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Financial encyclopediaReviewed 2026-10-23

Stock Split

An increase in the number of shares of a corporation's stock without a change in the shareholders' equity. Companies often split shares of their stock to make them more affordable to investors. Unlike issuing new shares, a stock split does not dilute the ownership interests of existing shareholders. For example, if you own 100 shares of a company that trades at $100 per share and the company declares a two-for-one stock split, you will own 200 shares at $50 per share immediately after the split. If the company pays a dividend, your dividends paid per share also will fall proportionately.

Sources and references ↗
PROFILE / FACT FILE

Concept at a glance

Term
Stock Split [1]
Subject area
Investor.gov glossary [1]
Jurisdiction / scope
US regulatory and investor-education context [1]
Primary reference
SEC · Investor.gov [1]

Definition and explanation

An increase in the number of shares of a corporation's stock without a change in the shareholders' equity. Companies often split shares of their stock to make them more affordable to investors. Unlike issuing new shares, a stock split does not dilute the ownership interests of existing shareholders. For example, if you own 100 shares of a company that trades at $100 per share and the company declares a two-for-one stock split, you will own 200 shares at $50 per share immediately after the split. If the company pays a dividend, your dividends paid per share also will fall proportionately. [1]

Source-supported connections

Stock Split → Mentioned in the official explanation → Dividend [1]
Stock Split → Mentioned in the official explanation → Stock [1]

Frequently asked questions

What does Stock Split mean in the cited reference?

An increase in the number of shares of a corporation's stock without a change in the shareholders' equity. Companies often split shares of their stock to make them more affordable to investors. Unlike issuing new shares, a stock split does not dilute the ownership interests of existing shareholders. For example, if you own 100 shares of a company that trades at $100 per share and the company declares a two-for-one stock split, you will own 200 shares at $50 per share immediately after the split. If the company pays a dividend, your dividends paid per share also will fall proportionately. [1]

RELATION MAP

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Links retain their source-specific meaning. Award-time affiliations and links to related reading are not claims about current appointments or economic causation.

Sources and review dates

  1. US SEC · Investor.gov — Stock Split ↗

Reviewed 23 October 2026. Historical dates and award-time affiliations retain their original context. A review date is not an event date. Background sources are identified separately from official records.

Content preparation: source-based compilation with AI assistance. See methods and attribution. Named sources identify the underlying records; no individual expert review is claimed.