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Investing » What Is Capital Stock? Share Classes and Corporate Equity

What Is Capital Stock? Share Classes and Corporate Equity

Understand what capital stock is, how it differs from common stock, and why it matters for balance sheets, equity, and company ownership.
Author: Baruch Mann (Silvermann)
Interest Rates Last Update: April 1, 2025
The banking product interest rates, including savings, CDs, and money market, are accurate as of this date.
Author: Baruch Mann (Silvermann)
Interest Rates Last Update: April 1, 2025

The banking product interest rates, including savings, CDs, and money market, are accurate as of this date.

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Table Of Content

What Is Capital Stock?

Capital stock refers to the total shares of ownership a company is authorized to issue, as outlined in its corporate charter.

This includes both common stock and preferred stock, which together represent the company's equity financing.

Unlike the number of shares actually issued and traded, capital stock is the maximum number a company can legally offer to investors.

For example, a company might be authorized to issue 10 million shares (its capital stock) but has only issued 6 million to date.

This distinction is important because it gives the company flexibility to raise more funds later by issuing additional shares.

In practical terms, capital stock is used to finance business growth, pay off debt, or support operations without borrowing.

It reflects the owners' stake in the company and is recorded on the balance sheet under shareholders' equity.

How Does It Differ from Common Stock?

Capital stock is a broad term that encompasses both common and preferred shares, whereas common stock refers specifically to the equity issued to regular shareholders, who typically have voting rights.

  • Common stockholders are last in line for company assets if the business dissolves, but can benefit from capital appreciation and dividends.
  • In contrast, capital stock is a technical term used in legal and financial documents to describe the total amount of equity a firm can issue.
Feature
Capital Stock
Common Stock
Definition
Total shares a company is authorized to issue
Shares held by typical equity shareholders
Includes
Common and preferred stock
Only common stock
Rights
Varies based on stock type
Usually includes voting rights and dividends
Use in Accounting
Listed as part of shareholders’ equity
Tracked as a subset of capital stock

For example, if a startup authorizes 5 million shares (capital stock), but only issues 3 million common shares to founders and investors, the remainder can later be used for employee stock options or future fundraising rounds.

Authorized vs. Issued Capital Stock: What’s the Difference?

Category
Authorized Capital Stock
Issued Capital Stock
Definition
Maximum shares a company is allowed to issue
Shares actually sold and held by shareholders
Purpose
Sets legal limit for future fundraising
Represents current ownership and equity financing
Change Requires Approval?
Yes, typically needs shareholder approval
No, issued shares are within authorized limit
Example Use
Planning for IPO or expansion
Reflects existing ownership stakes

Authorized capital stock is the total number of shares a company can legally issue, as stated in its corporate charter.

Issued capital stock, on the other hand, is the actual number of shares a company has sold to investors.

The gap between the two gives companies flexibility to raise funds in the future without amending their charter.

For example, a business might authorize 10 million shares but only issue 6 million to founders and early investors, reserving the rest for future expansion, employee stock options, or additional financing.

Capital Stock Pros and Cons

Capital stock can be a powerful tool for raising funds, but it comes with trade-offs that companies must manage carefully.

Issuing shares helps companies raise money for operations, expansion, or debt repayment without borrowing from banks.

Unlike loans, funds raised from stock do not require repayment, freeing up cash flow for growth.

Going public or issuing stock can enhance a company’s credibility, attracting media attention and investor interest.

Companies can use shares for employee incentives, rewarding early contributors or bringing in strategic investors.

Issuing new shares reduces the ownership percentage of existing shareholders, which may cause concern for founders.

Shareholders may gain voting rights, which can shift decision-making power away from original owners.

Share prices fluctuate, and companies may feel pressured to prioritize short-term performance over long-term strategy.

How Capital Stock Impacts a Company’s Balance Sheet

Capital stock appears in the shareholders’ equity section of a company’s balance sheet and represents the funding received from issuing shares.

It’s typically broken into common stock and preferred stock, both recorded at par value. Any amount received above par is listed under additional paid-in capital.

For example, if a company issues 1 million shares at $5 each with a $1 par value, $1 million is recorded as capital stock, and $4 million as paid-in capital.

This structure helps analysts and investors assess how much of the company’s funding comes from equity rather than debt. It also indicates the level of shareholder ownership and potential dilution risk if more shares are issued later.

As a result, capital stock impacts key ratios like debt-to-equity and return on equity, influencing investor perception and lending decisions.

FAQ

Capital stock is part of equity but not the same as total equity. Total equity also includes retained earnings and additional paid-in capital.

Authorized stock sets a legal limit, while issued stock is what's actually sold. This system gives flexibility for future stock offerings, acquisitions, or employee compensation.

It shows up in the shareholders' equity section, listed separately from additional paid-in capital and retained earnings. It’s usually recorded at par value.

No, treasury stock is excluded from capital stock totals. Treasury shares are repurchased by the company and are not considered outstanding or part of shareholder equity.

Yes, but it typically requires board approval and a shareholder vote. This is common during mergers or when planning for large-scale fundraising.

Par value is a nominal value assigned to shares when authorized. It’s mostly symbolic today and doesn’t reflect the market price or value of the stock.

Issuing more shares can dilute ownership of existing shareholders, especially in startups or public companies. This can shift control or voting power.

Only corporations have capital stock. Partnerships and sole proprietorships do not issue stock since ownership is not divided into shares.

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Baruch Mann (Silvermann)

Baruch Silvermann is a financial expert, experienced analyst, and founder of The Smart Investor.  Silvermann has contributed to Yahoo Finance and cited as an authoritative source in financial outlets like Forbes, Business Insider, CNBC Select, CNET, Bankrate, Fox Business, The Street, and more.
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This website is an independent, advertising-supported comparison service. The product offers that appear on this site are from companies from which this website receives compensation. This compensation may impact how and where products appear on this site (including, for example, the order in which they appear).

This website does not include all card companies or all card offers available in the marketplace. This website may use other proprietary factors to impact card offer listings on the website such as consumer selection or the likelihood of the applicant’s credit approval.

This allows us to maintain a full-time, editorial staff and work with finance experts you know and trust. The compensation we receive from advertisers does not influence the recommendations or advice our editorial team provides in our articles or otherwise impacts any of the editorial content on The Smart Investor.

While we work hard to provide accurate and up to date information that we think you will find relevant, The Smart Investor does not and cannot guarantee that any information provided is complete and makes no representations or warranties in connection thereto, nor to the accuracy or applicability thereof.

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