Split History
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Video: What is a Stock Split?

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STMicroelectronics is an independent semiconductor company that designs, develops, manufactures and markets components, application-specific integrated circuits, full-custom devices and semi-custom devices and application-specific standard products for analog, digital and mixed-signal applications. Co.'s reportable segments are as follows: Automotive and Discrete Group, which includes dedicated automotive integrated circuits (ICs) and discrete and power transistor products; Analog, Micro-Electro-Mechanical Systems (MEMS) and Sensors Group, which includes MEMS sensors and optical sensing solutions; and Microcontrollers and Digital ICs Group, which is comprised of microcontrollers. According to our STM split history records, STMicroelectronics has had 2 splits.
STM split history picture
STMicroelectronics (STM) has 2 splits in our STM split history database. The first split for STM took place on June 18, 1999. This was a 2 for 1 split, meaning for each share of STM owned pre-split, the shareholder now owned 2 shares. For example, a 1000 share position pre-split, became a 2000 share position following the split. STM's second split took place on May 09, 2000. This was a 3 for 1 split, meaning for each share of STM owned pre-split, the shareholder now owned 3 shares. For example, a 2000 share position pre-split, became a 6000 share position following the split.

When a company such as STMicroelectronics splits its shares, the market capitalization before and after the split takes place remains stable, meaning the shareholder now owns more shares but each are valued at a lower price per share. Often, however, a lower priced stock on a per-share basis can attract a wider range of buyers. If that increased demand causes the share price to appreciate, then the total market capitalization rises post-split. This does not always happen, however, often depending on the underlying fundamentals of the business.

Looking at the STM split history from start to finish, an original position size of 1000 shares would have turned into 6000 today. Below, we examine the compound annual growth rate — CAGR for short — of an investment into STMicroelectronics shares, starting with a $10,000 purchase of STM, presented on a split-history-adjusted basis factoring in the complete STM split history. STM split adjusted history picture

Growth of $10,000.00
With Dividends Reinvested

Start date: 05/28/2014
End date: 05/23/2024
Start price/share: $9.79
End price/share: $41.70
Starting shares: 1,021.45
Ending shares: 1,238.98
Dividends reinvested/share: $2.59
Total return: 416.66%
Average Annual Total Return: 17.86%
Starting investment: $10,000.00
Ending investment: $51,674.15
Years: 9.99
Growth of $10,000.00
Without Dividends Reinvested

Start date: 05/28/2014
End date: 05/23/2024
Start price/share: $9.79
End price/share: $41.70
Dividends collected/share: $2.59
Total return: 352.38%
Average Annual Total Return: 16.30%
Starting investment: $10,000.00
Ending investment: $45,231.17
Years: 9.99
Date Ratio
06/18/19992 for 1
05/09/20003 for 1
STM is categorized under the Technology sector; below are some other companies in the same sector that also have a history of stock splits:

STRI Split History
SWI Split History
SYMC Split History
SYMM Split History
SYNA Split History
SYNC Split History
SYNT Split History
SYRX Split History
T Split History
TACT Split History

Also explore: STM shares outstanding history

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