Tempsens Instruments (India) IPO opened for subscription on Thursday, August 20, 2026, with strong grey-market activity signalling robust investor interest. The issue is commanding a reported grey market premium (GMP) of 73%, raising expectations of potentially strong listing gains.
The thermal engineering and specialised cable manufacturer aims to raise Rs 650 crore through the public offer, which will close on August 24. The IPO comprises a fresh issue of 32 lakh shares worth Rs 95 crore and an offer for sale (OFS) of 1.85 crore shares aggregating Rs 555 crore.