There is a setting in the Vantage admin dashboard which allows you to set the number of regular and features listings which appear on the homepage, however as with the default WordPress admin setting for Reading > "Blog pages show at most", the minimum number to display is currently "1". I am seeking clarification from our developer team to confirm whether or not the Vantage settings can override the default WP settings and will update this thread as soon as possible. Thanks.
Update: At this time the default WP settings are required (i.e. minimum is 1), so it would require some customization on your part if you wanted to show only the featured listings.