Tenneco Clean Air IPO Timeline
The Tenneco Clean Air IPO opened for subscription on Wednesday, 12 November 2025, and closed successfully on Friday, 14 November 2025.
The basis of allotment was finalized on Monday, 17 November 2025. Refunds to unsuccessful applicants were initiated on Tuesday, 18 November 2025, and shares were credited to the Demat accounts of successful investors on the same day.
The Tenneco Clean Air IPO was listed on the both BSE and NSE on Wednesday, 19 November 2025, completing the IPO process.
Tenneco Clean Air IPO Important Dates
- IPO Open Date: 12 November 2025
- IPO Close Date: 14 November 2025
- Basis of Allotment: 17 November 2025
- Refund Initiation: 18 November 2025
- Shares Credited to Demat: 18 November 2025
- Listing Date: 19 November 2025
*Info is indicative. Not an Investment Advice. Grey market trading is unregulated.
Tenneco Clean Air IPO Timeline (Tentative)
- IPO Open Date
- Wednesday, 12 November 2025
- IPO Close Date
- Friday, 14 November 2025
- Basis of Allotment
- Monday, 17 November 2025
- Initiation of Refunds
- Tuesday, 18 November 2025
- Credit of Shares to Demat
- Tuesday, 18 November 2025
- Listing Date
- Wednesday, 19 November 2025 — NSE & BSE
Important Dates
Open Date
12 November 2025
Close Date
14 November 2025
Basis Of Allotment
17 November 2025
Listing Date
19 November 2025
Disclaimer: This data is for informational purposes only and does not constitute investment advice. Figures shown are illustrative sample data.
Frequently Asked Questions
Everything you need to know before applying to an IPO.
When will the Tenneco Clean Air IPO open for subscription?
The Tenneco Clean Air IPO subscription opened on Wed, Nov 12, 2025 and closed on Fri, Nov 14, 2025.
What is the Tenneco Clean Air IPO Allotment Date?
The Tenneco Clean Air IPO allotment date was Mon, Nov 17, 2025. Investors can check their Tenneco Clean Air IPO allotment status on the registrar's website using their PAN, application number, or DP/Client ID once the allotment is finalized.
What is the Tenneco Clean Air IPO Listing Date?
The Tenneco Clean Air IPO was listed on the BSE,NSE on Wed, Nov 19, 2025.
When will Tenneco Clean Air IPO shares be credited to the Demat account?
The shares allotted in the Tenneco Clean Air IPO were credited to Demat accounts of successful applicants on Tue, Nov 18, 2025.
What is the complete Tenneco Clean Air IPO timeline?
The Tenneco Clean Air IPO timeline began with the IPO opening for subcription on Wed, Nov 12, 2025 and closing on Fri, Nov 14, 2025. The basis of allotment was finalized on Mon, Nov 17, 2025. Refunds were initiated, and shares were credited to successful applicants' Demat accounts on Tue, Nov 18, 2025. The Tenneco Clean Air IPO listed on the BSE,NSE on Wed, Nov 19, 2025.
What is the 'Pre-Apply' facility for the Tenneco Clean Air IPO?
The Pre-Apply facility allows investors to submit their Tenneco Clean Air IPO application up to 2 days before the IPO subscription opens. Your application is saved in advance and will be submitted when the IPO bidding window begins.
If I pre-apply for Tenneco Clean Air IPO, when will my order get placed?
If you pre-apply for the Tenneco Clean Air IPO, your order is submitted to the stock exchange once the IPO subscription window opens. After the bidding period begins, you will typically receive a UPI mandate request within 24 hours. Your IPO application is considered complete after you approve the UPI mandate and the required funds are blocked in your bank account.