share dilution
Share dilution is when a company issues more shares, so your existing stake becomes a smaller slice of a now bigger pie.
In plain English
You know that feeling when your mother's rice used to serve four people generously, and now the same pot has to stretch for eight because more relatives showed up unannounced? Nobody took your portion away directly, but somehow your plate looks smaller than it used to.
That is share dilution in one sentence. It happens when a company that already has shareholders decides to create and sell new shares, whether to raise fresh money, pay staff bonuses in stock, or bring in a new investor. The company itself has not shrunk. In fact it might now have more cash than before. But the total number of shares has grown, so each existing share now represents a thinner slice of ownership, profit and voting power than it did yesterday.
Say a small Lagos tech startup has 1,000,000 shares outstanding, and you own 100,000 of them, which is a comfortable 10 percent. The founders then bring in a foreign investor who puts in fresh capital in exchange for 250,000 new shares. The company now has 1,250,000 shares in total. Your 100,000 shares have not moved, but your ownership has calmly slipped from 10 percent to 8 percent. You still hold the same number of shares, yet you now own less of the whole.
This is not always a bad thing. If the new money helps the business grow faster than the dilution shrinks your slice, you can end up richer even with a smaller percentage, because the pie itself got much bigger. It is only painful when a company issues shares carelessly, or when insiders dilute everyone else to reward themselves without adding real value.
Diaspora investors buying shares on the Nigerian Exchange or on platforms like Bamboo and Trove should always check a company's history of issuing new shares before buying in. A firm that dilutes its shareholders every year, without much to show for the extra cash raised, is one to watch closely.
You own 50,000 shares out of 500,000, which is 10 percent. The company issues 100,000 new shares to raise capital. Total shares become 600,000, and your 50,000 shares now represent only about 8.3 percent, even though you did not sell a single share.
Questions people ask
Does share dilution mean I lost money?
Not directly. Your number of shares stays the same, and their price does not automatically fall. What changes is your percentage ownership. Whether you are better or worse off depends on whether the new capital raised grows the company enough to make up for your smaller slice.
Can I stop a company from diluting my shares?
Sometimes. Many companies offer existing shareholders a rights issue first, letting you buy new shares at a set price to protect your percentage before offering them to outsiders. If you skip that offer, some dilution is hard to avoid.
Why would a company choose to dilute shareholders instead of borrowing money?
Issuing new shares avoids the pressure of loan repayments and interest. It spreads risk across more owners instead of piling debt onto the company's books, which some founders and boards see as the safer route, even though existing shareholders end up owning a smaller piece.
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