Tenneco Clean Air India Achieves Impressive Stock Market Launch

Post by : Bianca Hayes

Tenneco Clean Air India had an impressive entrance into the stock market on November 19, as its shares debuted with a notable premium over the IPO price. This strong performance reflects the high level of investor demand during the subscription period.

Trading commenced at ₹505 on the NSE, representing a 27.20% increase compared to the IPO price of ₹397. The stock experienced some fluctuations but ultimately closed at ₹490, still well above the issue price. On the BSE, the shares opened at ₹498, indicating a 25.44% increase at launch.

Retail investors quickly capitalized on the listing, with a lot size of 37 shares yielding a profit of ₹18,685 per lot for those allotted shares.

The IPO comprised an offer for sale of 9.07 crore shares valued at ₹3,600 crore, with the entire proceeds allocated to the selling promoter, Tenneco Mauritius Holdings Ltd. According to the company’s RHP, the market listing aims to enhance visibility and liquidity for its shares in India.

The IPO saw demand soar past supply, closing with a remarkable subscription rate of 58.83 times.

  • Qualified Institutional Buyers (QIBs) led with an astonishing 166.42 times subscription.

  • Non-institutional investors participated significantly, subscribing 40.74 times.

  • Retail investors showed solid interest with a subscription rate of 5.11 times.

Prior to the IPO, Tenneco Clean Air India attracted ₹1,079.99 crore from anchor investors, including leading firms like SBI MF, ICICI Prudential MF, HDFC MF, SBI Life Insurance, BlackRock, Nomura, ADIA, and Goldman Sachs.

As a manufacturer of advanced, precision-engineered solutions such as exhaust aftertreatment systems, catalytic converters, mufflers, shock absorbers, and struts, Tenneco Clean Air India is supported by its established promoters including Tenneco (Mauritius) Ltd, Tenneco LLC, Federal-Mogul Investments BV, and Federal-Mogul Pty Ltd.

With a strong debut and substantial institutional support, the stock confidently enters the public market, backed by robust fundamentals and its relevance in the sector.

Nov. 19, 2025 4:23 p.m. 322