I would expect that any price correction associated with delisting has already happened. IMO, that is why BDCs have had selling pressure for the last month. I believe that PSEC will be over $11 in a week or so. Under $11 and it is too much of a yield for the markets to ignore.
There was a mere 8 or 9% allocated to Russell ETF's. Those shares are long ago sold. All one must do is look at the volume spike from 03/01-03/24/2014. Do some simple math and you will discover your answer