IPO GMP: Bonfiglioli vs Tonbo vs Sahajanand Medical vs Zetwerk

Four Indian IPOs open on 15 October with grey market premiums.

By ·

Oct 12, 2026

14 cards · 2m · tap to begin

From · · · 2m

IPO GMP: Bonfiglioli vs Tonbo vs Sahajanand Medical vs Zetwerk

Four Indian IPOs open on 15 October with grey market premiums.

In brief

Four Indian IPOs open on 15 October with grey market premiums. Four companies including Bonfiglioli Transmissions, Tonbo Imaging, Sahajanand Medical Technologies and Zetwerk launch IPOs on 15 October with varying grey market premiums. Originally reported by mint.

IPO Dates

Four companies including Bonfiglioli Transmissions, Tonbo Imaging, Sahajanand Medical Technologies and Zetwerk open their IPOs on 15 October and close on 19 October.

Issue Sizes

The IPOs range from ₹ 475 crore to ₹ 5,012 crore with Zetwerk having the largest offering at ₹ 5,012 crore.

Bonfiglioli Transmissions IPO

Bonfiglioli Transmissions has a price band of ₹ 558, ₹ 586 per share with an estimated listing price of ₹ 739.

Tonbo Imaging IPO

Tonbo Imaging has a price band of ₹ 665, ₹ 700 per share with an estimated listing price of ₹ 1,045.

Sahajanand Medical Technologies IPO

Sahajanand Medical Technologies has a price band of ₹ 327, ₹ 344 per share with an estimated listing price of ₹ 384.

Zetwerk IPO

Zetwerk has a price band of ₹ 143, ₹ 151 per share with an estimated listing price of ₹ 165.

Grey Market Premiums

The grey market premiums for the IPOs range from +40 to +345 with Tonbo Imaging showing the highest premium at +345.

Anchor Bidding

Anchor investors will bid for all four IPOs on 14 October before the public subscription opens on 15 October.

Issue Structure

All four IPOs are entirely offer for sale (OFS) with no fresh issue component, meaning the companies receive no proceeds from the IPOs.

Zetwerk's Fresh Issue

Zetwerk is the only company with a fresh issue component worth ₹ 2,830 crore to repay debt and fund acquisitions.

Sector Focus

The IPOs cover industrial power transmission, defence electronics, cardiac medical devices and technology-led manufacturing.

Listing Date

All four IPOs will list on 15 October with the public subscription period closing on 19 October.

Market Reaction

The grey market premiums indicate potential listing gains ranging from 9.27% to 49.29% for the four IPOs.

What Happens Next

The IPOs will be listed on 15 October with investors evaluating the performance of the four companies in the stock market.

The short version

Four companies including Bonfiglioli Transmissions, Tonbo Imaging, Sahajanand Medical Technologies and Zetwerk launch IPOs on 15 October with varying grey market premiums.

Read the original on mint

React

Sign in to react and comment.

Comments (0)

Life is short. Keep it sweet. Respect others' opinions and be kind!

    Recommended next

    More decks on bonfiglioli transmissions and related topics.