Menu display Share can be turned into a menu and used in a popover. Demo
Twig
{% set popover_trigger %}
  {% include '@bolt-elements-button/button.twig' with {
    content: 'Share menu',
    attributes: {
      type: 'button'
    }
  } only %}
{% endset %}
{% set popover_content %}
  {% include '@bolt-components-share/share.twig' with {
    display: 'menu',
    sources: var_foo,
    copy_to_clipboard: var_bar,
  } only %}
{% endset %}
{% include '@bolt-components-popover/popover.twig' with {
  trigger: popover_trigger,
  content: popover_content,
  spacing: 'none',
} only %}
HTML
Not available in plain HTML. Please use Twig.