STL Q4 FY26 profit jumps; FY26 revenue Rs 4,745cr

What STL reported and why it matters

Sterlite Technologies Ltd (STL) reported a sharp improvement in quarterly profitability for Q4 FY26, supported by higher operating performance and a one-off gain. The company’s Q4 numbers also showed strong year-on-year revenue growth and a bigger order pipeline, which investors typically track for visibility in telecom and data centre-linked spending cycles. Alongside the quarterly update, STL also disclosed its full-year FY26 revenue figure and the size of its closing order book. The results were announced on April 29.

Q4 FY26: profit jump aided by a one-off gain

For the fourth quarter of FY26, STL reported net profit of ₹59 crore, up from ₹5 crore in the same quarter last year. The company also disclosed that the quarter included a one-off gain of ₹31 crore, which partly aided the profit increase. The comparison with the immediately preceding quarter was sharper: STL had posted a loss of ₹17 crore in the December quarter. The Q4 swing from loss to profit, even after accounting for the one-off item, is likely to be read as an improvement in underlying execution and utilisation.

Revenue and EBITDA: utilisation and mix supported margins

STL’s revenue for Q4 FY26 rose 37% year-on-year to ₹1,441 crore, compared with ₹1,052 crore in Q4 FY25. EBITDA increased to ₹218 crore from ₹146 crore a year earlier. STL attributed the improvement to higher capacity utilisation and an improved product mix. These drivers matter in optical fibre and cable manufacturing because fixed costs can be meaningful, and changes in mix can move margins even when pricing conditions remain competitive.

Full-year FY26 revenue: growth numbers disclosed

For the full year FY26, STL reported revenue of ₹4,745 crore. The company said this reflected growth of 18.8% year-on-year and about 14.7% sequentially in the March quarter. The same set of provided materials also contains another full-year revenue figure of ₹4,032 crore for FY2025-26 in a separate market commentary, indicating conflicting references across sources included in the input text. In this article, the full-year revenue figure is taken from STL’s April 29 FY26 result disclosure: ₹4,745 crore.

Order intake and open order book: visibility improves

STL reported that order intake surged 110%, and the open order book stood at ₹7,309 crore at the end of FY26. The company linked the order book to large-scale data centre and telecom projects. It also stated that these projects span key markets including North America, Europe and India. A rising order book can support near-term revenue visibility, particularly when quarterly demand is uneven or projects are execution-driven.

Business context: telecom and data centre demand themes

The projects referenced by STL are aligned with two broad demand pools highlighted in the provided material: telecom network rollouts and data centre build-outs. STL’s order book description specifically mentioned data centre and telecom projects, which typically require high fibre density and high-quality cable deployment. Execution timing and customer capex cycles can still influence quarter-to-quarter performance, but a larger open order book generally reduces near-term uncertainty compared with periods of low inflows.

Stock price references and broader market context in the input

The provided material contains multiple price points for STLTECH across different dates and contexts. It states that STLTECH was at ₹298.22 on April 29, 2026. Separately, a March 23, 2026 market note in the input mentions an intraday low of ₹174 and a one-day change of -7.32%, in a session where the Telecom - Equipment & Accessories sector fell 5.05% and the Sensex closed down 2.39% at 72,750.07. Another section references a 52-week high of ₹205.73 and a 52-week low of ₹41.36 in April 2025, alongside commentary about a recovery rally and subsequent consolidation.

Market impact: what investors will likely focus on

The Q4 FY26 profit number is headline-positive, but the disclosed one-off gain of ₹31 crore means investors may separate underlying operating improvement from non-recurring benefits. The year-on-year rise in Q4 revenue to ₹1,441 crore and EBITDA to ₹218 crore provides additional evidence of better utilisation and mix. At the same time, the input text includes separate commentary describing STL as loss-making on a full-year basis with a net loss of ₹72 crore for FY26, which would keep attention on consistency of profitability rather than a single quarter’s swing. The open order book of ₹7,309 crore and 110% order intake growth are likely to be tracked as leading indicators for whether the operational improvement can be sustained.

Key numbers at a glance

What to watch after the Q4 disclosure

Investors will watch whether EBITDA levels and margins hold without one-off gains, and whether revenue conversion from the ₹7,309 crore order book shows up in subsequent quarters. Since STL highlighted North America, Europe and India as key markets for large projects, any updates on execution progress across these regions could influence near-term expectations. With the company citing capacity utilisation and product mix as drivers, the next set of results will be important for judging repeatability. The next milestones will likely come through quarterly performance updates and any further disclosures on order intake, order book movement, and major project wins.