Tempsens Instruments’ ₹650-cr IPO receives ₹83,900 crore worth of bids; GMP signals 100% listing premium

The ₹650-crore initial public offering (IPO) of Tempsens Instruments (India) received a blockbuster response from investors, with the issue subscribed 184.07 times on the final day of bidding on Monday. The strong demand was led by qualified institutional buyers (QIBs) and non-institutional investors (NIIs), while the IPO's grey-market premium (GMP) also pointed to a potentially strong listing.

The IPO received bids for around 279.45 crore shares worth ₹83,900 crore against 1.52 crore shares on offer, according to the subscription data. The issue received 75,19,454 applications.

The data showed that the QIB portion was subscribed 302.88 times, while the NII portion was subscribed 314.44 times. Within the NII category, bids from investors applying for more than ₹10 lakh were 331.34 times the shares reserved, while the ₹2 lakh–₹10 lakh category was subscribed 280.66 times.

The retail portion was subscribed 60.69 times, while the employee quota was subscribed 124.95 times.

GMP signals 100% listing premium

The Tempsens Instruments IPO has also generated significant buzz in the grey market, signalling expectations of a strong listing on the BSE and NSE on August 28.

At the time of reporting, the grey-market premium (GMP) stood at ₹299, implying an indicative listing price of around ₹599 and a potential premium of nearly 100% over the issue price.

The GMP, however, is an unofficial indicator of investor sentiment and does not guarantee the actual listing price. The reported premium also moved higher during the day, with some market trackers reporting GMP levels of ₹315, or 105% of the issue price.

Tempsens Instruments' IPO comprises a fresh issue of shares worth ₹95 crore and an offer for sale (OFS) of shares worth ₹555 crore.

Ahead of the issue, Tempsens Instruments raised ₹194.54 crore from anchor investors by allotting 64.85 lakh shares at ₹300 apiece. Of the total anchor allocation, 37.22 lakh shares were allotted to eight domestic mutual funds through 14 schemes.

Established in 1990, Tempsens Instruments manufactures temperature sensors, electrical heating solutions and specialised cables. Its portfolio includes contact and non-contact temperature-sensing solutions used across industrial applications.

According to the Frost & Sullivan report cited in the IPO documents, the company was India's largest manufacturer of contact and non-contact temperature sensors by revenue as of March 31, 2026, with an estimated 10.5% share of the temperature sensor market.

The company is also the only Indian manufacturer of non-contact temperature sensors, according to the report, with an estimated 21.3% share of the segment in FY26.

Tempsens has served more than 1,000 unique customers between April 2023 and March 2026 and exports its products to more than 80 countries, including the UAE, Germany and Poland.

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