We actually just released this feature in beta today.
If you have Toad version 16.3, you can install the beta and try it. You can get the beta here: Toad for Oracle 17.0 Beta
Note: we don't have the ability yet to highlight multiple selects and run/pin them all automatically, but you can run one, pin the result, run the next, pin the result, etc. I plan to add the "run all" ability next.
Click here to pin the result
After that you get this:
-John