A company can issue a certain number of shares, but not all of those shares necessarily remain in shareholders’ hands at any given time. Some may later be repurchased by the company itself.
This is where outstanding shares become important. The concept identifies how many shares remain held by shareholders, including individual investors, institutions, and certain company insiders.
Key Takeaways
- Outstanding shares are shares currently held by shareholders.
- Treasury stock is excluded from outstanding shares.
- The outstanding share count can change over time.
- The figure is used to calculate market capitalization and EPS.
- Outstanding shares are different from shares that are freely available for trading.
What Actually Counts as Outstanding Shares?
Outstanding shares are shares that have been issued by a company and remain held by shareholders.
Those shareholders can include individual investors, institutions, and company insiders. Certain insider-held shares can still be outstanding even when restrictions limit their ability to trade them.
Shares that the company has repurchased and holds as treasury stock are excluded. Those shares were previously issued, but they are no longer counted as being outstanding in shareholders’ hands.
Outstanding shares therefore describe the share ownership position at a particular point in time rather than simply the total number of shares a company has ever issued.
Outstanding shares are not the same thing as every share a company has ever issued.
Why Can the Number Change?
The outstanding share count is not necessarily fixed.
When a company issues additional shares, the number of outstanding shares can increase. This can occur when a company raises capital through equity issuance or when certain compensation or financing instruments result in new shares being issued.
The count can move in the opposite direction when a company repurchases its own shares. Shares acquired by the company can become treasury stock, reducing the outstanding share count.
Stock splits and reverse stock splits can also change the number of shares. A stock split increases the number of shares by dividing existing shares into a larger number, while a reverse split combines shares into a smaller number.
A change in share count should not automatically be interpreted as a change in the company’s economic value. Share quantity and share price can change together.
Outstanding Shares vs. Floating Shares
These terms are related but do not describe exactly the same group of shares.
Outstanding shares include shares held by shareholders, including certain insider and institutional holdings that may be subject to trading restrictions.
Floating shares have a narrower meaning. They focus on shares that are more readily available for trading in the market.
A company can therefore have a large number of outstanding shares while having a much smaller public float. That difference can affect how easily shares can be traded.
To understand stock liquidity, look beyond outstanding shares and consider how much stock is actually available to trade.
Why Do Outstanding Shares Matter for Market Capitalization?
One of the simplest uses of outstanding shares is calculating market capitalization.
In simplified form:
Market Capitalization = Outstanding Shares × Stock Price
The number of shares outstanding is therefore one of the components used to determine the market value of a company’s equity.
If the number of shares changes while the stock price remains constant, market capitalization changes mathematically as well. In real markets, however, share-count changes can occur alongside price movements, so the overall effect needs to be considered together.
This also explains why comparing the stock prices of two companies alone can be misleading. A share price does not tell you how many shares the company has outstanding.
How Does It Relate to Earnings Per Share?
Outstanding shares also play an important role in calculating earnings per share, or EPS.
Conceptually, EPS connects earnings attributable to common shareholders with the relevant number of common shares. Because the share count can change during a reporting period, EPS calculations often use a weighted average shares outstanding figure to account for those changes over time.
For example, if a company issues additional shares partway through a period, simply using the ending share count for the entire period may not accurately represent the number of shares associated with the reported earnings throughout that period.
This is why the weighted-average concept matters when interpreting EPS.
Outstanding Shares as a Snapshot of Ownership
The simplest way to understand outstanding shares is to treat the number as a snapshot of shares currently held by shareholders.
That figure can change because of new share issuance, repurchases, stock splits, or reverse stock splits. The number should therefore always be understood in relation to the period or date being measured.
Outstanding shares also connect ownership structure with important financial measures. Market capitalization uses the share count to represent the market value of equity, while EPS uses a relevant share count to connect earnings with common ownership.
Ultimately, outstanding shares are more than a number on a company’s financial records. They answer a basic question: how many shares are currently held by shareholders after accounting for shares that the company holds itself?