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IPO vs FPO: Key Difference Between FPO and IPO

By REPAKA PAVAN ADITYA

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Updated on: Sep 24th, 2025

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7 min read

An IPO (Initial Public Offering) is when a company offers its shares to the public for the first time, becoming publicly traded on a stock exchange. In contrast, an FPO (Follow-on Public Offering) occurs when a company that is already listed issues additional shares to raise more capital.

Key Highlights:

  • An IPO is a company's initial public offering of shares, whereas in FPO issue additional shares by a company that is already listed.
  • An IPO raises capital to go public; an FPO secures additional funds or enables existing shareholders to sell their shares.
  • IPOs drive high excitement and volatility; FPOs are typically stable but can still impact stock prices.

What is an IPO (Initial Public Offering)?

An Initial Public Offering (IPO) is a process by which a privately held company offers its shares to the public for the first time, allowing it to be listed in the secondary market. This transition from a private to a public entity enables the company to raise capital from investors by selling its existing stake and issuing new shares.

Types of IPOs

  • Fixed Price IPO: In the fixed-price IPO process, the company sets a specific price for its shares, and investors must purchase those shares at that fixed price.
  • Book-Building Process: In the book-building process, the company fixes a price band, and investors should bid within that range in multiple lots. The listing price is determined by the dynamics of demand and supply.
  • Hybrid Offering: A Hybrid offering combines elements of both fixed-price and book-building methods.

Segments of IPO:

Main Board IPOs and SME IPOs refer to two distinct segments of the IPO segment, which differ in terms of the company size that lists their shares and the scale of the offering. Here’s a detailed explanation of each

Main Board IPO:

Main Board IPOs refer to companies that list their shares on the primary stock exchanges (like the National Stock Exchange (NSE) or the Bombay Stock Exchange (BSE). These companies are usually large, well-established businesses that meet stringent requirements by SEBI.

Characteristics:

Larger Companies: The Main Board IPOs are typically from larger and more established companies with a strong proven track record, steady revenue, and consistent profits.

Higher Listing Standards: These companies must meet stricter financial, corporate governance, and operational criteria set by the stock exchanges and SEBI.

Bigger Fundraising: The IPO size on the Main Board is usually large and often raises significantly more funds for its IPOs compared to SME IPOs.

Investor Base: These offerings attract institutional investors, retail investors, high-net-worth individuals (HNIs), and Angel Investors.

Regulatory Requirements: Companies must adhere to higher disclosure and compliance standards to be listed on the Main Board. This includes financial audits, detailed prospectus filings (DRHP and RHP), and adherence to other stringent regulatory requirements.

More Liquidity: As these companies are larger and have a wider shareholder base, their stocks tend to be more liquid when they get listed on the exchange, meaning they can be bought and sold more easily in the market without any volatility issues.

Example: A well-established company, such as Swiggy or NTPC Green Energy, has issued an IPO on the Main Board.

SME IPOs (Small and Medium Enterprises):

SME IPOs are designed for small and medium-sized enterprises that wish to raise capital through the public market, but they may not meet the stringent listing criteria required for the Main Board. 

These companies list their shares on a separate segment of the exchange, specifically aimed at smaller businesses. In India, the BSE SME and NSE Emerge platforms are examples of exchanges offering a segment for SME IPOs.

Characteristics:

  • Smaller Companies: SME IPOs are typically launched by smaller, emerging companies with limited operating histories or those in the early stages of growth, seeking funds for expansion.
  • Less Stringent Regulations: The listing requirements for SME IPOs are more lenient compared to those for the Main Board. This allows smaller businesses to access public capital without meeting the same financial thresholds as larger companies on the Main Board.
  • Lower Capital Raised: The fundraising amount is usually much smaller compared to Main Board IPOs. Typically, SMEs raise smaller sums, ranging from a few million to tens of millions of rupees.
  • Target Investor Base: SME IPOs primarily target retail investors and smaller institutional investors, as they offer more accessible entry and exit points compared to large Main Board IPOs.
  • Higher Risk: Investing in these SME IPOs is often considered riskier, as the businesses involved might have less proven business models and a higher potential for failure.
  • Less Liquidity: SME stocks typically have lower liquidity than those listed on the Main Board, making it more challenging to buy or sell them quickly.

Example: Some companies, such as HP Telecom India Ltd. and Tejas Cargo India Ltd., have entered the IPO market in the SME segment, seeking to expand their presence on the BSE SME or NSE Emerge platform.

Key Differences Between Main Board and SME IPOs

Feature

Main Board IPOs

SME IPOs

Company Size

Large, established companies

Small and medium-sized companies

Fundraising Size

Large

Small

Listing Requirements

Strict financial and regulatory standards

Relaxed financial and regulatory standards

Investor Base

Institutional investors, retail investors, and Angel Investors

Primarily retail investors and small institutions

Liquidity

High liquidity

Lower liquidity

Risks

Lower risk

Higher risk

Significance for the Company:

Capital Raising: An IPO enables the company to secure substantial funds for its expansion, debt reduction, or other strategic initiatives.

Public Recognition: Listing on a stock exchange enhances the company's visibility and credibility, potentially attracting more customers and partners, which leads to an increase in its brand value.

Exit Strategy: Founders, Promoters, and early investors can monetise their holdings, realising returns on their investments.

Employee Benefits: Public companies can offer stock options, serving as an incentive and retention tool for employees, which they can sell after listing upon standard terms.

Significance for Investors:

Investment Opportunities: IPOs offer investors the chance to invest in a company at an early stage of its public life, potentially yielding substantial returns over time.

Diversification: Investing in IPOs allows investors to diversify their portfolios with new and potentially high-growth companies.

Risks: IPOs can be more volatile, and there is a risk of losing money if the stock price doesn’t perform as expected.

What is an FPO (Follow-on Public Offering)?

Follow-on Public Offering (FPO) occurs when a company that is already publicly listed issues additional shares to raise more capital. This can be done through a dilutive or non-dilutive offering.

Types of FPOs:

  • Dilutive FPO: In the case of a Dilutive IPO, the company issues new shares, increasing the total number of shares outstanding, which can dilute the value of existing shares.
  • Non-Dilutive FPO: Existing shareholders, like promoters, sell their shares to the public, and no new shares are issued, which means there is no dilution in that company.

Significance for the Company:

  • Additional Capital: FPOs provide companies with additional funds for growth, debt reduction, or other strategic purposes.
  • Enhanced Liquidity: Increasing the number of outstanding shares in the market can improve the stock's liquidity, making it easier for investors to buy and sell the stock.
  • Market Perception: A successful FPO can signal confidence in the company's prospects, potentially boosting investor sentiment.

Significance for Investors:

  • Investment Opportunities: These FPOs provide investors with the chance to purchase additional shares of a company they are already invested in or to enter a company with a proven track record.
  • Dilution Considerations: In dilutive FPOs, the ownership percentages of existing shareholders will be reduced, which can impact the stock price and EPS.
  • Market Dynamics: FPOs can influence stock prices, and investors should assess the potential impact on their investment portfolios.

FPO vs IPO Key Differences

Aspect

IPO

FPO

Stage of Company

First-time public offering

Offering additional shares after the IPO

Purpose

Raise capital and become publicly traded

Raise more capital or offer shares to existing stakeholders

Impact on Shares

New shares introduced to the market

Existing shares sold or additional shares issued

Investor Access

New investment opportunities

Investment opportunity to buy more shares

Dilution

No dilution

Possible dilution for existing shareholders (in a dilutive FPO)

Market Sentiment

Initial excitement, high volatility

Often less excitement, but can be stable over time

How to Invest in IPO

Research the Company: Understanding its business model, studying its financial records, and examining its growth prospects will provide valuable insights into the company.

Open Demat Account: You need a Demat account, which is provided by stockbrokers to trade in IPOs.

Apply for the IPO: You can apply for the IPOs through banks via the ASBA process or with broking firms via UPI and ASBA by blocking the funds.

Bidding for Shares: You will either bid a price within the price band for a Book Building IPO or accept the fixed price for a Fixed Price IPO.

Wait for Allotment: If you get allotted any shares, the funds will be debited from your applied band account, and the shares will be credited to your Demat account.

How to Invest in FPO

Stay Informed: Keep an eye on public announcements from SEBI regarding upcoming FPOs.

Review the Prospectus: Check the company’s FPO prospectus to understand why they’re raising capital and whether it's a dilutive or non-dilutive offering.

Apply for the Offering: You can apply via the same brokerage or Net banking channels, like an IPO.

Monitor Share Price: Since FPO shares have already been traded on the market, you may have the opportunity to buy them at the market price or at a specific offering price.

Conclusion

Both IPOs and FPOs are essential methods for companies to raise funds from the public and provide investors with opportunities to invest in their businesses. The key difference lies in timing and purpose. IPOs are for companies going public for the first time, while FPOs are for companies that are already public and seek to raise additional funds.

Related Articles:
1. How to Apply for an IPO?
2How to Check IPO Allotment Status Online
3. How to Download IPO Form Online from NSE and BSE?
4. FDI vs FPI: Key Difference Between FDI and FPI
5. FDI vs FII: Key Difference Between FDI and FII
6. What is Grey Market Premium (GMP) in IPO?

Frequently Asked Questions

What are the two types of FPO?

The two types of FPO are a Fresh Issue (new shares issued) and Offer for Sale (existing shares sold by shareholders).

Is FPO good or bad?

FPO can be beneficial for raising funds but may dilute existing shareholders’ ownership, which can be seen as negative.

Is FPO taxable?

Yes, FPO proceeds are subject to taxes based on the individual's tax bracket and holding period.

What are the problems with FPOs?

FPOs may lead to dilution of shares, reduced stock value, and investor uncertainty or reduced demand.

Which is better, FPO or IPO?

IPO is suitable for companies going public, while FPO is used for additional fund-raising, and the better choice depends on the company's stage and objectives.

How to predict IPO listing price?

The listing price is often predicted by evaluating market conditions, investor interest, and the company’s fundamentals, pricing strategies and supply and demand.

About the Author
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REPAKA PAVAN ADITYA

Stocks and Mutual Funds Research Analyst
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I manifest my zeal in financial quantitative & quantitative research and have been instrumental in creating a robust process for the evaluation and monitoring of mutual funds. I’m responsible for Equity and Mutual Funds Research while creating instrumental mathematical models for portfolio construction after evaluating funds, and I play an integral role in analyzing changes in mutual funds, micro, and macro-economic indicators, and equity market events and trends. My views on asset classes which are integral in creating an investment strategy for any profile. Read more

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