Business
How an IPO Works: From Private Company to Public Listing
An initial public offering sells shares to the public for the first time. The steps, the players and what investors should understand before buying in.
By Wells Love Editorial Desk · · 7 min read
Key takeaways
- An IPO raises money for a company and creates a market for its shares.
- Underwriters, regulators and a detailed prospectus shape the process.
- First-day price jumps do not guarantee long-term returns.
An initial public offering, or IPO, is the first time a company sells its shares to the general public on a stock exchange. It can raise large sums for growth or debt repayment, give early investors and employees a way to sell, and bring the scrutiny and obligations of being a listed company.
The steps
- Preparation. The company hires banks as underwriters, as well as lawyers and auditors, and prepares audited financial statements.
- Filing. In the United States, the company files a registration statement, including a prospectus, with the Securities and Exchange Commission. It describes the business, risks, finances and use of proceeds.
- Marketing. Management presents to institutional investors in a roadshow, and the banks gauge demand.
- Pricing. The offer price is set shortly before trading, based on demand and market conditions.
- Listing. Shares begin trading on the exchange, and the company then reports regularly to the public.
Who does what
Underwriters advise on structure and price, and typically buy shares from the company to resell to investors, earning a fee. Regulators do not judge whether an IPO is a good investment; they check that required information is disclosed. Exchanges set listing standards. Early investors such as venture funds may sell some shares, and agreements called lock-ups commonly restrict insiders from selling for a period after the listing, often several months.
Other routes to the market
- Direct listing. Existing shareholders sell on the exchange without the company issuing new shares.
- SPAC merger. A listed shell company acquires a private business, which takes its place on the exchange.
What investors should consider
- Read the prospectus, particularly risk factors and how the company plans to use the money.
- Compare the valuation with listed peers rather than relying on the story.
- Remember that retail investors often cannot obtain shares at the offer price and may buy only after trading starts, at a higher price.
- Check lock-up expiry dates, since insider selling can weigh on prices.
Some IPOs rise sharply on day one, but studies of past offerings have found mixed long-term results, and many shares trade below their first-day highs later. Treat an IPO like any other investment decision. This article is general education, not investment advice.
Sources and further reading
- Investor.gov (U.S. SEC): investor education
- SEC EDGAR: company filings and prospectuses
- U.S. Securities and Exchange Commission
This article is for information and education only and is not investment, tax or legal advice. Figures, rules and dates change; verify details with official sources before acting. See our Financial Disclaimer and Editorial Policy. Spotted an error? Tell us.
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