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Video: What is a Stock Split?
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| ARM Holdings is a holding company. Co. designs microprocessors, physical library applications and related technology and software, and sells development tools to enhance embedded applications. Co. licenses and sells its technology and products to international electronics companies, which in turn manufacture, market and sell microprocessors, application-specific integrated circuits and application-specific standard processors based on Co.'s technology to systems companies for incorporation into a variety of end products. Co. also licenses and sells development tools directly to systems companies and provides support services to its licensees, systems companies and other systems designers. According to our ARMH split history records, Arm Holdings plc Adrhedged has had 1 split. | |
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Arm Holdings plc Adrhedged (ARMH) has 1 split in our ARMH split history database. The split for ARMH took place on July 14, 2026. This was a 10 for 1 split, meaning for each share of ARMH owned pre-split, the shareholder now owned 10 shares. For example, a 1000 share position pre-split, became a 10000 share position following the split.
When a company such as Arm Holdings plc Adrhedged 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 ARMH split history from start to finish, an original position size of 1000 shares would have turned into 10000 today. Below, we examine the compound annual growth rate — CAGR for short — of an investment into Arm Holdings plc Adrhedged shares, starting with a $10,000 purchase of ARMH, presented on a split-history-adjusted basis factoring in the complete ARMH split history.

Growth of $10,000.00
With Dividends Reinvested
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| Start date: |
03/20/2025 |
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| End date: |
09/08/2026 |
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| Start price/share: |
$5.30 |
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| End price/share: |
$10.97 |
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| Starting shares: |
1,886.79 |
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| Ending shares: |
1,944.11 |
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| Dividends reinvested/share: |
$0.16 |
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| Total return: |
113.27% |
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| Average Annual Total Return: |
67.33% |
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| Starting investment: |
$10,000.00 |
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| Ending investment: |
$21,326.97 |
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| Years: |
1.47 |
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Growth of $10,000.00
Without Dividends Reinvested
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| Start date: |
03/20/2025 |
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| End date: |
09/08/2026 |
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| Start price/share: |
$5.30 |
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| End price/share: |
$10.97 |
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| Dividends collected/share: |
$0.16 |
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| Total return: |
109.93% |
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| Average Annual Total Return: |
65.55% |
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| Starting investment: |
$10,000.00 |
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| Ending investment: |
$20,994.03 |
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| Years: |
1.47 |
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| Date |
Ratio |
| 07/14/2026 | 10 for 1 |
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