What it means
Once a company has listed, it can return to the market for more equity. When it creates and sells new shares, the proceeds go into the company's bank account and the total share count rises, which is often called a follow on or dilutive secondary offering.
The second type is a pure secondary sale, sometimes described as non dilutive. Here an existing holder, perhaps a founder, an early investor or a private equity fund, sells part of their stake to new investors, so ownership changes hands but the company neither gains money nor issues a single new share.
Companies raise fresh equity this way for the usual reasons: funding an acquisition, repaying debt, or financing expansion that debt markets will not support. Because the shares are usually priced at a discount to the prevailing market price to attract buyers, the announcement often knocks the share price in the short term.
The market reads the two types very differently. A capital raise for a clearly explained acquisition is often received well, whereas a large sale by founders can be interpreted as insiders reducing their exposure, which is why such sales are typically staged, disclosed carefully and often subject to lock up agreements.
For existing shareholders, the arithmetic to watch is dilution. New shares spread the same profit across a larger count, reducing earnings per share unless the money raised generates enough additional profit to compensate, which is the central question any board must answer before proceeding.
In practice
Real-world examples.
Example
A listed renewable energy developer raises $150,000,000 through a secondary offering to fund three solar projects already holding planning consent. The share price dips 6% on announcement, then recovers within two months as the projects reach financial close.
Example
A private equity fund that backed a retailer before its listing sells 8% of the company through a marketed secondary sale. No new shares are created and the retailer receives nothing, but the free float increases and the shares become easier to trade.
Example
A biotechnology company with eighteen months of cash launches a secondary offering at a 9% discount to raise $80,000,000 for a late stage trial. Existing holders accept meaningful dilution because the alternative is running out of money before the trial reports.
Think of it
“A secondary offering is selling more stock after you're already public-either new shares or existing ones.
Formula
Calculation
Post offering earnings per share = net profit / (existing shares + new shares issued). Percentage dilution = (old earnings per share - new earnings per share) / old earnings per share x 100.
A listed engineering group has 20,000,000 shares in issue and net profit of $30,000,000, giving earnings per share of $30,000,000 / 20,000,000 = $1.50. It announces a secondary offering of 5,000,000 new shares at $40 each, raising gross proceeds of 5,000,000 x $40 = $200,000,000. After underwriting and legal fees of 4%, or $8,000,000, net proceeds are $192,000,000.
The share count rises to 25,000,000. If profit were unchanged in the first year, earnings per share would fall to $30,000,000 / 25,000,000 = $1.20, a dilution of ($1.50 - $1.20) / $1.50 x 100 = 20%.
An investor holding 400,000 shares sees their stake fall from 400,000 / 20,000,000 = 2.0% to 400,000 / 25,000,000 = 1.6%. The offering only makes sense if the $192,000,000 raised eventually adds more than $7,500,000 of annual profit, the amount needed to restore earnings per share to $1.50 on the larger share count.Case study
Seen in the real world.
The following example is illustrative and entirely fictional. Halvard Instruments, an invented listed manufacturer of laboratory equipment, had 20,000,000 shares in issue and earned $30,000,000, giving earnings per share of $1.50. It identified an acquisition target priced at $180,000,000 and had no appetite to add that much debt.
The fictional board approved a secondary offering of 5,000,000 new shares at $40, raising $192,000,000 net of fees. Management were explicit with investors that earnings per share would fall to about $1.20 in year one, a 20% dilution, and set out exactly why the acquired business should add more than $7,500,000 of annual profit by year two.
The transparency mattered more than the discount. Because the dilution and the recovery path were both quantified in advance, the offering was covered and the share price recovered its pre announcement level within four months, once the first integration milestones were met.
Watch out
Common mistakes.
- Assuming every secondary offering raises money for the company, when a pure secondary sale by existing shareholders puts nothing into the business.
- Judging an offering by the discount alone, when the real question is whether the capital raised will generate enough profit to offset the dilution.
- Treating the announcement day share price fall as permanent, when a well explained raise for a value adding purpose frequently recovers.
Questions
People also ask.
How is a secondary offering different from an initial public offering?
An initial public offering is a company's first sale of shares to the public, while a secondary offering happens later when the company is already listed.
Does a secondary offering always dilute existing shareholders?
Only the type that issues new shares does; a sale of existing shares by current holders changes who owns the company but not how many shares exist.
Why are the new shares usually priced below the market price?
A discount compensates buyers for taking a large block at once and for the risk that the price moves before the offering closes.
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