Using the correct denominator is paramount to ensuring correct disclosure are made.
Denominators not only vary per jurisdictions, but can also vary per rule in the same jurisdiction.
For example, in the United Kingdom, major shareholding rules focus on Total Voting Rights, whereas for the Short Selling Regulations, Total Issued Capital should be used. This can make a huge difference in your percentage holdings in instances where the issuer has multiple voting rights per share, or even when the issuer holds shares in treasury.
For other jurisdictions, we typically focus on: