The Rs 411.5-crore IPO received bids for 41,13,648 shares against the total issue size of 32,34,059 shares, data available with the NSE till 1030 hrs showed.
Advanced Enzyme Tech has mopped up nearly Rs 123 crore from as many as 15 anchor investors.
Price band has been fixed at Rs 880-896 per share for the IPO, which closes tomorrow.
The company is the largest domestic enzyme company engaged in research, development, manufacturing and marketing of over 400 proprietary products developed from 60 indigenous enzymes.
Advanced Enzyme Technologies is expected to mop up around Rs 411.5 crore at the upper end of the price band.
ICICI Securities and Axis Capital are the lead managers to the issue.