Top 10 Mainboard IPOs - By Issue Size: 2026

Biggest Mainboard IPOs in 2026 in India | Highest Mainboard IPOs of 2026 by Issue Size

This report provides the Top 10 Mainboard IPOs of 2026 on the largest issue size in India. Issue size represents the total funds a company aims to raise through an IPO, including both the Fresh Issue (new shares issued by the company) and the Offer for Sale (shares sold by existing shareholders) components.

IPO Issue Size plays a crucial role in a company’s financial strategy and directly influences market dynamics and investor perception. A larger issue size may provide greater liquidity, attract wider institutional participation, and impact the stock’s market performance.

Top 10 Largest Mainboard IPOs in India by Issue Size: 2026

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Note:

  • Opening Date: First day when the issue opens for public subscription. Starting from this date, investors can submit their applications for subscription of the company's shares till the closing date.
  • Issue Price: Price at which the company’s shares are offered to the public.
  • Issue Amount: Total monetary value of all the shares being offered to the public in an issue. It is arrived at by multiplying the number of shares offered with the issue price per share.
  • Subscription: Number of times the overall issue is subscribed (All investor categories clubbed together).
  • Listing Date: Date when shares allotted to investors start trading on the stock exchange (NSE/BSE). Investors can sell or buy shares from this day.
  • Close Price on Listing: Closing price of shares on the listing day when shares are listed on the stock exchange.
  • % Gain / Loss (Issue Price v/s Close Price on Listing): Percentage profit/loss on the day of listing in relation to the issue price.
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