
Tonbo Imaging India Ltd shares made their stock market debut on Friday, October 23, 2026, with strong investor sentiment reflected in the grey market. According to The Hindu BusinessLine, the shares were listed at ₹1,162 on BSE, representing a premium of 66% over the issue price of ₹700. The company's ₹852.18 crore initial public offering had closed with robust investor demand, achieving 136 times subscription by the end of bidding on Monday. The grey market premium of ₹450 (64.29% higher than issue price) had suggested a listing price around ₹1,150, though actual listing prices may vary from these estimates. As per The Economic Times, investors who received the IPO allotment made ₹9,660 per lot, taking the value of their investment to ₹24,360 at the listing price on NSE. Following the listing, Tonbo Imaging India's market capitalisation stood at around ₹6,191.91 crore on BSE and ₹6,060.45 crore on NSE. The stock later traded at ₹1,059.05 on BSE and ₹1,058.30 on NSE, maintaining a premium of 51.28% and 51.18% respectively over the issue price, despite broader market weakness with BSE Sensex falling 409.06 points to 72,840.33.
Tonbo Imaging Founder and CEO Arvind Lakshmikumar outlined the company's strategic growth roadmap during the strong stock market debut, emphasizing that platform systems will start contributing from FY28-FY29 and high-power microwave systems from FY30. As reported by CNBC TV18, Lakshmikumar stated that the company's tactical systems business is already delivering results, while newer product lines are expected to contribute over the next few years. The CEO emphasized that investors should judge the company on its ability to execute large defence programmes rather than listing-day performance, focusing on a three to five yearly perspective rather than quarterly or annual metrics. He noted that the company's current position reflects more than a decade of investment in research and product development, with the focus on continuing innovation and building capabilities.
The ₹852.18 crore initial public offering witnessed exceptional investor demand across all categories during the bidding period. As reported by The Financial Express, the issue received a total of 55,24,267 applications with investors bidding for 1,15,86,91,464 shares against 85,26,033 shares on offer. Qualified Institutional Buyers (QIBs) led the demand with 293.56 times subscription, while the Non-Institutional Investor (NII) category was subscribed 170.94 times and the Retail Individual Investor (RII) portion saw 31.07 times subscription. The subscription pattern showed strong institutional interest with QIBs subscribing 46.26 times, retail investors at 21.88 times, and non-institutional investors at 114.1 times by the final day, with employee participation also strong at 54.31 times subscription. According to The Economic Times, the bidding was led by qualified institutional buyers (QIBs) who subscribed their portion 293.56 times, while non-institutional investors' part was booked 170.94 times and the retail category saw 31.07 times subscription.
The Bengaluru-based defence technology company's ₹852.18 crore initial public offering was priced in a band of ₹665-700 per share with a face value of ₹2 per share. The public issue comprised an offer for sale (OFS) of 1.22 crore equity shares, with no fresh issue component, resulting in a post-issue market capitalisation of around ₹4,010 crore. As reported by The Financial Express, the company will not receive any proceeds from the IPO as existing shareholders are selling their stakes, with proceeds after applicable expenses going to the selling shareholders. The public issue opened for subscription on October 15 and closed on October 19, 2026, with the IPO lot size set at 21 shares, translating into a minimum investment of ₹14,700 for retail investors. The company also raised ₹255 crore from anchor investors by allotting 36.48 lakh equity shares at ₹700 per share, the upper end of the price band. JM Financial served as the book-running lead manager while Kfin Technologies acted as the registrar for the issue.
According to CNBC TV18, Tonbo Imaging India maintains its position as the largest manufacturer of thermal imaging systems supplied to government and defence agencies in India by sales value between April 2024 and March 2026, accounting for 94% of India's thermal imaging exports by units during this period. The company has deployed over 28,000 tactical systems across 24 countries as of June 30, 2026. Lakshmikumar highlighted significant expansion opportunities, noting that the addressable market for tactical systems is expected to increase from around 30,000 systems to 300,000 systems. The company is also supplying missile seeker technologies for Indian defence programmes and expects fresh orders from Armenia in the coming months after trials of Indian-made gun systems were completed. Tonbo Imaging competes with established global players including Epirus and Teledyne FLIR (US), Hensoldt (Germany), Theon International, and Controp (Israel) in the global electro-optical/infrared and advanced defence electronics market. The company currently employs 339 permanent employees across various functions including product design, manufacturing, project management, sales, finance, human resources and management.