Tenneco Clean Air India has quickly become one of the most talked-about IPOs of 2025. With strong subscription numbers, a solid business model and a premium listing, tenneco IPO has grabbed the attention of both young investors and experienced market players.
What Does Tenneco Clean Air India Do?
Tenneco Clean Air India is a part of the global auto giant Tenneco Inc. In India, it makes important auto parts like:
- Catalytic converters
- Diesel particulate filters (DPFs)
- Mufflers and exhaust systems
- Shock absorbers
- Suspension systems
These products help vehicles reduce pollution and improve performance. The company has:
- 12 factories in India
- Works with big brands like Maruti, Tata, Hyundai and Ashok Leyland
- Strong research support from its global parent.
IPO Details
Here are the key numbers every investor should know:
- IPO Size: ₹3,600 crore
- Type: 100% Offer for Sale (existing shareholders selling)
- Price Band: ₹378 – ₹397
- Lot Size: 37 shares (~₹14,689 minimum investment)
- IPO Open: 12 – 14 November 2025
- Listing Date: 19 November 2025
- Stock Exchange: NSE & BSE
This IPO did not raise money for business expansion. The company continues operations as usual.
Financial Performance
Tenneco’s numbers are strong and improving. Here’s the simplified version:
Revenue
- FY23: ₹4,887 crore
- FY24: ₹5,537 crore
- FY25: ₹4,931 crore
Profit After Tax (PAT)
- FY23: ₹381 crore
- FY24: ₹416 crore
- FY25: ₹553 crore
Margins & Returns
- EBITDA Margin: ~16.6%
- PAT Margin: ~11%
- ROCE: ~56% (very strong)
- ROE: ~42%
The company also has Low debt,Good cash flow and Strong efficiency in factory operations.
Why Tenneco IPO So Popular?
Tenneco Clean Air India Ltd’s IPO was highly popular due to its leadership in clean-air automotive technology, supplying critical emission-control parts to India’s top car makers. Here is some reason behind this :
Strong Clean-Air Technology: The company produces high-tech parts essential for BS6 and future emission norms, positioning it strongly in the clean mobility and emission control market.
Big Customer List: Tenneco has longstanding partnerships with India’s top car makers, who rely on its parts, providing consistent order flow and market share.
Consistent Profits: The company demonstrated stable profitability with rising profit margins over recent years, showing financial robustness.
High Subscription: The IPO was massively oversubscribed, about 59 to 62 times overall, reflecting strong investor interest and trust, especially from qualified institutional buyers.
Premium Listing: The stock listed at ₹505 on NSE, nearly 27% above the issue price of ₹397, offering instant listing gains to investors .
Should You Invest in Tenneco Clean Air India Stock?
For Long-Term Investors
Yes, it’s a strong candidate, because:
- Stable profits
- High return ratios
- Big OEM relationships
Clean-air technology demand increasing, if you believe in India’s auto growth and future emission norms, the stock may perform well long term.
For Short-Term Traders
Be careful, because the stock has already shown:
- Listing gains
- High volatility
- Profit-booking pressure
So short-term trades carry little risk.
Also Read : Groww Share Price: From ₹100 to ₹194 in Just 5 Days.
Tenneco IPO Subscription Details
The Tenneco Clean Air India IPO was highly subscribed, closing with an overall subscription of approximately 59 times. Breaking down by investor category as of the close on November 14, 2025:
- Qualified Institutional Buyers (QIBs) subscribed around 166 times, showing very strong institutional demand.
- Non-Institutional Investors (NIIs) subscribed about 41 times.
- Retail Individual Investors (RIIs) subscribed around 5 times.
The IPO was a Book Building issue with a price band of ₹378-₹397 per share and a lot size of 37 shares. It was an Offer for Sale (OFS) of about 9.07 crore shares amounting to ₹3,600 crore. The subscription numbers reflect strong market confidence in Tenneco Clean Air’s business and growth potential.
The allotment was finalized on November 17, 2025 with shares credited on November 18 and listed on the NSE and BSE on November 19, 2025. The stock listed at a premium of nearly 27% over the issue price, rewarding investor interest
Conclusion
Tenneco Clean Air India stands out as a strong engineering company with solid fundamentals. Even though the IPO was 100% OFS, the business performance, customer list and market leadership make it a high-quality company.
For long-term investors, this stock can be a stable addition – especially if bought during dips. For traders, this is a high-energy but high-risk pick.
