March 21, 2025
6 mins read
The minimum number of shares (in fixed multiples) required by investors to bid on an IPO is referred to as an IPO lot size. By establishing lot sizes, companies can achieve proper allocation of shares and promote a smoother trading experience. By understanding what a lot-size limit is and the rules established by SEBI, an investor can apply more accurately.
Initial Public Offerings (IPOs) refer to the process by which a private firm offers its shares on the open market for the first time. This means that investors can apply for shares when a company offers them to the public for the first time, as well as being able to raise capital for business purposes, as disclosed in the offer documents, by buying shares.
Because IPOs attract wide interest, certain rules help manage demand. One such rule is the IPO lot size. In simple terms, a lot size is the minimum number of shares that must be applied for in an IPO. Understanding this concept matters, especially before placing an application.
Now that the idea of lot size is clearer, the next step follows naturally. IPOs usually define two limits. These limits guide how many shares an individual can apply for.
The minimum lot size refers to the smallest number of shares allowed in one IPO application. Buying fewer shares is not permitted. This rule exists to keep applications meaningful and manageable.
For example, a company may offer shares in lots of 50. If the minimum is two lots, the application must cover 100 shares. Any lower number is not accepted.
On the other side sits the maximum lot size. This sets the highest number of shares one investor can apply for. The aim is simple. It helps distribute shares across many applicants. In turn, this prevents excessive concentration with a single investor.
Now that the types of lot sizes are clear, the next question often follows. The answer lies in structure and fairness. Lot sizes help define application limits for investors, including retail applicants. They also bring order to the application process.
Lot sizes allow issuers to distribute shares in an organised manner. Each application fits a defined structure. As a result, allotment becomes smoother and easier to manage.
Standard lot sizes support orderly trading after listing. Shares move in uniform quantities. This supports standardised trading quantities after listing over time.
By this point, the idea is fairly clear. IPO lot sizes are set by the issuing company. However, this decision does not happen in isolation. Several practical factors shape the final number. Each factor plays a role in keeping applications structured and accessible.
Price of the Shares: Share price influences how many shares form one lot. Higher prices often lead to smaller lots. This keeps the application value within a reasonable range.
Total Stocks Being Offered: The number of shares offered depends on funding needs. Based on this, companies decide suitable lot groupings.
Market Trends: Market demand, liquidity, and overall conditions matter. These help gauge how easily shares may be absorbed.
Regulatory Adherence: SEBI guidelines set clear limits and thresholds. These rules guide how lot sizes are fixed.
Participation of the Investors: Expected investor interest also matters. This helps balance demand across applications.
Details about the lot size are shared in the IPO prospectus. This document clearly mentions the minimum shares per application. Once these numbers are known, the calculation becomes simple.
Consider an example. A company offers 500 shares in an IPO. The minimum lot size is 20 shares. This means one application must include at least 20 shares.
To find the number of lots, a basic formula is used.
IPO lot size = Total issued shares ÷ Minimum lot size
Here, total shares equal 500. The minimum lot size equals 20.
So, 500 divided by 20 gives 25 lots.
This approach mirrors how IPO details are explained in public issue documents.
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Yes, it is possible to bid for 10 lots in an IPO. Unless you're not exceeding the maximum lot size, you can bid for as many lots as you want.
No, you cannot purchase shares in an IPO less than a single slot. It is the minimum lot size and you must comply with that.
The cost of purchasing one lot in an IPO depends on a variety of factors, like the IPO lot size, its price range, and so on.
As per the limits set by the SEBI, retail investors may buy shares of not more than ₹2 lakhs.
Generally, you may apply for any number of lots in an IPO. You just have to make sure it is more than the minimum lots fixed and less than the maximum lots determined. There are also different limits for retail investors, non-institutional buyers, and more.
The lot size is determined based on factors like market conditions, total amount of shares, regulatory requirements, investor engagement, and so on.
No, you cannot increase or decrease the number of lots after applying for an IPO. Therefore, it is important to fill out your application carefully; once you've submitted the same, it is considered final.
The IPO lot size is important for retail investors as it helps with allocation, fair participation and distribution of shares. It also makes the IPO market more accessible for them.
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