These reports do not calculate NSS nor do are they able to track offshore hedgefunds that short and transfer their shares from one broker to another so shares don't show up on a reg-sho list. Check out this link by Bud Burrell.
You're right, it does'nt APPEAR to, but does'nt mean it is'nt either. Things are not always what they APPEAR to be, you ought to know that if you have any experience at all in trading stocks.