Keeping an open mind and pursuing what you posted:
Rare, but admittedly after perusing in quick order, do ACKNOWLEDGE your contention of having egg on my face. Fortunately does not happen very often, but do stand corrected as I also dislike dealing with mutual fund buracracy and have little experience in that sometimes Brysztime(sp) labrinythe of a realm having not fully gone thru the totality of the fact that Woodford Equity Income (started earlier: June 2014) and much larger (close to 9X larger than Woodford Patient Trust owns ~75% of NWBO as of Aug 30 with the ~ balance of 25% owned by Woodford Patient Equity Trust.
So it appears that NWBO mix at Woodford: Woodford Equity Income: ~75% of NWBO Woodford Patient Equity ~25% " "
As for:
Believe it relates to solely this weekend's episode of Woodford holdings especially his charter in Woodford Equity Income of using derivatives.