New Delhi, Nov. 19 -- Tenneco Clean Air IPO 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 percent from issue price of Rs.397. On BSE, it listed at Rs.498, up 25.44 percent from IPO price.

The listing was on the lines of the grey market predictions. The Tenneco Clean Air IPO grey market premium (GMP) also stood at Rs.104 per share, which indicated listing price of Rs.501, a premium of 26.20 percent from its as 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....