Richardson Electronics, Ltd. (RELL) | The Buildout — AI Infrastructure

——Mkt cap — · 52-wk —–— · YTD — · delayed
Updated Sep 22, 2026Q4 FY2026 reviewed
Richardson Electronics makes RF, microwave and power components that go into semiconductor manufacturing equipment.
Q4 sales +27.6%
Net sales $66.2M, the highest quarter since fiscal 2023.
Backlog $164.4M
Three-year high; up 8.7% from the prior quarter.
FY26 net income $6.4M
Swung from a $1.1M net loss in fiscal 2025.
Wafer-fab visibility low
Fastest-growing line is release-driven, management says.
The Buildout Takeaway
The AI buildout reaches Richardson indirectly — it sells components into the equipment that makes AI chips, not into data centers themselves. A return to profit shows orders are landing, but management's own caution about forecast visibility leaves the durability of the latest quarter unproven.
1 analysts·0 Buy1 Hold0 Sell
Coverage is thin — only 1 price estimate, so no target is shown

No formal revenue, EPS or margin guidance; management points to continued wafer-fab demand through fiscal 2027 and has re-anchored its double-digit growth expectation for GES to that year.
Important: The Buildout is a data analytics platform. Content is generated by algorithms and AI agents using public filings, earnings transcripts, and market data. This is not personalized investment advice.
Our View

The Verdict

Richardson Electronics is an 80-year-old manufacturer and distributor of engineered solutions: power grid and microwave tubes, RF and microwave components, power-conversion products, and custom displays. For the AI buildout its role is indirect. It sells high-power components and electron tubes into the equipment that makes advanced semiconductors — the chips that end up in accelerators and data centers — rather than into the data centers themselves. It also sells battery energy storage into commercial, industrial and utility power, an early-stage effort management describes as niche rather than hyperscale.

Market Cap—
Revenue (TTM)$229M
Revenue Growth+9.4%
EBITDA Margin (TTM)4.5%
Net Cash$30M
Earnings Beats5 of 7
P/E (TTM)—
EV/EBITDA (TTM)—

What We Like

  • Fiscal 2026 net sales rose 9.4% to $228.6M, and the fourth quarter jumped 27.6% to $66.2M — the eighth straight quarterly increase and the highest quarter since fiscal 2023.
  • The company swung to profit: fiscal 2026 operating income of $6.5M and net income of $6.4M, against a fiscal 2025 operating loss of $2.5M and net loss of $1.1M.
  • Backlog ended fiscal 2026 at $164.4M, a three-year high and up 8.7% from the prior quarter; the combined PMT and GES backlog rose 24.8% exiting the year.
  • The balance sheet carries $31.8M of cash and no outstanding debt on the PNC revolver, with the $0.06 quarterly dividend maintained.
  • Operating leverage showed up: operating expenses fell to 26.6% of net sales in the fourth quarter from 30.0% a year earlier.

What We’re Watching

  • Semiconductor wafer-fab is the strongest growth line and the least forecastable — management says it has "limited visibility" and that revenue is release-driven.
  • Margin mix can dilute even as volume grows: fourth-quarter gross margin fell 40 basis points, and full-year gross margin rose only 20 basis points.
  • GES grew 7.3% in fiscal 2026, below the "double-digit" framing management gave a quarter earlier; the double-digit claim now sits on fiscal 2027.
  • Several dated commitments still have to land: a multimillion-dollar battery-storage order in Q1 FY2027, a demo center that slipped a quarter, and Made-in-America revenue due "later in the fiscal year."
Bottom Line

The thesis is building rather than proven. Richardson returned to profitability in fiscal 2026 and exited with its highest backlog in three years, and two new vectors — battery energy storage and Made-in-America programs — moved from quoting to activity. But the year's growth was carried by a single quarter, the segment driving it is the one management says it cannot forecast, and one dated growth-rate commitment (GES double-digit growth in fiscal 2026) came in below its framing. The open question is whether the fourth-quarter step-up reflects durable demand or release timing.

Next upThe next catalyst is the Q1 FY2027 earnings call, the venue for the expected multimillion-dollar battery-storage order and the first check on whether the fourth-quarter step-up carries into the new fiscal year. Management also appears at the Midwest IDEAS conference on 2026-08-26 and the Lytham Partners Fall 2026 conference on 2026-09-29/30.
Last Quarter — Q4 FY2026

Earnings Beat

Fourth-quarter net sales rose 27.6% year over year to $66.2M — the eighth consecutive quarterly increase and the highest quarter since the third quarter of fiscal 2023. Gross margin was 31.2%, down 40 basis points year over year on product mix. Operating income was $3.9M and net income $3.7M, or $0.25 diluted, against $0.6M and $1.1M in the prior-year quarter. Canvys set a quarterly revenue record at $12.3M, up 29.5%, and PMT sales excluding legacy healthcare rose 31.1% to $47.1M.

MetricQ4 FY2026Q3 FY2026Q4 FY2025YoY
Revenue$66M$56M$52M+27.6%
Gross margin31.2%31.9%31.6%-40bps
EBITDA$5M$2M$2M+193.8%
EPS$0.29$0.07$0.09+231.1%
Total backlog$164.4M$151.2Mn/a—
Canvys book-to-bill1.3n/an/a—
This was our eighth consecutive quarterly year over year increase in sales, and the highest quarterly net sales since the third quarter of fiscal 23.— Edward J. Richardson, CEO, 2026-07-23

Management tone: Management's tone was confident on the fiscal 2026 outcome and the fiscal 2027 setup, but measured on durability. On the fourth-quarter call, executives tied forward optimism to backlog and to new products and partners rather than to forecasts, flagged "limited visibility" in the semiconductor wafer-fab market, and cautioned that backlog does not convert to revenue on a linear basis. Asked about a manufacturer-versus-distribution split, the CFO initially declined to provide it before the CEO volunteered a 55-60% figure.

Management Guidance

Richardson does not issue formal revenue, EPS or margin guidance. On the fourth-quarter call, management pointed to continued wafer-fab demand into fiscal 2027 and re-anchored its double-digit growth expectation for GES to that year, after GES grew 7.3% in fiscal 2026. It said it expects to announce a multimillion-dollar battery-storage order in Q1 FY2027, that Made-in-America programs should convert to revenue beginning later in fiscal 2027, and that CT healthcare bottom-line results should be significantly improved in fiscal 2027. No revenue or margin figures were given.

Business Trajectory

Trajectory

Revenue has grown year over year for eight consecutive quarters, and the pace stepped up sharply in the fourth quarter of fiscal 2026 — from a 3.1% year-over-year increase in the third quarter to 27.6% in the fourth, which carried the full year to $228.6M, up 9.4%. The step-up came from PMT (ex-healthcare sales up 31.1%), a record Canvys quarter at $12.3M and a small GES bounce. Profitability turned with it: fiscal 2026 operating income was $6.5M, against an operating loss of $2.5M in fiscal 2025, and diluted EPS was $0.44. The question is durability. Consolidated gross margin was 31.2% for the year but slipped 40 basis points in the fourth quarter on product mix, and the fastest-growing segment carries the mix management says can be margin-dilutive.

Revenue & Margin Trajectory
RevenueGross margin$0$25$50$33M$34M$32M$37M$37M$39M$42M$46M$44M$41M$39M$42M$41M$40M$38M$37M$39M$42M$45M$50M$54M$54M$55M$62M$68M$66M$70M$59M$53M$44M$52M$47M$54M$50M$54M$52M$55M$52M$56M$66M31%31%Q1'17Q2Q3Q4Q1'18Q2Q3Q4Q1'19Q2Q3Q4Q1'20Q2Q3Q4Q1'21Q2Q3Q4Q1'22Q2Q3Q4Q1'23Q2Q3Q4Q1'24Q2Q3Q4Q1'25Q2Q3Q4Q1'26Q2Q3Q4
RevenueGross margin$0$25$50$33M$34M$32M$37M$37M$39M$42M$46M$44M$41M$39M$42M$41M$40M$38M$37M$39M$42M$45M$50M$54M$54M$55M$62M$68M$66M$70M$59M$53M$44M$52M$47M$54M$50M$54M$52M$55M$52M$56M$66M31%31%Q1'17Q2Q3Q4Q1'18Q2Q3Q4Q1'19Q2Q3Q4Q1'20Q2Q3Q4Q1'21Q2Q3Q4Q1'22Q2Q3Q4Q1'23Q2Q3Q4Q1'24Q2Q3Q4Q1'25Q2Q3Q4Q1'26Q2Q3Q4
Gross margin as reported.
Share Price — 12 Months
$10$20$052-wk high $21Sep '25DecMar '26JunSep '26
52-week range $10–$21.
Share Price — 12 Months
$10$20$052-wk high $21Sep '25DecMar '26JunSep '26
52-week range $10–$21.
The Numbers

The Model

For FY+1 the model projects revenue of $269.6M and EBITDA of $18M, a 6.7% margin. For FY+2 it projects revenue of $318.0M and EBITDA of $28M, an 8.9% margin. Both sit above the fiscal 2026 base of $228.6M in revenue and $10.2M of trailing EBITDA. The near term is anchored on a backlog management says converts mostly within five quarters and on continued semiconductor wafer-fab demand; the FY+2 step assumes the battery-storage and Made-in-America vectors add to revenue alongside PMT and Canvys.

Revenue & EBITDA Projections
REVENUE$229M$270M$318MFY26FY+1 (E)FY+2 (E)EBITDA & MARGIN$10M$18M$28M8.9%FY26FY+1 (E)FY+2 (E)
REVENUE$229M$270M$318MFY26FY+1 (E)FY+2 (E)EBITDA & MARGIN$10M$18M$28M8.9%FY26FY+1 (E)FY+2 (E)
Solid bars are reported actuals; outlined bars are model projections — not company guidance.
MetricFY2026Next FY (E)Following FY (E)
Revenue$229M$270M$318M
YoY Growth—+17.9%+18.0%
EBITDA$10M$18M$28M
EBITDA Margin4.5%6.7%8.9%

Projections are the median of 5 independent model runs. The model’s revenue sits 13.9% above analyst consensus.

Richardson does not issue formal revenue, EPS or margin guidance. On the fourth-quarter call, management pointed to continued wafer-fab demand into fiscal 2027 and re-anchored its double-digit growth expectation for GES to that year, after GES grew 7.3% in fiscal 2026. It said it expects to announce a multimillion-dollar battery-storage order in Q1 FY2027, that Made-in-America programs should convert to revenue beginning later in fiscal 2027, and that CT healthcare bottom-line results should be significantly improved in fiscal 2027. No revenue or margin figures were given.

What Could Go Right — and Wrong

What good looks like
  • The backlog converts on schedule — management says the bulk of PMT and GES backlog ships within the fiscal year or within five quarters.
  • Wafer-fab demand holds into fiscal 2027 as customers are signalling, steadying the least forecastable line.
  • Battery storage scales past the first shipment: the expected Q1 FY2027 multimillion-dollar order lands and the pipeline converts to booked orders.
  • Made-in-America programs convert to revenue in fiscal 2027, adding a new demand vector.
  • Gross margin stops drifting and the fourth-quarter mix dip reverses while revenue keeps growing.
What could go wrong
  • The fourth-quarter step-up proves to be release timing rather than sustained demand, and revenue reverts toward the earlier growth rate.
  • Gross margin keeps eroding by mix, since the fastest-growing segment carries the dilutive mix.
  • GES misses a second forward claim — its fiscal 2027 "stronger growth" framing follows a fiscal 2026 miss.
  • Battery storage stalls below commercial scale; the niche positioning caps revenue per project.
  • Supplier concentration bites: two suppliers each above 10% of cost of sales are unnamed.
What’s Next

Looking Ahead

The next twelve months turn on whether the fourth quarter's step-up becomes a trend. Management has pointed to a multimillion-dollar battery-storage order in Q1 FY2027, a 20-newton-metre wind turbine product and a battery-storage demo center also due in Q1, Made-in-America revenue later in fiscal 2027, and a full release of its MX CT tube pending customer review. It expects growth in PMT and GES and "significantly improved" CT healthcare results, and it says it will keep cash for growth rather than buybacks. The Q1 FY2027 call is the first test of all of it.

Catalysts
  • 2026-08-26Midwest IDEAS conference — Management presents; venue for battery-storage and Made-in-America updates.
  • Q1 FY2027Expected battery-storage order — Management expects to announce a multimillion-dollar BES order.
  • Q1 FY2027Battery-storage demo center — Design and demo center expected online after slipping a quarter.
  • Q1 FY2027Wind product launch — The 20-newton-metre wind turbine product is due out in Q1.
  • 2026-09-29Lytham Partners conference — Virtual investor conference; updates between earnings calls.
  • Later FY2027Made-in-America revenue — Kiosk and defense programs expected to start converting to revenue.
Numbers

Financials

Annual Summary

MetricFY2025FY2026TTMYoY
Revenue$209M$229M$229M+9.4%
Gross Margin31.1%31.2%31.2%+15bps
EBITDA$6M$10M$10M+56.9%
EBITDA Margin3.1%4.5%4.5%+135bps
Net Income−$1M$6M$6M+633.3%
Free Cash Flow$8M−$10M−$10M—
Net Cash————

Key Ratios (Trailing)

Valuation
  • P/E TTM—
  • EV/EBITDA TTM—
  • EV/Revenue TTM—
  • Price/FCF TTM—
Profitability
  • Gross Margin (TTM)31.2%
  • EBITDA Margin (TTM)4.5%
  • Net Margin (TTM)2.8%
  • ROIC3.9%
  • FCF Conversion-94.1%
  • SBC / Revenue0.7%
Reference

The Company

Richardson Electronics is an 80-year-old global manufacturer and distributor of engineered solutions. It makes power grid and microwave tubes, RF and microwave components, power-conversion and green-energy products, ultracapacitor modules and custom displays, serving alternative energy, healthcare, aviation, broadcast, communications, industrial, marine, medical, military, scientific and semiconductor markets. It reports through three segments: Power and Microwave Technologies (PMT), the largest and current growth engine; Green Energy Solutions (GES), the smallest and newest; and Canvys, which builds customized displays for medical and industrial OEMs. A legacy Healthcare business now repairs Siemens CT tubes for one customer.

The company manufactures more than half of what it sells — management puts it at 55-60% of products either made directly or made exclusively to its specification. Its anchor plant is LaFox, Illinois: owned, roughly 100 acres and about 224,000 square feet of manufacturing, warehouse and office space. Its other sites, in Massachusetts, Germany, the Netherlands, Singapore, Brazil, China, Thailand and the United Kingdom, are leased. A new Sweetwater, Texas location appeared on the Q4 FY2026 call and is not in the fiscal 2025 10-K property list.

Business Segments

Power and Microwave Technologies (PMT)
Largest segment; Q4 ex-healthcare sales $47.1M
RF, microwave and power components plus power grid and microwave tubes for semiconductor and industrial markets.
Growth driver: Semiconductor wafer fab and RF/microwave demand
Green Energy Solutions (GES)
Smallest segment; Q4 sales $1.1M
Battery energy storage and power-management products for wind, solar, hydrogen and electric vehicles.
Growth driver: Battery-storage pipeline converting to orders
Canvys
Q4 record revenue $12.3M
Customized displays — touch screens, enclosures and all-in-one units — for medical and industrial OEMs.
Growth driver: Medical OEM display programs

Competitive Landscape

Richardson's competitive case rests on specification rather than scarcity. Management says 55-60% of what it sells is manufactured directly or made exclusively to its specification, and cites technical knowledge, global sourcing and inventory position as the reasons customers stay. The fiscal 2025 10-K flags one slow-burn threat: a limited number of Chinese manufacturers whose ability to produce vacuum tubes has progressed over several years — a note that sits directly against the Made-in-America effort. In battery storage, management describes a field of small LLCs and points to longevity and a debt-free balance sheet as its differentiators, noting that more than 100 LLCs went bankrupt in 2025.

  • Limited Chinese vacuum-tube manufacturers (unnamed)
    The 10-K notes a limited number of Chinese manufacturers whose ability to produce vacuum tubes has progressed over several years.
  • Named in the wiring map as an inferred component-distribution competitor; not discussed by the company.
  • Named in the wiring map as an inferred component-distribution competitor; not discussed by the company.
  • Named in the wiring map as an inferred components competitor; not discussed by the company.
  • Named in the wiring map as an inferred components competitor; not discussed by the company.
The 10-K names only a group of Chinese vacuum-tube manufacturers; the named component and distribution companies come from the machine-inferred wiring map and are not company-confirmed.

Supply Chain

Richardson buys essential products from a concentrated supplier base and manufactures or integrates more than half of what it sells. Its fiscal 2025 10-K discloses that two suppliers each accounted for more than 10% of cost of sales, without naming them. No supply-chain neighbor in the source names the company.

Supplier
Gotion
Battery cells for U.S.-manufactured energy storage systems
Supplier
Critical power-grid tube supplier (Talos/Talus)
Power-grid tubes
Supplier
NoMIS Power
Silicon carbide technology partner
→
Manufactured or made to specification
RELL
Manufactures directly or has products made exclusively to its specification.
→
DirectMed Imaging
Sole CT-tube customer
Exclusive 10-year agreement for repaired Siemens CT tubes
GE wind owner-operators
Top 4
RWE, Invenergy, Enel and NextEra; pitch energy modules
GE
Ultracapacitor replacement units for wind turbines

Analysis updated Sep 22, 2026, reviewing Q4 FY2026. Prices delayed. Built with The Buildout’s published methodology. Not investment advice. No positions held. © The Buildout 2026.

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