higher royalties from its first technology license.

Key numbers

Q3 sales growth guidance (vs Q2)>30%from >20%
Thursday close$308.59+6.8%
Premarket peak (reports of ~11–12% gains reflect early trading)+10.8%closed +6.8%
Implied Q3 revenue floor (Q2 $143.4M x 1.3)>$186M>30% vs Q2
Market cap (YTD +182%, per [4])$14.2B+6.8% on day
Needham price target$350from $320

What happened

Vicor (VICR) stock rose 6.8% to $308.59 on Thursday after the company raised its third-quarter growth guidance to over 30%, citing higher royalties from its first technology license. The shares had climbed 10.8% before the market opened, but the gain narrowed during the day. Vicor now expects third-quarter sales to grow more than 30% from the second quarter, up from its earlier forecast of more than 20%. It was the second increase in about ten days. Royalties are fees other companies pay to use Vicor's patented technology.

Why it matters

Vicor is now earning money not only by selling power parts but also by licensing its patented technology to makers of AI computers. Demand for its parts is rising because AI data centers need large amounts of electricity delivered efficiently to their chips. The stock has already risen sharply this year, and it trades at about 49 times next year's expected profits, a high price for future growth.

Who this affects

Marketbullish
Low impact
AI power-supply stocks rose Thursday; gains for investors.
Companybullish
Medium impact
Good for Vicor shareholders: higher sales and royalty income expected.
Competitorsneutral
Low impact
Rivals Monolithic Power, Vertiv rose 1–2%; effect unclear.
Industrybullish
Low impact
Shows AI data centers are driving demand for power parts.

Vicor vs Monolithic Power Systems, Vertiv, Advanced Energy

VicorVICR$14.2B+6.8%+181.6%48.8x
Monolithic Power SystemsMPWR$66.9B+1.0%+50.2%37.9x
VertivVRT$94.8B+2.0%+51.9%26.8x
Advanced EnergyAEIS$11.8B+4.4%+40.5%19.4x

As of 2026-10-01

How we got here

  1. Vicor reports Q2 revenue of $143.4M, up 26.9% from Q1

  2. Vicor first raises Q3 growth guidance, from about 10% to over 20%

  3. Vicor lifts Q3 growth guidance again, to over 30%, on VPD license royalties

  4. Shares close up 6.8% at $308.59; Needham raises price target to $350

What to watch

  • Vicor's third-quarter results, to confirm whether sales growth topped the over 30% guidanceQ4 2026
  • Whether more companies sign Vertical Power Delivery licenses; four OEMs and hyperscalers hold them nowQ4 2026
  • Progress on a second factory to add capacity for next-generation power chipsOngoing

Educational content only. Not investment advice.

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