Stocks That Split in 2021: What Investors Should Know

Why Companies Split Their Stock

A stock split divides existing shares into multiple shares, lowering the per-share price without changing the company's total market value. The goal is often to make shares appear more affordable to retail investors and improve liquidity. In 2021, several high-profile companies announced splits that drew widespread attention and reshaped how investors thought about share accessibility.

Splits do not create value on their own. They change the number of shares outstanding and the price per share in proportion. What matters is whether the lower price leads to broader demand, increased trading volume, and a more flexible options market.

Major Stocks That Split in 2021

Several prominent companies executed splits during the year, reflecting the broader rally in growth and tech stocks.

• Nvidia (NVDA): Announced a 4-for-1 stock split in July 2021, effective July 20. The split came after the share price had risen sharply, making it less accessible to smaller investors.
• Tesla (TSLA): Completed a 5-for-1 split in August 2021. Tesla had become one of the most valuable automakers, and the split followed a rapid run-up in its share price.
• Apple (AAPL): Executed a 4-for-1 split in August 2020, but its effects and investor discussion carried into 2021 as new investors entered positions.
• Alphabet (GOOGL): Announced a 20-for-1 stock split in February 2022, with discussion and anticipation building through late 2021.
• Amazon (AMZN): Split talk intensified in 2021, though the company did not execute a split that year.

The list of stocks that split in 2021 is shorter than in some prior years, but the impact of each split was amplified by the era's retail trading boom.

How a Stock Split Works in Practice

When a company declares a split, each share an investor holds is divided into a larger number of shares at a lower price. A 4-for-1 split, for example, turns one share priced at $600 into four shares priced around $150. The total value of the holding stays the same before and after the split, minus any transaction costs.

Exchanges typically adjust option contracts, share counts, and historical price charts to reflect the split. Investors who hold the stock in a brokerage account usually see the change reflected automatically, and fractional share positions are adjusted proportionally.

Do Stock Splits Move Prices?

Academic research and market history show mixed results. Splits often lead to a short-term price bump, driven by increased accessibility and media attention. However, the long-term performance of the stock depends on the company's fundamentals, earnings growth, and industry conditions.

In 2021, several stocks that split saw strong post-split momentum, but that momentum was also tied to the broader tech rally, low interest rates, and strong earnings. A split alone is not a buy signal.

What to Watch for After a Split

After a stock splits, investors should pay attention to a few practical details:

• Liquidity: A lower share price can attract more buyers and improve the bid-ask spread.
• Options: Options contracts are typically adjusted, which can change strike prices and contract sizes.
• Taxes: A split is generally a non-taxable event, but cost basis per share changes, which can affect gains or losses when you sell.
• Volatility: Some stocks see higher trading volume and short-term volatility immediately after a split.

Are Stocks That Split in 2021 Still Worth Watching?

The stocks that split in 2021 remain relevant as case studies in how companies manage share price accessibility. Nvidia and Tesla continued to be followed closely by investors interested in AI, electric vehicles, and high-growth tech. The conversation around future splits, such as Alphabet's, shows that the topic remains a regular part of market discussion.

For investors, the key lesson is to focus on the business behind the split. A lower share price can broaden the investor base, but long-term returns depend on the company's ability to grow earnings and maintain competitive advantages.