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Video: What is a Stock Split?
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National Grid is a holding company. Through its subsidiaries, Co. is an energy utility. Co.'s business units include: U.K. electricity transmission (ET), in which Co. owns and operates the high-voltage ET network in England and Wales; U.K. electricity distribution, in which Co. owns ad operates the electricity distribution networks for the Midlands, the South West and South Wales; U.K. electricity system operator (ESO), in which Co. operates as the ESO across Great Britain; and New England, in which Co. owns and operates electricity transmission facilities and distribution networks across Massachusetts, New Hampshire and Vermont as well as gas distribution networks across Massachusetts. According to our NGG split history records, National Grid has had 1 split. | |
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National Grid (NGG) has 1 split in our NGG split history database. The split for NGG took place on May 22, 2017. This was a 916 for 1000 reverse split, meaning for each 1000 shares of NGG owned pre-split, the shareholder now owned 916 shares. For example, a 1000 share position pre-split, became a 916 share position following the split.
When a company such as National Grid conducts a reverse share split, it is usually because shares have fallen to a lower per-share pricepoint than the company would like. This can be important because, for example, certain types of mutual funds might have a limit governing which stocks they may buy, based upon per-share price. The $5 and $10 pricepoints tend to be important in this regard. Stock exchanges also tend to look at per-share price, setting a lower limit for listing eligibility. So when a company does a reverse split, it is looking mathematically at the market capitalization before and after the reverse split takes place, and concluding that if the market capitilization remains stable, the reduced share count should result in a higher price per share.
Looking at the NGG split history from start to finish, an original position size of 1000 shares would have turned into 916 today. Below, we examine the compound annual growth rate — CAGR for short — of an investment into National Grid shares, starting with a $10,000 purchase of NGG, presented on a split-history-adjusted basis factoring in the complete NGG split history.

Growth of $10,000.00
With Dividends Reinvested
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Start date: |
04/30/2015 |
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End date: |
04/28/2025 |
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Start price/share: |
$73.61 |
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End price/share: |
$72.85 |
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Starting shares: |
135.85 |
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Ending shares: |
226.82 |
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Dividends reinvested/share: |
$32.76 |
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Total return: |
65.24% |
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Average Annual Total Return: |
5.15% |
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Starting investment: |
$10,000.00 |
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Ending investment: |
$16,525.42 |
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Years: |
10.00 |
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Growth of $10,000.00
Without Dividends Reinvested
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Start date: |
04/30/2015 |
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End date: |
04/28/2025 |
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Start price/share: |
$73.61 |
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End price/share: |
$72.85 |
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Dividends collected/share: |
$32.76 |
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Total return: |
43.48% |
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Average Annual Total Return: |
3.68% |
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Starting investment: |
$10,000.00 |
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Ending investment: |
$14,354.66 |
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Years: |
10.00 |
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Date |
Ratio |
05/22/2017 | 916 for 1000 |
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