IPO Basics: How Companies Go Public
An IPO is the first sale of a private company's shares to the public, raising capital while subjecting the firm to new reporting requirements.
IPO Basics: How Companies Go Public
An initial public offering (IPO) is the first time a private company sells its shares to the public. Going public raises capital for growth, gives early investors a way to cash out, and turns a private firm into one that trades on a stock exchange.
Why Companies Go Public
- Raise capital — Fund expansion, R&D, acquisitions, debt paydown
- Liquidity for insiders — Founders and early investors can sell shares
- Currency for deals — Public stock can be used to acquire other companies
- Brand and credibility — Public listing signals maturity
- Employee compensation — Stock options become liquid
The IPO Process
| Step | What Happens |
|---|---|
| 1. Hire underwriters | Investment banks lead the offering |
| 2. File S-1 | Registration statement filed with the SEC |
| 3. Roadshow | Management pitches institutional investors |
| 4. Set price | Underwriters finalize the offer price |
| 5. Allocate shares | Institutions and some retail get shares |
| 6. First day of trading | Shares begin trading on the exchange |
How Pricing Works
Underwriters set the offer price based on demand signaled during the roadshow. The opening trade price is determined by an auction on the first day — often far above (or below) the offer price.
- Pop — First-day price jumps well above offer
- Broken IPO — Trades below offer price
Risks for Retail Investors
- Limited access — Hot IPOs are reserved for big institutions
- Volatility — First-day swings of 20–50% are common
- Limited history — Short track record as a public company
- Insider lockups — Large share blocks can hit the market when lockups expire (usually 90–180 days)
- Hype-driven pricing — Offer price may already bake in optimism
Alternatives to Traditional IPOs
- Direct listing — No new shares issued; existing shareholders sell directly (Spotify, Slack)
- SPAC — A blank-check company merges with a private firm to take it public
- Confidential filing — Lets companies prepare privately before revealing financials
How Beginners Should Approach IPOs
- Don't chase first-day pops — They often fade
- Wait for the dust to settle — Charts stabilize after weeks of trading
- Read the S-1 — Risk factors, financials, and use of proceeds are disclosed
- Watch lockup expirations — Selling pressure can drag the price down
- Focus on the business — Strong fundamentals matter more than hype
The Takeaway
IPOs generate excitement because every big company was once newly public. But most newly public companies aren't the next Amazon. For beginners, the smart move is often to wait — let the volatility settle, let financials build a history, and buy quality once the market has set a fair price.