New Delhi, Nov. 19 -- Tenneco Clean Air shares made a stellar debut on Wednesday, November 19. Tenneco Clean Air share price listed at Rs.505 on NSE, a premium of 27.20% over the issue price of Rs.397. On BSE, it listed at Rs.498, up 25.44% from the IPO price.

The listing was in line with the grey market predictions. Tenneco Clean Air IPO grey market premium (GMP) stood at Rs.104 per share, which indicated a listing price of Rs.501, a premium of 26.20% from the issue price.

Tenneco Clean Air made an impressive debut on the BSE and NSE on November 19, 2025, following the completion of its public issue. The IPO was open for bidding from November 12 to November 14, with allotments finalised on November 17. The issue, valued at 3,600 crore,...