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Luminex PLC: research report

Moderately overvaluedbearishAug 13, 2026

Luminex's latest quarter brought an 88.7% revenue surge, but it remained loss-making. The share's 21.0% three-month fall leaves execution and cash generation unresolved.

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Why bearish

  • The June quarter's net loss widened by LKR 44 million year-on-year.
  • Gearing rose to 32.7% from 6.0% of owners' equity, while interest cover remained negative at -0.85x.
  • The share fell 21.0% over three months, versus a 6.0% decline for the ASPI.

Against this. Revenue grew 88.7% year-on-year and operating margin improved by 12.0 points, although it remained negative.

Operating margin
-19.3%sector 13.6%
from -31.2% a year earlier
Net margin
-23.4%sector 10.9%
from -29.8% a year earlier, revenue +88.7%
Return on equity
-0.4%sector 9.5%
full year to Mar 31, 2026
P/B
1.44sector 1.09
book Rs 6.19 per share

Current figures, updated daily from filings to Jun 30, 2026. The report below was written on Aug 13, 2026. Sector figures are the median of 32 listed companies in the same sector.

Overview

Luminex is a diversified Sri Lankan engineering and construction services provider spanning telecommunications, civil and water infrastructure, and electrical engineering. The latest quarter showed a sharp recovery in activity, but the higher revenue did not translate into operating or net profit. June is structurally the company's weakest quarter for net margin, so the loss needs to be judged against comparable Junes rather than against stronger reporting periods.

Price performance

The price was 22.3% below its 52-week high and sat at 52.6% of its 52-week range. Recent trading was quieter than the company's own annual norm: volatility was below its one-year level and volume was below its recent average. The three-month decline occurred without company news, while operating margin improved, leaving price and operations pointing in different directions.

Valuation

The dividend record is weaker than the headline valuation alone suggests. Restated dividends were LKR 0.25 per share in FY2024 and FY2023, down from LKR 0.40 in FY2022, and no current dividend yield is reported.

News and sentiment

The latest confirmed corporate action was the FY2024 final dividend, which went ex on 2024-08-22 and was paid on 2024-09-10. No undated corporate action is recorded.

Financials

The latest group filing reported total equity of LKR 1.66 billion and 271.25 million shares outstanding, unchanged across the comparable quarters. Finance costs and tax, associates and foreign-exchange items created a LKR 24 million below-the-line drag in June.

Risks

The operating environment remains mixed. Construction PMI reached 60, and a USD 200 million reconstruction package supports sector activity, but skilled-worker, bitumen and supply constraints could pressure project execution. Inflation reached 7.3% after a roughly 47% fuel-price increase, adding cost pressure.

Outlook

Lower market interest rates and construction activity provide a more supportive backdrop, but the available data cannot establish whether sector projects will become Luminex contracts or improve its margins. Until the next filing, the central evidence remains strong revenue growth alongside negative operating profit, weak cash generation and higher gearing.

About this report. Generated on Aug 13, 2026 from market data up to Aug 13, 2026, 0 material news articles over 90 days and financials to Jun 30, 2026. Every figure is drawn from EquityLK's own data on this company. AI research can contain errors, so treat it as a starting point, not investment advice.

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