Primary vs. Secondary SharesEasy
One raises money for the company and dilutes you. The other raises money for a selling holder and dilutes nobody. Offer announcements print them as one number.
2 min read · 396 words
The distinction
- Primary shares are newly created. The company issues them and receives the money. The number of shares in existence goes up, so every existing holder owns a smaller fraction of a company that now has more cash in it.
- Secondary shares already exist. A holder — a founder, an early investor, a state — sells their own. The money goes to them. The share count does not change and nothing is diluted.
Both increase the shares available to trade, which is why both count towards free float, and why the two are so easily conflated.
Side by side
| Primary | Secondary | |
|---|---|---|
| Who receives the money | The company | The selling holder |
| Share count | Rises | Unchanged |
| Dilution | Yes | None |
| Counts towards free float | Yes | Yes |
| What it signals | A use of proceeds the company can state | A holder reducing their position |
| Typical vehicles | IPO, rights issue, follow-on, PIPE | IPO, block trade, accelerated bookbuild |
Why the split is the most useful line in an announcement
A headline "raises $600m" can mean the company received almost all of it, almost none of it, or anything between. The calculator on the ECM desk splits a stated offer into what reaches the balance sheet and what reaches the sellers.
Neither is wrong. A company that does not need money and whose early investors need liquidity is running a legitimate transaction. But the two say different things about why the offering exists.
Pre-emption: why Europe does primary differently
In much of Europe, issuing new shares requires them to be offered to existing holders first, in proportion — which is what a rights issue is. The point is that a holder who does not want to be diluted can pay to avoid it, and one who does not want to pay can sell the right instead. The calculator shows what doing nothing costs, which is the outcome nobody chooses on purpose.
US practice leans on shelf registrations and marketed offerings, where existing holders have no such entitlement. The same economic event, two different defaults about who is protected.
The one that is neither
A buyback is the mirror image: the company spends its own money to reduce the share count. It concentrates existing holders rather than diluting them — and the number to watch is the net share count, because issuance to employees can offset a whole programme.