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The Tenneco Clean Air IPO opened for subscription on November 12, 2025, and will close on November 14, 2025. On Day 1, the issue was subscribed 0.44 times overall, with notable traction from non-institutional investors (1.11×), while retail investors subscribed 0.37× of their quota and QIBs showed limited participation at 0.01×.
The ₹3,600 crore issue witnessed strong anchor participation a day prior to opening, signaling selective institutional confidence. Stay updated on daily subscription performance and allotment data at Tenneco Clean Air IPO.
The IPO received a healthy response from HNI investors on the opening day, while retail and QIB categories are expected to pick up momentum in the coming sessions.
Investor Category | Subscription (times) | Shares Offered* | Shares bid for | Total Amount (Rs Cr.)* |
Anchor Investors | 1 | 2,72,04,030 | 2,72,04,030 | 1,080.000 |
0.01 | 1,81,36,020 | 1,20,287 | 4.775 | |
Non-Institutional Buyers | 1.16 | 1,36,02,015 | 1,58,27,564 | 628.354 |
bNII (bids above ₹10L) | 1.09 | 90,68,010 | 99,23,141 | 393.949 |
sNII (bids below ₹10L) | 1.30 | 45,34,005 | 59,04,423 | 234.406 |
Retail Investors | 0.37 | 3,17,38,035 | 1,18,56,687 | 470.710 |
Total ** | 0.44 | 6,34,76,070 | 2,78,04,538 | 1,103.840 |
All calculations are based on the upper price band of ₹397 per share.
Tenneco Clean Air Limited’s ₹3,600 crore public issue comprises a fresh issue of equity shares aimed at strengthening its balance sheet and supporting long-term growth in emission-control technologies.
Category | Shares Offered | Amount (Rs Cr) | Size (%) |
Anchor Investor | 2,72,04,030 | 1,080.00 | 30.00% |
QIB | 4,53,40,050 | 1,800.00 | 50.00% |
NII | 1,36,02,015 | 540.00 | 15.00% |
bNII (bids above ₹10L) | 90,68,010 | 360.00 | 10.00% |
sNII (bids below ₹10L) | 45,34,005 | 180.00 | 5.00% |
Price Band: ₹382 – ₹397 per share
Lot Size: 37 shares per lot
Listing: NSE and BSE on November 19, 2025
Funds raised through the IPO will be used for:
Repayment / prepayment of certain borrowings
Investment in capacity expansion and emission-control technology projects
Working capital requirements
General corporate purposes
Additional Read- How to Apply for the Tenneco Clean Air India IPO: Investment Guide
A total of 2,72,04,030 shares were allotted to anchor investors at ₹397 per share on November 11, 2025.
Parameter | Details |
Anchor Bid Opening Date | November 11, 2025 |
Anchor Investor Price | ₹397.00 per share |
Shares Allotted | 2,72,04,030 |
Anchor Investors as % of QIBs | 0.00% |
Shares Locked-in (30 days) | 0 |
Shares Locked-in (90 days) | 0 |
Click here to check out recently closed IPOs.
On its opening day, the Tenneco Clean Air IPO garnered solid HNI interest, while retail and institutional bids are expected to rise in subsequent sessions. Overall subscription stood at 0.44×, driven by a 1.16× response from the NII segment.
As the IPO progresses, market participants will closely watch for QIB activity, which often sets the tone for final oversubscription levels and listing sentiment.
Interested in more opportunities? Check out our Upcoming IPO section for new listings and don’t forget to check your IPO allotment status for Tenneco Clean Air India IPO.
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