Allegro MicroSystems, Inc. (ALGM): what the price assumes

In the published model solve dated 2026-Q2, anchored at $36.05, Allegro MicroSystems, Inc. (ALGM) is priced for today's economics sustained for ~29.1 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-07-25.

Generated: 2026-09-07 · Exported: 2026-09-09 · Source: https://boothcheck.com/report/ALGM

Headline

FieldValue
TickerALGM
CompanyAllegro MicroSystems, Inc.
Sector / IndustryTechnology
Current price$36.05/sh
CompositionMagnetic sensors 61% / Power integrated circuits 40%

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

FieldValue
Inversion basiswhole-company
Must persist for29.1y
Multiple paid147x operating income

Solve inputs: computed at a 13% cost of capital; growth searched up to the 25% self-funding ceiling.

How unusual the bet is: n/a

ReferenceValue
vs own history-0.28σ

Valuation X-Ray

Asset, earnings-power and peer-multiple models all land far below the price; ONLY the growth-DCF reaches it. The bet is durable compounding the static frames structurally cannot price (a moat/durability premium).

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

FamilyMedian price/FVModelsReads
Asset12.65x1expensive
Earnings8.33x3expensive
Relative3.65x4expensive
Growth0.90x3justifies

Families that justify the price: Growth Families that call it expensive: Asset, Earnings, Relative

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 8.9%); the inversion above states its own rate.

Per-Model Detail (n=11)

ModelFamilyFVPrice/FVApplicableMethodology
DCF Perpetual GrowthGrowth$20.191.79xyesFCF base $0.1B, growth 24% (input: historical growth), terminal g 4.0%, WACC 8.9%, 7yr projection
DCF Exit MultipleGrowth$40.110.90xyesExit EV/EBITDA: 57.7x / 59.7x / 61.7x (bear / base = today's held flat / bull), 7yr
Relative ValuationRelative$10.783.34xyesP/E 48.4x (blended: static sector reference 22x + trailing (TTM) 473x), scenarios: 38.9x / 48.4x / 57.9x (bear / base = reference held flat / bull), EV/EBITDA 29.11x
Simple DDMGrowthno
Two-Stage DDMGrowthno
Simple Excess ReturnAsset$0.8243.96xyesBV/sh $5.17, ROE (TTM) 1.5%, ke 9.3% (excluded from median)
Two-Stage Excess ReturnAsset$0.4580.11xyes5yr excess ROE then converge to ke=9.3% (excluded from median)
Discounted Future Market CapGrowth$45.220.80xyesRev $0.9B, growth 24% (input: historical growth; tapered), Terminal P/S: 5.7x / 7.1x / 8.5x (bear / base = today's held flat / bull, cap 12x)
Peter Lynch Fair ValueRelative$0.8442.92xyesEPS $0.07, growth 1% (input: historical EPS growth), PEG=356.48 (Overvalued) (excluded from median)
Margin TrajectoryGrowthno
Earnings Power ValueEarnings$4.637.79xyesNormalized EBIT (5y avg op income, one-time charges added back) $0.10B × (1−9%) / WACC 8.9% → EPV (no growth)
Residual IncomeAsset$0.32112.66xyesBV $5.17 + 5yr PV of (ROE (TTM) 1.5% − Kₑ 9.3%) × BV; BV grows 1.0%/yr (excluded from median)
Graham NumberAsset$2.8512.65xyes√(22.5 × EPS $0.07 × BVPS $5.17) — Graham's conservative floor
EV/EBITDA RelativeRelative$9.103.96xyesEBITDA $0.11B × sector EV/EBITDA 16.0x
FCF YieldEarnings$4.338.33xyesFCF $87.8M / Kₑ 9.3% — zero-growth perpetuity
SBC-Adj FCF YieldEarnings$1.3626.51xyesSBC-adj FCF $0.04B (FCF $0.09B − SBC $0.05B) capitalized at Kₑ (excluded from median)
Ben Graham FormulaEarnings$2.2615.95xyesEPS $0.07 × (8.5 + 2×15.0%) × (4.4 / 5.3%)
ROIC-Justified P/BAsset$1.2229.55xyesBV $5.17 × (ROIC 2.1% / WACC 8.9%) (excluded from median)
P/Sales SectorRelative$25.371.42xyesRevenue $0.95B × sector P/S 5.0x
PEG Fair ValueRelative$2.6313.71xyesEPS $0.07 × (PEG 1.5 × growth 25.0% (input: historical EPS growth)) → PE 37.5x
Earnings YieldEarnings$0.7647.43xyesEPS $0.07 / required return 9.3% (Rf 4.3% + ERP 5.0%) (excluded from median)
Funds From Operations MultipleRelativeno
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Solvency

FieldValue
Net debt$131.5m
Net debt / NOPAT (after-tax)3.08x
Net debt / operating income (pre-tax)2.82x
Interest coverage2.3x
Share count CAGR (buyback)-0.6%
Burning cashno

Bullet Takeaways

Bull Case

The market is paying for compounding that runs for decades, and the awkward thing for a skeptic is that the recent operating record does not obviously argue against it. Fiscal 2026 net sales rose 23% to $890.1 million, with the fourth quarter up 26%. Set that against the eight analog and mixed-signal chipmakers it trades alongside: only MACOM (MTSI) at 27.0% and Monolithic Power (MPWR) at 23.9% grew faster over their own trailing years, while Microchip (MCHP) managed 7.1%, Skyworks (SWKS) 2.3%, and Qorvo (QRVO) went backwards at negative 1.1%. Growth is not the part of this business that needs a defence.

What Allegro sells is the part of a car nobody thinks about until it stops working. Roughly 61% of revenue comes from magnetic sensors, built, in the company's own description, on monolithic Hall-effect, GMR and TMR technologies, which allow customers to develop contactless sensor solutions that reduce mechanical wear and provide greater measurement accuracy and system control. Contactless matters more than it sounds. A sensor with no moving parts does not wear out, which is why these devices end up in steering, braking and battery-management positions where a failure is not an inconvenience. That position is also the pricing argument. Semtech's own filing describes an industry characterized by decreasing average unit selling prices over the life of a product and as volumes increase, which is the default gravity in analog chips. Allegro's answer is that parts meeting stringent safety and reliability requirements tend to command higher average selling prices and exhibit slower ASP erosion. Qualification into a safety-critical socket takes years, and the customer does not casually re-open it.

The second leg is the industrial pivot, and it is visible in the numbers rather than the slide deck. The annual report attributes the industrial gain to an increase in demand for data center applications, industrial automation and robotics products, medical applications and clean energy applications, offset by weakness in consumer and broad-based industrial lines. Those are the same physical measurements the automotive business already solves: current, position, speed. Selling a qualified current sensor into a power rack rather than a powertrain is a channel decision, not a new engineering programme.

Then there is the first evidence of operating leverage. Research spending ran 23.1% of our total net sales for the fiscal year ended March 27, 2026, a decrease from 24.8% of our total net sales the year before. The dollars went up; the ratio came down, because sales rose faster. That is the exact mechanism that turns a 1.6% trailing operating margin into something resembling the rest of the group, and it is the only mechanism that matters here. MACOM (MTSI) runs 16.0% operating margins on $1.07 billion of revenue and Monolithic Power (MPWR) runs 27.1% on $2.96 billion, so the destination is not theoretical for a company of this size and gross-margin profile.

Meanwhile the balance sheet has quietly stopped being a question. The company reports no debt outstanding under our revolving credit facility and $256.0 million of additional borrowings available, it is not burning cash, and the share count has drifted down rather than up. A cyclical chipmaker that can fund its own growth through the trough is a chipmaker that gets to keep its design wins when the cycle turns.

Bear Case

Follow where the cash actually went. Over the four years to December 2025 the share count fell about 0.8% a year, which is not capital return so much as a treadmill: roughly two fifths of free cash flow leaves again as stock compensation, and what the company retires broadly cancels what it issues. The cash that genuinely moved went to lenders. Payments were applied against the term loan across February, April, May and July of 2025, a fourth credit-agreement amendment followed on January 21, 2026, and a global restructuring was enacted in January 2025. Deleveraging and restructuring during a growth phase is a defensible use of money. It is also not the behaviour of a management team that thinks its own equity is cheap.

That matters because of what the equity has to deliver. At $46.00 the price sits at roughly 127 times the operating income the business generates through a full cycle, and the arithmetic that supports it requires company-wide operating profit to keep compounding at the fastest rate the business can fund out of its own cash flow for something close to 28 years. The rate itself is not the stretch; the company has recently run at it. The persistence is. Of the comparable fast-growers this has been measured against, roughly 15% were still compounding at that pace a decade later. And the sensitivity is steep: one percentage point of shortfall in the growth rate adds roughly 3.6 years to the horizon already built into the quote.

The channel is the near-term fragility. Distributors took approximately 55.0%, 50.7% and 52.9% of our net sales across the last three fiscal years, so the share moved up meaningfully in the most recent one, and the company is explicit about what that means: Because our distributors control the relationships with end customers, if our relationship with any distributor ends, we could also lose our relationships with their customers. Rising distributor share during a demand upswing is also how inventory gets ahead of end demand without anyone noticing until it reverses. On the cost side the commitments are already made. Some of our purchase commitments are not cancellable, which converts a demand air pocket directly into a charge.

The gross-margin machinery carries its own admission. The filing states that If a product does not meet our gross margin targets, we may be forced to stop design or production of the product, regardless of where it is in the development or sales stage. Read plainly, that is a company telling investors it will walk away from revenue rather than carry a bad-margin part. Right discipline, and also a ceiling on how hard the top line can be pushed.

None of this is abstract in the trailing numbers. Operating income came to $13.0 million over the trailing year and the company posted a net loss, on a business that a cohort peer of similar revenue converts at 16.0%. Power Integrations at 1.1% and Semtech at 2.1% operating margins show that the cohort's cyclical floor is a real place, and Allegro's 1.6% is standing in it. Interest coverage of about 2.8 times is adequate, but it is adequate against depressed operating profit, and net debt of $124.9 million, about 1.8 times the operating income it earns through a full cycle, only looks light while the cycle cooperates. The bear case is not that Allegro is a bad business. It is that a price built on decades of uninterrupted compounding leaves nothing for the ordinary event of a semiconductor cycle behaving like a semiconductor cycle.

Valuation

Start with the demand embedded in the quote. At $46.00 the market values Allegro at roughly 127 times the operating income the business produces through a full cycle rather than in its current trough, and the assumption that reconciles those two numbers is company-wide operating profit compounding at the fastest rate the company can self-fund for something like 28 years. The arithmetic runs at a 13.1% cost of capital. The near-term pace is ordinary by this company's own recent standards; the length is not. Roughly 15% of the fast-growers used as the reference were still going at that clip a decade on.

The valuation methods split cleanly, and that split is where the argument lives. Book-value approaches land an order of magnitude below the quote. So does the lens that capitalizes a five-year average of operating income at a 9% cost of capital and credits no growth whatever, which is simply what the business is worth if it keeps doing exactly what it has done. Applying the technology sector's revenue multiple to last year's sales closes part of the remaining distance but nothing like the bulk of it. Only the forward-growth methods arrive, and the most generous of them arrives by assuming the market still pays the same rich cash-flow multiple seven years out that it pays today. That is not a method finding value the others missed. It is a method assuming today's opinion never expires.

So the concrete version of what has to be true is a margin, not a story. Through the cycle Allegro has earned about 8.1% operating margins. Over the trailing year it earned 1.6%. The company describes itself as serving higher growth applications, primarily in automotive and industrial markets, and the first evidence that the mix is doing something to the cost structure sits in the research line: 23.1% of our total net sales for the fiscal year ended March 27, 2026, a decrease from 24.8% of our total net sales a year earlier. Spending rose; intensity fell. One year of that is a data point, not a trend.

Cohort position is unusual at both ends. Only MACOM (MTSI) at 27.0% and Monolithic Power (MPWR) at 23.9% grew faster over their own trailing years, while Microchip (MCHP) managed 7.1% and Qorvo (QRVO) went backwards at negative 1.1%. On operating margin the ranking inverts: 1.6% for Allegro against 27.1% at MPWR and 16.0% at MTSI. A group rarely ranks one member near the front on growth and last on profitability at the same time, and the price has decided which of those two columns predicts the other.

The balance sheet neither rescues nor endangers that bet. Net debt runs $124.9 million, about 1.8 times the operating income earned through a full cycle, and the business is not consuming cash. Interest is covered about 2.8 times over, which is workable but computed on a depressed operating profit rather than a normal one. Liquidity is not the issue: the company reports no debt outstanding under our revolving credit facility and $256.0 million of additional borrowings available. What the balance sheet buys is time for the margin to arrive, which is the only variable the price is genuinely asking about.

Catalysts

The next scheduled event is close. Allegro reports first-quarter fiscal 2027 results before the market opens on Thursday, July 30, 2026, with a call the same morning. The quarter being reported ended June 26, 2026, and management guided net sales to a range of $245 million to $255 million, which at the midpoint would be growth of about 23% against the year-ago quarter.

The bar was set high by the quarter before it. Fourth-quarter net sales came in at $243.2 million, up 26% year over year, and full-year fiscal 2026 net sales reached $890.1 million, up 23%. Two things in the print will matter more than the headline. First, whether the industrial and data-center demand that drove the mix shift is still accelerating or was a restocking effect. Second, gross margin, because the entire distance between a 1.6% trailing operating margin and the 8.1% the business earns through a cycle runs through that line.

Sell-side positioning has moved with the industrial story rather than the automotive one. Mizuho reiterated an Outperform rating and raised its target in early July, citing industrial, AI data-center and robotics demand extending through at least 2027, and both UBS and Evercore ISI lifted targets over the same stretch. That is a sentiment input rather than a fundamental one. The fundamental test is the guidance management issues for the September quarter alongside the July 30 print, since a second consecutive quarter of low-twenties growth is what the long horizon embedded in the price actually requires.

Peer Cohorts (Per Segment, With Filing Citations)

Core business (reported)

Methodology Note

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.

Sources

Allegro MicroSystems earnings announcement, July 9, 2026 · Allegro MicroSystems fourth quarter and fiscal year 2026 results release, May 2026 · Allegro MicroSystems fourth quarter fiscal 2026 results release, May 2026 · broker notes reported by The Fly, July 2026

View the full interactive ALGM report on boothcheck