What is the IPO basis of allotment?

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February 8, 2010

What is the basis of allotment?

In case of over-subscription in a fixed price issue, the allotment is done in marketable lots and on a proportionate basis. In case of a book building issue, allotment to Qualified Institutional Buyers (QIBs) and Non-Institutional Buyers (NIBs) are done on a discretionary basis. Allotment to retail investors is done on a proportionate basis.

After the closure of the issue, the bids received are aggregated under different categories, such as firm allotment, Qualified Institutional Buyers (QIBs), Non-Institutional Buyers (NIBs) and Retail Individual Investors. The oversubscription ratios are calculated for each of the categories as against the shares reserved for each of the categories in the offer document. Within each of these categories, the bids are segregated into different segments based on the number of shares applied for.

The oversubscription ratio is then applied to the number of shares applied for and the number of shares to be allotted for applicants in each of the buckets is determined. Then, the number of successful allottees is determined. This process is followed in case of proportionate allotment. In case of allotment for QIBs, it is subject to the discretion of the post issue lead manager.

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