Introduction
Leading aerospace manufacturer signed a seven-year £300 million agreement with Rolls-Royce to supply precision engineered components across global aviation programs through India-UK network.
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Share price movement of Sigma Advanced Systems
On 27 April 2026, Sigma Advanced Systems Ltd (formerly Megasoft Limited) opened at ₹248.55, up 4.98% from its previous close of ₹236.75. The stock reached a high of ₹248.55 (4.98%) and a low of ₹248.55. By 1:03 PM, it traded at ₹248.55, a 4.98% increase, with a market cap of ₹4,380.44 crore.
Sigma Rolls-Royce Aerospace Deal
Sigma Advanced Systems (formerly Megasoft Limited) has signed a seven-year £300 million (approximately ₹3,800 crore) agreement with Rolls-Royce to manufacture and supply aerospace systems across global aviation programs through its manufacturing network.
Under the agreement, the company will supply high-precision engineered and safety-critical components for Rolls-Royce aerospace programs using its India and UK manufacturing and engineering collaboration model structure.
The partnership strengthens long-term revenue visibility and expands Sigma Advanced Systems role in integrated global aerospace manufacturing platforms, supporting its participation in large-scale, high-value engineering and aerospace programs worldwide.
Stock performance of Sigma Advanced Systems for period of 1 week, 6 months, and 1 year
Sigma Advanced Systems Limited delivered a 1-week return of 14.9%, a 6-month return of 15.8%, and a 1-year return of 236%.
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Shareholding pattern of Sigma Advanced Systems
| Particulars | Mar 2026 | Dec 2025 | Sep 2025 |
| Promoter | 71.20% | 35.10% | 35.10% |
| FII | 0.10% | 0.20% | 0.50% |
| DII | 0% | 0% | 0.00% |
| Public | 28.70% | 64.70% | 64.40% |
About Sigma Advanced Systems
Sigma Advanced Systems (NSE: SIGMAADV) is a global aerospace and defence manufacturer delivering aero-engine and aerostructure components across India, UK and expanding United States markets.
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Disclaimer: The above article is written for educational purposes, and the companies’ data mentioned in the article may change with respect to time. The securities quoted are exemplary and are not recommendatory.
FAQs
Q: Why is Sigma Advanced Systems Ltd share price rising today?
A: Sigma Advanced Systems Ltd secured £300 million long-term Rolls-Royce agreement for aerospace component supply across global aviation programs.
Q: What is Sigma Advanced Systems Ltd’s main business focus?
A: Sigma Advanced Systems Ltd focuses on aerospace and defence manufacturing of aero-engine and aerostructure components across global OEM programs.
Q: What are the 52-week high and low of Sigma Advanced Systems Ltd stock?
A: Sigma Advanced Systems Ltd stock 52-week high is 248.55 and 52-week low is 60.53.


