Tenneco Clean Air IPO Allotment Status: How to Check Share Allotment Online

The Tenneco Clean Air IPO, which opened on November 12, 2025, and closed on November 14, 2025, is a ₹3,600 crore offer for sale. Investors await the allotment finalisation on November 17, 2025, with shares expected to list on both NSE and BSE on November 19, 2025. 

Allotment Status and Listing Timeline of Tenneco Clear Air IPO 

Tenneco Clean Air’s ₹3,600 crore IPO received strong subscription, with a total of 61.79 times overall bids. The allotment finalisation is scheduled for November 17, 2025. Investors can check allotment via NSE, BSE or the registrar’s website. The shares are planned to be listed on the BSE and NSE on November 19, 2025, under the book-built IPO format. 

Subscription Details by Investor Category 

The Tenneco Clean Air India IPO was heavily oversubscribed, with an overall subscription of 61.79 times. The Qualified Institutional Buyers (QIB) portion was subscribed 174.78 times, Non-Institutional Investors (NII) were subscribed 42.79 times, and Retail Individual Investors saw a subscription of 5.37 times. 

Check Allotment Status: Step-by-Step Guide 

Investors can check allotment status through multiple platforms: 

• On NSE: Visit the IPO status page on NSE, choose 'Equity and SME IPO bids', select 'Tenneco Clean Air', and enter PAN or application number.
• On BSE: Go to the BSE IPO application status page, select 'Equity' under issue type, choose 'Tenneco Clean Air', and enter required details.
• On Registrar’s Website: Access the registrar's official website, select ‘Tenneco Clean Air’ from company list, enter Application Number, PAN, or Client ID. 

Read More: SEBI Proposes Simpler IPO Disclosure and Lock-in Rule Changes! 

IPO Price Band and Lot Size 

The price band was set between ₹378 and ₹397 per share. The minimum lot size was 37 equity shares, requiring an initial investment of ₹14,689 at the upper band for retail investors. 

Allocation Structure 

Out of the total 9,06,80,100 shares on offer, 4,53,40,050 shares (50%) were reserved for QIBs, 1,36,02,015 shares (15%) for NIIs, and 3,17,38,035 shares (35%) allocated for the retail category. This division ensures balanced distribution among investor groups. 

Conclusion 

Tenneco Clean Air IPO witnessed solid investor interest across all categories. Allotment status will be determined on November 17, 2025, and listing on the stock exchanges is scheduled for November 19, 2025. Investors can verify allocation through NSE, BSE, or the registrar's online platforms. 

Disclaimer: This blog has been written exclusively for educational purposes. The securities or companies mentioned are only examples and not recommendations. This does not constitute a personal recommendation or 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.