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Vicor (VICR) Buyback Puts Its Valuation Back In Focus

Simply Wall St·09/10/2026 12:30:57
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Vicor (VICR) has announced a new share repurchase program of up to US$150 million with no expiration date. Investors now have a fresh catalyst to reassess how the buyback could influence overall shareholder returns.

Vicor’s share price has been volatile, with the stock falling 4.89% on the day to US$183.87 and down 11.94% over 30 days. It has still shown a 57.34% year to date share price return and a very large 1 year total shareholder return of 267.08%, which suggests that momentum has cooled recently after a powerful run.

Scan beyond Vicor and see how this buyback compares with other potential opportunities in power, automation, and infrastructure by reviewing our curated 39 power grid technology and infrastructure stocks.

Bulls see Vicor’s US$150 million buyback and strong recent gains as proof the stock deserves a premium. Bears point to sharp volatility and rich expectations. Which side does the valuation now support?

Most Popular Narrative: 52.4% Undervalued

Vicor’s most followed narrative pegs fair value at $386.25, which sits well above the last close of $183.87 and frames the buyback against a much richer long term outlook.

The accelerated adoption of high-power, high-density AI computing in data centers is driving demand for advanced power delivery solutions. Vicor's Gen 5 vertical power delivery products and 800V-to-48V converters target this need, with customer engagements and sampling set to expand in Q3 and Q4. These next-gen products enable Vicor to address a market expected to exceed $5 billion by 2027, supporting long-term revenue growth and eventual margin expansion as manufacturing scales.

Read the complete narrative.

Want to see what sits behind that aggressive fair value gap for Vicor? The narrative leans heavily on rapid top line expansion, rising margins, and a richer future earnings multiple that together build a very specific path to that $386.25 figure.

Result: Fair Value of $386.25 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

Still, Vicor’s reliance on licensing and litigation outcomes, alongside underutilized manufacturing capacity, could quickly challenge that upbeat narrative if demand or royalty flows disappoint.

Find out about the key risks to this Vicor narrative.

Another View: Valuing Vicor Through Current Market Pricing

Vicor may look inexpensive compared with the US$386.25 fair value from the leading narrative, yet today the stock trades on a P/E of 58.4x. That is far above the US Electrical industry at 33.6x and well above peer averages at 28.5x, even though the fair ratio is higher at 66.1x.

This gap means investors are already paying a rich price compared with sector and peer benchmarks, while still leaving some headroom before the fair ratio. The key consideration is whether that difference is viewed as a margin of safety on future growth or as additional valuation risk if expectations cool.

See what the numbers say about this price — find out in our valuation breakdown.

NasdaqGS:VICR P/E Ratio as at Sep 2026
NasdaqGS:VICR P/E Ratio as at Sep 2026

Next Steps

Sentiment on Vicor is clearly split, with rich pricing colliding with both clear risks and some genuine upside potential. Consider reviewing the underlying figures and weighing those trade offs for yourself by checking the 3 key rewards and 3 important warning signs.

Looking for more Vicor sized investment ideas?

If you only stop at Vicor, you risk missing other opportunities that fit your goals. Use the Simply Wall Street screener to quickly surface clear, data driven ideas tailored to the way you like to invest.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.