Blue Star margin improves, but stock falls 7.72% after results
Revenue growth was muted year on year, while higher other income supported profit and the operating margin remained below the sector median.
Filed 06 May 2026, 16:52 IST · after market close · Blue Star Ltd (BLUESTARCO)
Key takeaways
- Consolidated revenue grew only 1.32% year on year, but slower expense growth lifted operating margin by 1.06 percentage points to 8.01%.
- Net profit rose 17.10% to Rs 227.18 cr despite a 2.27-percentage-point increase in the tax rate, while other income contributed 15.04% of pre-tax profit.
- The stock fell 7.72% five sessions after the results, compared with a 4.14% median absolute move after its previous eight results.
Price around the results
Muted annual growth, sharper sequential recovery
Blue Star's consolidated revenue rose 1.32% year on year to Rs 4,072.06 cr, as expenses increased just 0.17%; this lifted operating profit 16.77% and widened operating margin by 1.06 percentage points. Sequentially, revenue increased 39.20% and expenses 38.50%, taking operating margin up 0.46 percentage points. The annual comparison is more informative for this seasonal quarter, while the sequential data shows a marked recovery from Q3FY26.
Margin recovery came with a quality caveat
Pre-tax profit grew 20.61% year on year, but interest expense rose 22.99% and depreciation increased 36.17%, indicating higher non-operating charges below operating profit. Other income rose 91.27% and accounted for 15.04% of pre-tax profit, so part of the profit growth did not come from operations. The tax rate also increased by 2.27 percentage points to 24.30%, limiting the conversion of pre-tax growth into net profit growth of 17.10%.
Operating margin recovered, but remains below peers
The 8.01% operating margin was the highest in the five-quarter trend shown, after declining from 7.46% in Q3FY25 to 6.71% in Q1FY26 before recovering. It was 6.80 percentage points below the 14.81% median for 93 Consumer Discretionary peers that had reported the quarter. Blue Star ranked 15th from the bottom on this comparison.
Management points to project demand and overseas expansion
Management said Electro-Mechanical Projects saw enquiry momentum from buildings, data centers and factories, with order bookings growing 35% during the quarter. The company said its US expansion was progressing and that supplies to Europe had begun, while tariff-related uncertainties continued to affect international business. Management also said room air-conditioner demand picked up in March for summer stocking; it flagged stagnant deep-freezer and cold-room markets and slower Med-Tech Solutions activity because of an unclear regulatory framework.
The market reaction was worse than usual
The stock fell 3.21% on the first trading day after the results and was down 7.72% after five sessions, with first-day volume at 2.41 times its reference level. This was weaker than the stock's usual post-results move: it fell after five of the previous eight results, but the median absolute move was 4.14%.
Q4FY26 at a glance
Consolidated figures as filed with NSE — cross-checked against an independent source.
| Line item | Q4FY26 | Q3FY26 | QoQ | YoY |
|---|---|---|---|---|
| Revenue | ₹4,072 cr | ₹2,925 cr | +39.20% | +1.32% |
| Other income | ₹45 cr | ₹-45 cr | — | +91.27% |
| Expenses | ₹3,746 cr | ₹2,705 cr | +38.50% | +0.17% |
| Operating profit | ₹326 cr | ₹221 cr | +47.81% | +16.77% |
| Operating margin (%) | 8.01% | 7.55% | — | — |
| Interest | ₹23 cr | ₹22 cr | +4.39% | +22.99% |
| Depreciation | ₹48 cr | ₹46 cr | +5.17% | +36.17% |
| Profit before tax | ₹300 cr | ₹108 cr | +178.84% | +20.61% |
| Tax | ₹73 cr | ₹27 cr | +169.34% | +33.00% |
| Net profit | ₹227 cr | ₹81 cr | +182.04% | +17.10% |
| EPS (₹) | ₹11.05 | ₹3.92 | +181.89% | +17.06% |
Operating margin of 8.01% compares with a Consumer Discretionary sector median of 14.81% across 93 peers that have reported Q4FY26.
How the stock reacted
| Window | Stock | vs NIFTY |
|---|---|---|
| Results day | -3.21% | -3.19% |
| Next session | -6.30% | — |
| 5 sessions | -7.72% | -5.08% |
| 15 sessions | -12.04% | — |
| 30 sessions | -7.66% | — |
Volume on the results session was 2.41× its 20-day average.
What management said
From the company’s own investor presentation. Each point is checked against the source document before it appears here.
This quarter
- Electro-Mechanical Projects saw strong enquiry momentum from buildings, data centers and factories, with order bookings growing 35%.
- Room air conditioner demand picked up in March for summer stocking.
Guidance & outlook
- The company sees continued growth prospects from rising opportunities in data centers and factories.
Expansion
- The company’s expansion in the US is progressing well, and supplies to Europe have commenced.
- A 1.2 MWp captive solar installation is under commissioning.
New orders
- Order bookings in Electro-Mechanical Projects grew by 35% during the quarter.
New products
- The company launched a wide range of new room air conditioners complying with new BEE norms.
Problems & risks
- Tariff-related uncertainties continue to affect the international business environment.
- The deep freezer and cold room market remained stagnant.
- An unclear regulatory policy framework has slowed the Med-Tech Solutions business.
What to watch
- Whether consolidated operating margin holds above 8.01% after the Q4FY26 recovery.
- Whether other income remains below its 15.04% share of pre-tax profit.
- Whether Electro-Mechanical Projects sustains order-booking growth from the reported 35% increase.