Tenneco Clean Air Share Price, IPO Listing, GMP Live Updates: After a flurry of bidding and anticipation, Tenneco Clean Air India is finally making its debut on the stock market today, November 19. The IPO allotment was finalised on November 17.

The IPO is set to list simultaneously on the Bombay Stock Exchange and the National Stock Exchange today. JM Financial acted as the book-running lead manager for the issue, while MUFG Intime India managed the registrar services.

Tenneco Clean Air IPOKey Details
Price BandRs 378-397 per share
IPO DateNovember 12- 14
GMP30%
IPO Allotment dateNovember 18
Listing dateNovember 19

Tenneco Clean Air India IPO: Grey market trend ahead of listing

In the unofficial market, Tenneco’s unlisted shares have been trading around Rs 514, indicating a grey market premium (GMP) of nearly 30% over the upper price band of Rs 397.

However, it is important to note that GMP is not the official listing price and may fluctuate with market trends.

Tenneco Clean Air India IPO: A snapshot of the IPO

The mainboard IPO was a book-built offer-for-sale valued at Rs 3,600 crore. A total of 9.07 crore shares were up for sale in the issue.

The bidding window was open from November 12 to November 14. The IPO received bids for 3.92 billion shares, a staggering 58.83 times subscription.

This was a pure offer-for-sale. It means no fresh capital was raised.

Furthermore, the proceeds from the IPO will go entirely to existing shareholders, mainly Tenneco Mauritius Holdings. Other group entities involved in the sale include Federal-Mogul Investments BV, Tenneco LLC, and Federal-Mogul.

Live Updates

Tenneco Clean Air Share Price, IPO Listing LIVE: Check here Live Coverage on Tenneco Clean Air IPO Listing, GMP, Share Price, Price Band, Review

07:54 (IST) 19 Nov 2025

Tenneco Clean Air Share Price, IPO Listing, GMP Live: Financial snapshot

For the financial year ending FY25, the company reported Rs 4,890 crore in revenue, an EBITDA margin of 16.67%, and Rs 553 crore profit after tax. The business has recorded steady growth in both topline and profitability.

07:38 (IST) 19 Nov 2025

Tenneco Clean Air Share Price, IPO Listing, GMP Live: About the company

Tenneco Clean Air India Limited, created in 2018, operates as part of Tenneco Inc., a global manufacturer of clean air and powertrain technologies. The Indian arm focuses on producing advanced exhaust and after-treatment systems for the domestic automotive sector.

07:17 (IST) 19 Nov 2025

Tenneco Clean Air Share Price, IPO Listing, GMP Live: Investment limits for investors

Retail participants were required to bid for at least 37 shares, which amounts to Rs 14,689 at the upper band.

Small High Net-worth Individuals could apply for up to 518 shares, while High Net-worth Individuals could place bids for 2,553 shares, depending on their category limits.

06:48 (IST) 19 Nov 2025

Tenneco Clean Air Share Price, IPO Listing, GMP Live: Listing date and exchanges

The shares are scheduled to list on the BSE and NSE today, November 19, marking the company’s entry into the public market.

06:35 (IST) 19 Nov 2025

Tenneco Clean Air Share Price, IPO Listing, GMP Live: Subscription timeline

The issue was opened from November 12 to November 14. The allotment was confirmed on November 17, and shares reached eligible Demat accounts on November 18.

06:20 (IST) 19 Nov 2025

Tenneco Clean Air Share Price, IPO Listing, GMP Live: Price band

The company has set a price band of Rs 378 to Rs 397 per share. At the upper limit, the price works out to a price-to-earnings ratio of around 46.6 times, based on its FY25 earnings.

06:03 (IST) 19 Nov 2025

Tenneco Clean Air Share Price, IPO Listing, GMP Live: Overview of the Public Issue

Tenneco Clean Air India’s public offer is structured as a Rs 3,600 crore book-built IPO, consisting of 9.07 crore equity shares. The entire issue is an Offer for Sale, meaning the proceeds go to existing shareholders rather than the company.