Quick Ratios
Quarterly Results
Profit & Loss
Balance Sheet
Cash Flow
Ratios
Mkt Cap
Market Capitalization
₹14,390Cr
Rev Gr TTM
Revenue Growth TTM
18.74%
Peer Comparison
Compare up to 10 companies side by side across valuation, profitability, and growth.

STLTECH
VS
| Quarter | Jun 2023 | Sep 2023 | Dec 2023 | Jun 2024 | Sep 2024 | Dec 2024 | Jun 2025 | Sep 2025 | Dec 2025 |
|---|
|
Growth YoY Revenue Growth YoY% | 2.4 | -11.2 | -29.8 | -55.0 | -42.7 | -28.1 | -24.5 | 24.8 | 17.0 | -3.7 | 25.9 | 37.0 |
| 1,308 | 1,281 | 1,232 | 812 | 808 | 957 | 892 | 927 | 888 | 905 | 1,137 | 1,246 |
Operating Profit Operating ProfitCr |
| 14.1 | 14.3 | 6.8 | 3.7 | 7.3 | 10.9 | 10.6 | 11.9 | 12.9 | 12.5 | 9.6 | 13.5 |
Other Income Other IncomeCr | 22 | 5 | 20 | 13 | 8 | 2 | 5 | 21 | 8 | 12 | -6 | 54 |
Interest Expense Interest ExpenseCr | 92 | 95 | 94 | 71 | 56 | 62 | 58 | 65 | 50 | 55 | 56 | 63 |
Depreciation DepreciationCr | 81 | 85 | 84 | 81 | 78 | 79 | 80 | 79 | 77 | 80 | 79 | 77 |
| 63 | 38 | -68 | -108 | -62 | -22 | -27 | 2 | 13 | 6 | -21 | 109 |
| 19 | 12 | -17 | -15 | -14 | -5 | -12 | -3 | 3 | 2 | -4 | 50 |
|
Growth YoY PAT Growth YoY% | 316.7 | -20.0 | -225.5 | -230.2 | -192.3 | -143.8 | 59.3 | 51.2 | 120.8 | 128.6 | 29.2 | 247.5 |
| 3.4 | 2.1 | -4.5 | -9.7 | -5.5 | -1.3 | -2.4 | -3.8 | 1.0 | 0.4 | -1.4 | 4.1 |
| 0.9 | 0.6 | -1.0 | -1.4 | -0.7 | -0.2 | -0.3 | -0.6 | 0.2 | 0.1 | -0.3 | 1.2 |
| Financial Year | Mar 2015 | Mar 2016 | Mar 2017 | Mar 2018 | Mar 2019 | Mar 2020 | Mar 2021 | Mar 2022 | Mar 2023 | Mar 2024 | Mar 2025 | Mar 2026 |
|---|
|
| | -30.8 | 14.2 | 29.7 | 60.1 | 1.3 | -6.4 | 12.7 | 27.4 | -41.0 | -2.1 | 18.7 |
| 2,636 | 1,685 | 1,930 | 2,428 | 3,960 | 4,085 | 4,015 | 4,772 | 6,035 | 3,613 | 3,580 | 4,176 |
Operating Profit Operating ProfitCr |
| 14.9 | 21.4 | 21.2 | 23.6 | 22.2 | 20.8 | 16.8 | 12.2 | 12.8 | 11.5 | 10.4 | 12.0 |
Other Income Other IncomeCr | 51 | 11 | 21 | 38 | 37 | -16 | 58 | 80 | 45 | 61 | 36 | 75 |
Interest Expense Interest ExpenseCr | 327 | 119 | 123 | 104 | 105 | 221 | 203 | 238 | 311 | 293 | 241 | 224 |
Depreciation DepreciationCr | 185 | 126 | 159 | 182 | 195 | 290 | 285 | 308 | 309 | 314 | 316 | 313 |
| 0 | 225 | 257 | 502 | 864 | 542 | 380 | 199 | 315 | -76 | -105 | 107 |
| 4 | 65 | 40 | 133 | 278 | 109 | 111 | 52 | 84 | -5 | -33 | 51 |
|
| | 4,563.4 | 36.3 | 69.3 | 58.9 | -26.1 | -37.9 | -45.3 | 57.1 | -130.7 | -1.4 | 177.8 |
| -0.1 | 7.5 | 8.9 | 11.6 | 11.5 | 8.4 | 5.6 | 2.7 | 3.3 | -1.7 | -1.8 | 1.2 |
| 0.0 | 2.2 | 3.6 | 5.9 | 9.8 | 7.6 | 4.9 | 1.1 | 2.5 | -0.9 | -1.8 | 1.1 |
| Financial Year | Mar 2015 | Mar 2016 | Mar 2017 | Mar 2018 | Mar 2019 | Mar 2020 | Mar 2021 | Mar 2022 | Mar 2023 | Mar 2024 | Mar 2025 | Mar 2026 |
|---|
Equity Capital Equity CapitalCr | 79 | 79 | 80 | 80 | 81 | 81 | 79 | 80 | 80 | 80 | 98 | 98 |
| 1,008 | 676 | 800 | 1,095 | 1,639 | 1,839 | 1,908 | 1,875 | 2,011 | 1,943 | 1,892 | 2,170 |
Current Liabilities Current LiabilitiesCr | 2,258 | 1,203 | 1,409 | 1,704 | 4,140 | 3,978 | 4,470 | 4,890 | 5,529 | 5,180 | 2,510 | 2,720 |
Non Current Liabilities Non Current LiabilitiesCr | 4,616 | 636 | 577 | 751 | 1,057 | 1,208 | 1,517 | 1,822 | 1,241 | 1,128 | 1,027 | 1,358 |
Total Liabilities Total LiabilitiesCr |
Current Assets Current AssetsCr | 1,963 | 1,236 | 1,473 | 1,956 | 3,971 | 3,780 | 4,468 | 4,981 | 5,206 | 4,643 | 2,285 | 2,663 |
Non Current Assets Non Current AssetsCr | 6,429 | 1,389 | 1,438 | 1,756 | 3,041 | 3,429 | 3,605 | 3,778 | 3,659 | 3,688 | 3,242 | 3,683 |
Total Assets Total AssetsCr |
| Financial Year | Mar 2015 | Mar 2016 | Mar 2017 | Mar 2018 | Mar 2019 | Mar 2020 | Mar 2021 | Mar 2022 | Mar 2023 | Mar 2024 | Mar 2025 | Mar 2026 |
|---|
Operating Cash Flow Operating Cash FlowCr | 393 | 215 | 489 | 729 | 631 | 696 | 638 | 584 | 228 | 791 | 348 | 522 |
Investing Cash Flow Investing Cash FlowCr | -1,172 | -155 | -232 | -582 | -1,172 | -627 | -619 | -481 | -57 | -209 | -89 | -507 |
Financing Cash Flow Financing Cash FlowCr | 850 | -81 | -187 | -152 | 570 | -68 | 23 | 115 | -132 | -691 | 4 | -133 |
|
Free Cash Flow Free Cash FlowCr | -759 | -9 | 276 | 281 | -167 | 350 | 194 | 11 | -111 | 555 | 230 | |
| -10,968.7 | 134.3 | 224.4 | 197.8 | 107.8 | 160.9 | 237.4 | 397.3 | 98.7 | -1,114.1 | -483.3 | 932.1 |
CFO To EBITDA CFO To EBITDA% | 85.2 | 46.8 | 94.1 | 97.3 | 56.0 | 65.1 | 78.8 | 87.8 | 25.6 | 168.3 | 83.7 | 91.7 |
| Financial Year | Mar 2015 | Mar 2016 | Mar 2017 | Mar 2018 | Mar 2019 | Mar 2020 | Mar 2021 | Mar 2022 | Mar 2023 | Mar 2024 | Mar 2025 | Mar 2026 |
|---|
Valuation Ratios Valuation Ratios |
Market Cap Market CapitalizationCr | 2,159 | 3,580 | 5,012 | 12,521 | 8,800 | 2,575 | 7,699 | 8,934 | 5,865 | 4,422 | 3,950 | 8,613 |
Price To Earnings Price To Earnings | 0.0 | 23.3 | 24.9 | 37.4 | 15.6 | 5.9 | 28.0 | 149.7 | 41.7 | 0.0 | -32.3 | 153.8 |
Price To Sales Price To Sales | 0.7 | 1.7 | 2.0 | 3.9 | 1.7 | 0.5 | 1.6 | 1.6 | 0.8 | 1.1 | 1.0 | 1.8 |
Price To Book Price To Book | 2.0 | 4.7 | 5.7 | 10.7 | 5.1 | 1.3 | 3.9 | 4.6 | 2.8 | 2.2 | 2.0 | 3.8 |
| 14.8 | 9.4 | 11.4 | 18.0 | 9.3 | 4.4 | 12.8 | 17.9 | 10.3 | 15.7 | 13.0 | 17.8 |
Profitability Ratios Profitability Ratios |
| 41.1 | 55.2 | 59.2 | 60.0 | 51.1 | 52.1 | 50.4 | 49.1 | 52.4 | 58.7 | 49.9 | 49.7 |
| 14.9 | 21.4 | 21.2 | 23.6 | 22.2 | 20.8 | 16.8 | 12.2 | 12.8 | 11.5 | 10.4 | 12.0 |
| -0.1 | 7.5 | 8.9 | 11.6 | 11.5 | 8.4 | 5.6 | 2.7 | 3.3 | -1.7 | -1.8 | 1.2 |
| 5.3 | 21.8 | 20.0 | 26.7 | 26.6 | 17.9 | 11.8 | 8.1 | 10.6 | 4.0 | 3.5 | 8.1 |
| -0.3 | 21.2 | 24.7 | 31.4 | 34.0 | 22.5 | 13.5 | 7.5 | 11.1 | -3.5 | -3.6 | 2.5 |
| 0.0 | 6.1 | 7.5 | 9.9 | 8.3 | 6.0 | 3.3 | 1.7 | 2.6 | -0.8 | -1.3 | 0.9 |
Operational Ratios Operational Ratios |
Solvency Ratios Solvency Ratios |
Liquidity Ratios Liquidity Ratios |
### **Overview**
Sterlite Technologies Limited (STL) is a global leader in **optical networking and digital infrastructure solutions**, strategically positioned at the forefront of the digital transformation era. With a vertically integrated, end-to-end capability from glass to gigabit, STL is capitalizing on surging global demand driven by **5G, data center expansion, AI, and broadband modernization programs**. The company is executing an aggressive growth strategy to become one of the **top three global players in optical networking**, leveraging innovation, sustainability, and strategic geographic expansion.
---
### **Strategic Position and Market Opportunity**
#### **1. Macro Growth Drivers (as of Nov 2025)**
- **Global digital infrastructure boom**: Telecom and technology leaders are investing heavily in **optical fiber as the foundational layer** for 5G, hyperscale data centers, broadband, and AI applications.
- **AI-driven data center demand**: Data center capacity is projected to grow **3.5x by 2030**, with **AI workloads accounting for over 70%** of demand and requiring **up to 36 times more fiber** than traditional deployments.
- STL estimates a **$7 trillion investment wave** driven by AI and data center expansion through 2030, with a **$2 billion fiber-related opportunity in India alone** over the next decade.
#### **2. Favorable Global Trade Dynamics**
- Geopolitical shifts, including **U.S.-China trade tensions**, are accelerating **de-risking and supply chain diversification**, favoring **India-sourced manufacturing**.
- STL is emerging as a key beneficiary of **"China+1" and "Make in India for the world"** strategies, particularly in North America and Europe.
#### **3. Government and Broadband Initiatives**
- STL is actively participating in major national programs:
- **India**: BharatNet Phase III (₹1.39 lakh crore funding)
- **USA**: BEAD Program ($42 billion)
- **UK**: Project Gigabit
- **EU**: Gigabit Society
- These public-private partnerships are fueling long-term demand for fiber and network services.
---
### **Business Segments & Core Offerings**
STL operates across **two primary business units**:
#### **1. Optical Networking**
- **Products & Technologies**:
- **Optical Fiber & Cables**: Full vertical integration from **glass preform** (only one of six non-Chinese companies globally with this capability) to fiber and cable manufacturing.
- **Multi-Core Fiber (MCF)**: **Pioneering technology** enabling **4–7x capacity** on the same footprint. STLC is the **first globally to deploy MCF in both aerial and underground networks**.
- **Quantum-Ready Solutions**: Field-deployed **Multi-Core Fiber with Space Division Multiplexing**; demonstrated **Quantum Key Distribution (QKD)** over 170 km with 800 Gbps data and 150 km with 1.8 Tbps in collaboration with QNu Labs.
- **Celesta IBR (Intelligently Bonded Ribbon) Cables**: Industry-leading **high-density solutions** (12F to **6,912F**) with minimal space requirements; compliant with ICEA and GR-20 standards; installable in micro-ducts.
- **Miniaturized Fibers**: **180-micron and 160-micron fibers** – the **world’s slimmest**, offering **triple the capacity** of standard 250-micron fibers.
- **Stellar™ Fiber**: **First bend-resilient universal fiber** with backward compatibility, reducing installation costs and complexity.
- **Manufacturing & Sustainability**:
- **10 global manufacturing facilities** with **zero waste to landfill and zero liquid discharge**.
- **Green Hydrogen initiatives** at its Aurangabad (India) glass preform plant to reduce carbon emissions by **~30%**.
- ISO 9001, 14001, and 45001 certified facilities in the U.S. and Europe.
#### **2. Digital & Technology Solutions (STL Digital)**
- **Services**:
- Cloud & Cybersecurity: SOC2 Type audit and **CMMI Level 3** certification achieved.
- Enterprise SaaS, AI/ML, Data Analytics, and Product Engineering.
- **AInnov™**: Proprietary GenAI framework for enterprise transformation.
- **Key Projects**:
- **SAP S/4HANA Cloud transformation** for Vedanta Group (8 companies, 15,000+ users).
- Multi-year IT modernization contracts with global **healthcare and telecom clients**.
- **Global Presence**: Delivery centers in **Bangalore and Ahmedabad**; clients in US, UK, India, and APAC.
---
### **Financial & Operational Highlights (as of FY26 Q1 – Jul 2025)**
- **Optical Networking Revenue**: ₹961 crores in Q1 FY26, up **18.6% YoY**.
- **EBITDA Margin**: **14.3%**, supported by **cost leadership and operational efficiency**.
- **EBITDA Growth**: **55.7% YoY** in Q1 FY26.
- **Revenue Diversification**:
- **Europe**: ~42% of first-half FY26 revenue.
- **North America**: Strong traction with renewed orders from **top-tier U.S. telcos**.
- **India & RoW**: Growth in government and enterprise projects.
- **Enterprise & Data Center Segment**:
- Contributed **23% of Q1 revenue**, up from 21% in prior periods.
- **Strategic pivot** from telecom-centric focus to **AI-driven data centers**.
- **Order Book**:
- **Robust pipeline** across optical, data center, and digital services.
- Secured **LTSA with a major European operator** (UK, Italy, France) and major U.S. operator renewals.
- New orders in progress for **hyperscaler and cloud provider data center deployments**.
---
### **Key Strategic Developments & Milestones**
#### **Innovation & Technology Leadership**
- **Multi-Core Fiber (MCF)**: Deployed in **IIT-Madras’ DoT-sponsored Advanced Optical Test Bed**; collaborating with **C-DOT and QNu Labs**.
- **Quantum Communications**: First in India to achieve **QKD over 4-core MCF (100 km)**.
- **AI/ML Integration**:
- **Fiber Optic Sensing (FOS)** powered by AI/ML and **NVIDIA Jetson** modules to predict fiber cuts.
- AI-driven network planning tool used for **BharatNet**, reducing deployment time and cost.
#### **Geographic Expansion**
- **North America**: Local manufacturing in **South Carolina (U.S.)** supports BEAD and rural broadband projects; **$2.5+ billion in projected demand**.
- **Europe**: Serves key markets via manufacturing in **Italy**; supply chain agility and low lead times.
- **Australia & MEA**: Partnerships with **Vocus, Swoop, and BAPS Temple** for FTTH and metro rail.
#### **Demerger & Strategic Restructuring**
- Successful demerger of **Global Services business into STL Networks Limited (Invenia)** effective **March 31, 2025**.
- Allows **STL** to focus on **optical and digital innovation**, while **Invenia** pursues large-scale **system integration and managed services**.
- Post-demerger financials: **Debt-to-equity ratio of 0.68**, net debt at ₹1,350 crore.
#### **Sustainability & ESG**
- **Net Zero Commitment by 2030**.
- **Zero Waste to Landfill** at all plants.
- **Green hydrogen and renewable energy** in manufacturing.
---
### **Competitive Advantages**
| Strength | Description |
|--------|-------------|
| **Vertical Integration** | Controls entire optical value chain: **glass preform, fiber, cable, interconnects, and deployment**. |
| **R&D & IP Leadership** | Over **750 patents** globally; continuous innovation in **MCF, hollow core, AI, and quantum**. |
| **End-to-End Solutions** | Offers **co-developed, customized solutions** with clients, not just products. |
| **Sustainability Focus** | Industry-leading **green manufacturing**, reducing TCO and attracting ESG-conscious clients. |
| **Global Footprint** | Local manufacturing and R&D in **India, U.S., UK, Italy, China, Australia**. |