IRB margin slips sequentially despite 51.26% year-on-year profit growth
Lower year-on-year expenses lifted operating profit, but faster sequential cost growth and higher interest expense narrowed the margin from Q4FY26.
Filed 30 Jul 2026, 13:30 IST · IRB Infrastructure Developers Ltd (IRB)
Key takeaways
- Consolidated operating margin rose 8.58 percentage points year on year as expenses fell 14.15% while revenue grew 1.82%.
- Net profit increased 51.26% year on year, helped by a 2.83 percentage-point lower tax rate, while other income contributed 8.5% of pre-tax profit.
- Sequential operating margin fell 2.26 percentage points because expenses grew 16.64%, faster than revenue growth of 10.91%.
Price around the results
Year-on-year operating leverage lifts Q1 profit
IRB's consolidated revenue grew only 1.82% year on year, but expenses declined 14.15%, lifting operating profit by 21.07%. This operating leverage raised the margin by 8.58 percentage points and helped pre-tax profit grow 45.45%. Sequentially, revenue rose 10.91% and operating profit increased 6.44%, showing that the latest quarter's growth came with lower conversion into operating profit.
Sequential cost growth reverses part of the margin gain
Compared with Q4FY26, expenses grew 16.64%, outpacing revenue growth of 10.91%, so operating margin narrowed from 56.19% by 2.26 percentage points. Interest expense also rose 7.95% sequentially, while depreciation increased 3.76%. Year on year, interest expense fell 5.19%, but depreciation rose 23.84%, partly offsetting the operating improvement.
Margin remains well above peers after three-quarter climb
The margin had risen from 45.35% in Q1FY26 to 52.80% in Q2FY26, 54.64% in Q3FY26 and 56.19% in Q4FY26 before easing to 53.93% in Q1FY27. Thus, the sequential decline interrupts a three-quarter improvement streak, while the year-on-year margin remains higher by 8.58 percentage points. IRB's 53.93% operating margin was 39.29 percentage points above the 14.64% median of 31 Industrials peers that had reported.
No immediate stock reaction is available yet
The consolidated results were filed at 13:30 IST, and there is no market reaction to assess yet. After the previous eight results, the stock rose twice and fell six times, with a median absolute move of 2.86%, so its historical response has more often been negative than positive.
Q1FY27 at a glance
Consolidated figures as filed with NSE — filed ahead of third-party databases, not yet independently cross-checked.
| Line item | Q1FY27 | Q4FY26 | QoQ | YoY |
|---|---|---|---|---|
| Revenue | ₹2,137 cr | ₹1,927 cr | +10.91% | +1.82% |
| Other income | ₹35 cr | ₹50 cr | -29.06% | -46.06% |
| Expenses | ₹985 cr | ₹844 cr | +16.64% | -14.15% |
| Operating profit | ₹1,153 cr | ₹1,083 cr | +6.44% | +21.07% |
| Operating margin (%) | 53.93% | 56.19% | — | — |
| Interest | ₹438 cr | ₹406 cr | +7.95% | -5.19% |
| Depreciation | ₹333 cr | ₹321 cr | +3.76% | +23.84% |
| Profit before tax | ₹417 cr | ₹406 cr | +2.70% | +45.45% |
| Tax | ₹110 cr | ₹109 cr | +0.85% | +31.44% |
| Net profit | ₹306 cr | ₹296 cr | +3.38% | +51.26% |
| EPS (₹) | ₹0.25 | ₹0.25 | +0.00% | -26.47% |
Operating margin of 53.93% compares with a Industrials sector median of 14.64% across 31 peers that have reported Q1FY27.
What to watch
- Whether operating margin holds above 53.93% after the sequential decline from 56.19%.
- Whether expense growth stays below revenue growth after rising 16.64% sequentially versus revenue growth of 10.91%.
- Whether the tax rate remains near 26.47% after falling 2.83 percentage points year on year.