Since you are the account owner, your default view is to see "All Gifts." This includes gifts that are both available and reserved by your gift givers.
Are you using a Computer?
To toggle between sections, from your "View Registry" section click on "All Gifts" located under your registry title. You can then choose between "All Gifts", "Available Gifts" and "Reserved & Purchased Gifts".
Are you using the app?
From your registry, click on the "Filter" button. You can then choose between "All", "Available" and "Reserved" gifts.