Aster DM profit surges as tax rate drops, stock reaction beats history
Operating margin recovered to 19.67%, but remained 3.71 percentage points below the healthcare peer median.
Filed 30 Apr 2026, 16:03 IST · after market close · Aster DM Healthcare Ltd (ASTERDM)
Key takeaways
- Consolidated operating profit rose +10.10% QoQ as expenses fell faster than revenue, lifting operating margin by 1.85 percentage points.
- Net profit jumped +161.86% QoQ, helped by a 37.11-percentage-point drop in the tax rate to 5.98%.
- The stock rose 6.25% on the first trading day after results, above its 3.35% median move after the previous eight results.
Price around the results
Operating profit recovered on tighter cost growth
Consolidated revenue was nearly flat QoQ, down 0.29%, while expenses fell 2.54%, allowing operating profit to rise 10.10% and operating margin to improve by 1.85 percentage points. On a year-on-year basis, revenue grew 18.20% against 17.51% expense growth, which lifted operating profit 21.09% and margin by 0.47 percentage points.
Tax reset amplified the Q4 profit increase
The QoQ profit increase was amplified by the tax rate falling from 43.09% to 5.98%, a decline of 37.11 percentage points, while profit before tax rose 58.52%. Other income accounted for 17.14% of pre-tax profit, so reported earnings included a meaningful non-operating contribution; interest expense also fell 4.67% QoQ. YoY, profit before tax rose 80.42% and net profit rose 79.54%, with the tax rate broadly stable and up 0.46 percentage points.
Margin recovered but stayed below healthcare peers
Operating margin improved from 17.82% in Q3FY26 to 19.67% in Q4FY26 after reaching 20.87% in Q2FY26, indicating a recovery rather than a continuation of the previous quarter's decline. Aster's margin was 3.71 percentage points below the 23.38% median for the 48 healthcare peers that had reported, placing it 13th from the bottom.
Patient volumes and bed additions underpin management's expansion narrative
Management said Kerala's total patient volume rose 20% year on year, with inpatient volume up 11% and outpatient volume up 20%; it also reported 20% growth in Andhra and Telangana patient volume. Management said the Kerala cluster is expected to reach nearly 3,755 beds and that the Karnataka cluster is positioned for accelerated growth in coming quarters. The presentation said brownfield additions include 350 beds at Aster CMI, 150 at MIMS Calicut, 130 at MIMS Kannur and 100 at Aster Medcity, while the Aster Medcity project was awaiting statutory approvals.
Post-result rise was larger than Aster's usual move
The stock gained 6.25% on the first trading day after the results, remained up 5.53% after five trading days and was up 11.27% after 30 trading days. This was a larger-than-usual initial reaction: six of the previous eight result reactions were positive and the median absolute move was 3.35%; first-day volume was 19.36 times the reference level.
Q4FY26 at a glance
Consolidated figures as filed with NSE — cross-checked against an independent source.
| Line item | Q4FY26 | Q3FY26 | QoQ | YoY |
|---|---|---|---|---|
| Revenue | ₹1,182 cr | ₹1,186 cr | -0.29% | +18.20% |
| Other income | ₹28 cr | ₹-9 cr | — | — |
| Expenses | ₹950 cr | ₹975 cr | -2.54% | +17.51% |
| Operating profit | ₹233 cr | ₹211 cr | +10.10% | +21.09% |
| Operating margin (%) | 19.67% | 17.82% | — | — |
| Interest | ₹30 cr | ₹31 cr | -4.67% | -7.52% |
| Depreciation | ₹67 cr | ₹68 cr | -0.64% | +5.14% |
| Profit before tax | ₹163 cr | ₹103 cr | +58.52% | +80.42% |
| Tax | ₹10 cr | ₹44 cr | -78.00% | +95.40% |
| Net profit | ₹154 cr | ₹59 cr | +161.86% | +79.54% |
| EPS (₹) | ₹2.72 | ₹1.02 | +166.67% | +71.07% |
Operating margin of 19.67% compares with a Healthcare sector median of 23.38% across 48 peers that have reported Q4FY26.
How the stock reacted
| Window | Stock | vs NIFTY |
|---|---|---|
| Results day | +6.25% | +5.74% |
| Next session | +5.96% | — |
| 5 sessions | +5.53% | +6.29% |
| 15 sessions | +6.54% | — |
| 30 sessions | +11.27% | — |
Volume on the results session was 19.36× 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
- Kerala's total patient volume increased 20% year on year, with inpatient volume up 11% and outpatient volume up 20%.
- Andhra and Telangana's total patient volume increased 20% year on year, with inpatient volume up 17% and outpatient volume up 21%.
Guidance & outlook
- The Kerala cluster is expected to have nearly 3,755 beds.
- The Karnataka cluster is positioned for accelerated growth in coming quarters.
Planned next quarter
- The Karnataka cluster expects accelerated growth in coming quarters after executing doctor hiring and retention strategies.
Expansion
- The construction start date for one greenfield project is June 2025.
- Brownfield expansions include 350 beds at Aster CMI, 150 at MIMS Calicut, 130 at MIMS Kannur and 100 at Aster Medcity.
Problems & risks
- The Kerala cluster faced a temporary minor impact from a nurses' strike.
- The Aster Medcity brownfield expansion is awaiting statutory approvals.
What to watch
- Whether operating margin holds above 19.67% after the Q4 recovery.
- Whether the tax rate remains near 5.98% or returns closer to the 43.09% reported in Q3FY26.
- Progress on the reported 350-bed Aster CMI expansion and the 100-bed Aster Medcity expansion awaiting statutory approvals.