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Video: What is a Stock Split?
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Elan Corp is a neuroscience-based biotechnology company headquartered in Ireland. Co.'s business is organized into two business units: BioNeurology and Elan Drug Technologies (EDT). Co.'s BioNeurology business unit engages in research, development and commercial activities primarily in the areas of Alzheimer's disease, Parkinson's disease, MS, Crohn's disease and severe chronic pain. Co. has a range of products at various stages of development in relation to each of these therapeutic areas. EDT develops and manufactures pharmaceutical products that deliver clinical benefits to patients, using its proprietary drug technologies in collaboration with pharmaceutical companies. According to our ELN split history records, ELN has had 3 splits. | |
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ELN (ELN) has 3 splits in our ELN split history database. The first split for ELN took place on August 20, 1992. This was a 3 for 2
split, meaning for each 2
shares of ELN owned pre-split, the shareholder now owned 3 shares. For example, a 1000 share position pre-split, became a 1500 share position following the split. ELN's second split took place on August 23, 1996. This was a 2 for 1
split, meaning for each share of ELN owned pre-split, the shareholder now owned 2 shares. For example, a 1500 share position pre-split, became a 3000 share position following the split. ELN's third split took place on June 07, 1999. This was a 2 for 1
split, meaning for each share of ELN owned pre-split, the shareholder now owned 2 shares. For example, a 3000 share position pre-split, became a 6000 share position following the split.
When a company such as ELN 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 ELN 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 ELN shares, starting with a $10,000 purchase of ELN, presented on a split-history-adjusted basis factoring in the complete ELN split history.

ELN -- use the split history when considering split-adjusted past price performance. |
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Date |
Ratio |
08/20/1992 | 3 for 2
| 08/23/1996 | 2 for 1
| 06/07/1999 | 2 for 1
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