What does IPO stand for? It stands for initial public offering, the first time a private company sells its shares to the general public on a stock exchange. Before the IPO, the company is owned by its founders, early staff and private investors. After it, anyone with a brokerage account can buy a small piece of the business.
Business news uses the term constantly: a company "files for an IPO," "prices its IPO" or "goes public." Each phrase marks a different step in a long process that can take many months and involves banks, lawyers, accountants and government review.
Quick facts
Stands for
Initial public offeringType
InitialismPlain meaning
A private company sells stock to the public for the first timeAlso called
Going public, a public listingRegulated by
The SEC in the United StatesRelated terms
Prospectus, underwriter, lockup period, ticker
What does IPO stand for? Each word explained
| Letter | Word | Meaning here |
|---|---|---|
| I | Initial | The first time; the company has never sold shares publicly before |
| P | Public | Open to ordinary investors, not only insiders |
| O | Offering | Shares put up for sale at a set price |
The money raised usually goes to the company to fund growth, pay down debt or let early backers sell some of their stake. Once the shares trade on an exchange, their value rises and falls with buying and selling each day. Big exchanges such as the Nasdaq list new companies this way.
How an IPO works, step by step
- Hire underwriters. Investment banks agree to manage the sale and help set the price.
- File with regulators. In the United States the company files a registration statement with the SEC, including a prospectus that explains its business, finances and risks.
- The roadshow. Company leaders meet large investors to explain the business and gauge demand.
- Pricing. The night before trading, the company and banks set the offer price and the number of shares.
- First day of trading. Shares begin trading under a short ticker symbol, and the market sets the price from there.
- Lockup period. Insiders are usually barred from selling their shares for a set time, often 90 to 180 days.
Reading IPO headlines
Headline: "Shoe maker files confidentially for IPO." This means the company has sent draft paperwork to regulators but has not made it public yet. The sale could still be months away, or never happen.
Headline: "Shares jump on first day after IPO." Trading opened above the offer price. Investors who got shares at the offer price saw a quick gain on paper.
Other phrases you may meet: "priced at the top of the range" (strong demand), "IPO postponed" (the company is waiting for better market conditions) and "oversubscribed" (more orders than shares).
Other ways to go public
An IPO is the classic route, but not the only one.
- Direct listing: existing shares start trading without new shares being sold and usually without underwriters.
- SPAC merger: a special purpose acquisition company, a shell company already listed on an exchange, merges with a private business and takes it public.
- Follow-on offering: a company that is already public sells more shares later. This is not an IPO, because the word initial no longer applies.
Saying and writing IPO
Pronounce it as three separate letters: "I P O." The plural is IPOs. Use an before it, since I sounds like "eye": "an IPO." It works as a noun ("the IPO raised money for expansion") and in compounds like IPO price, IPO date and pre-IPO company.
Do not confuse it with POA, power of attorney, or with IPA, which can mean India pale ale or the International Phonetic Alphabet. More money terms sit in our business acronyms hub.
Questions people ask
What does IPO mean in stocks?
It means initial public offering, the first sale of a company's stock to the public. After it, the shares trade on an exchange like any other public stock.
Can regular people buy shares in an IPO?
Most shares at the offer price go to large investors chosen by the underwriters. Some brokerages give small investors limited access, and anyone can buy once trading opens.
What does it mean when a company goes public?
It means the company has sold shares to the public and is now listed on a stock exchange. It must then publish regular financial reports.
What is an IPO lockup period?
It is a stretch of time after the IPO, often 90 to 180 days, when insiders agree not to sell their shares. It helps keep the price from dropping because of a sudden wave of selling.
Is an IPO the same as a stock split?
No. A stock split divides existing shares into more shares and does not raise new money. An IPO is the first public sale of a company's stock.