Tenneco Clean Air IPO is a book-built issue of ₹3,600.00 crore. The issue consists entirely of an offer for sale of 9.07 crore equity shares, aggregating to ₹3,600.00 crore.
The Tenneco Clean Air IPO opened for subscription on November 12, 2025, and will close on November 14, 2025. The allotment for the Tenneco Clean Air IPO is expected to be finalised on November 17, 2025. Tenneco Clean Air IPO will list on both BSE and NSE, with a tentative listing date set for November 19, 2025.
Tenneco Clean Air IPO price band is fixed at ₹378.00 to ₹397.00 per share. The lot size for an application is 37 shares. The minimum investment for retail investors is ₹14,689 for 37 shares (calculated at the upper price band).
Tenneco Clean Air IPO received an overall subscription of 7.58 times. By 12:04 PM on November 14, 2025 (Day 3), the issue was subscribed 2.79 times in the retail segment, 6.21 times in the QIB (excluding anchor) category, and 20.57 times in the NII category.
How to Check Tenneco Clean Air IPO Allotment Status Online on NSE?
How to Check Tenneco Clean Air IPO Allotment Status Online on BSE?
Tenneco Clean Air’s ₹3,600.00 crore IPO, priced at ₹378–₹397 per share, is a book-built issue consisting entirely of an offer for sale of 9.07 crore equity shares totalling ₹3,600.00 crore. Bidding for the issue opened on November 12, 2025, and will close on November 14, 2025. The Tenneco Clean Air IPO allotment status is expected to be finalised on November 17, 2025. The IPO will list on both BSE and NSE, with a tentative listing date scheduled for November 19, 2025. The lot size for an application is 37 shares, requiring a minimum retail investment of ₹14,689 at the upper end of the price band. By 12:04 PM on November 14, 2025 (Day 3), the issue was subscribed 2.79 times in the retail segment, 6.21 times in the QIB (excluding anchor) category, and 20.57 times in the NII category.
The table below breaks down the Tenneco Clean Air share allocation for different categories, highlighting the number of shares and their percentage of the total issue. However, the key focus remains on the quotas allocated to retail investors and HNIs, as they are the most relevant for individual investors.
| Category | Shares Offered |
| QIB Shares Offered | 4,53,40,050 (50.00%) |
| – Anchor Investor Shares Offered | 2,72,04,030 (30.00%) |
| – QIB (Ex. Anchor) Shares Offered | 1,81,36,020 (20.00%) |
| NII (HNI) Shares Offered | 1,36,02,015 (15.00%) |
| – bNII > ₹10L | 90,68,010 (10.00%) |
| – sNII < ₹10L | 45,34,005 (5.00%) |
| Retail Shares Offered | 3,17,38,035 (35.00%) |
| Total Shares Offered | 9,06,80,100 (100.00%) |
Data Source: NSE
| Category | Subscription (times) |
| Qualified Institutional Buyers | 6.21 |
| Non-Institutional Investors | 20.57 |
| Retail Individual Investors | 2.79 |
| Total shares | 7.58 |
Note: The subscription details are as of Nov 14, 2025
Founded in 2018, Tenneco Clean Air India Limited is a subsidiary of Tenneco Inc., a global leader in clean air and powertrain technologies for the automotive industry. The company operates under Tenneco’s Clean Air division, specialising in emission control solutions for both passenger and commercial vehicles.
In India, Tenneco Clean Air delivers advanced exhaust and after-treatment systems designed to help automakers comply with strict emission standards, including Bharat Stage VI. Its product lineup features catalytic converters, diesel particulate filters (DPFs), mufflers, and exhaust pipes.
With manufacturing facilities positioned across key locations in India, the company effectively supports OEMs and Tier 1 suppliers. It places strong emphasis on sustainability, technological innovation, and adherence to environmental regulations, backed by robust research, development, and engineering capabilities.
Know more about IPO allotment status and check your application details online for the latest updates on share allocation.
Disclaimer: This blog has been written exclusively for educational purposes. The securities mentioned are only examples and not recommendations. This does not constitute a personal recommendation/investment advice. It does not aim to influence any individual or entity to make investment decisions. Recipients should conduct their own research and assessments to form an independent opinion about investment decisions.
Investments in the securities market are subject to market risks, read all the related documents carefully before investing.
Published on: Nov 14, 2025, 12:29 PM IST
Nikitha Devi
Nikitha is a content creator with 7+ years of experience in the financial domain. Specialising in personal finance, investments, and market insights, Nikitha simplifies complex financial topics, making them accessible to readers.
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