IPO (Initial Public Offering)

An IPO, or initial public offering, is the first sale of a company’s shares to public investors, transforming a private business into a listed one. The company (and often its early holders) sells stock at a price negotiated with underwriting banks, and from that morning on, the market sets the quote.

The math

A hypothetical company offers 10,000,000 new shares at $20, raising $200,000,000 before fees. With 90,000,000 shares already held by founders and early investors, 100,000,000 shares exist after the deal, so the offer values the whole business at $2 billion.

If the stock opens at $28, up 40 percent, the buyer at the open is paying a $2.8 billion valuation for the identical business the bankers priced at $2 billion the night before. That extra $8 per share funds nothing: the company already collected its $20.

	Offer price	Opening trade
Share price	$20	$28
Implied valuation	$2.0B	$2.8B
Cash raised by the company	$200M	$200M

The trap

Buying the excitement. IPO buyers face a stacked table: insiders chose the timing, the prospectus is a sales document, financial history is short, and the float is deliberately scarce to encourage a pop.

Then come the lockup expirations, typically around six months out, when early holders become free to sell and supply arrives all at once. Many richly received offerings trade below their first-day highs once the scarcity and the roadshow glow both fade.

The move

Put new listings on a bench, not in the portfolio. A few quarters of life as a public company produce what the roadshow never does: audited results delivered under scrutiny, guidance either met or missed, and a post-lockup price that reflects real supply.

The business will still be there in a year, frequently at a friendlier valuation. Serious stock picking prefers companies with a public track record to price against, and an IPO’s opening print is the single most marketed number the stock will ever have.