It has been absolutely no problem for me on the 11 private residences I have sold or even re-financed along the way.  Nor on the dozens of automobiles that I have either 'owned' or had liens against over the past 50 years or so.  

"Ownership" as it applies to Trump is still as much of a "strawman" argument as it would be to the homeowner or automobile owner. 

And his tax returns do not include all of the deeds, mortgage agreements, 2nd mortgages, rights of redemption, penalty clauses, rights of first refusal, partnership agreements and all sorts of other legal encumbrances that would reveal his true situation regarding those 514 entities he is a partner/shareholder/owner/participant in.

The listing of his corporate stock holdings by company posted on Wiki shows that .  

How much does he have in Johnson & Johnson?  Enough to judge his BigPharma position?  

How about holdings in:  " Nike, Google, Apple Inc., Philip Morris, Citigroup, Morgan Stanley, Whole Foods, Intel"?