pfim
Player Valuation: £40m
Just going by media reports.They could take a 2nd or 3rd charge on the stadium or a floating charge against the club.
Inconceivable that their loan/s are not secured in some way.

777 Partners may end Everton backing amid prolonged takeover
Should the purchase process continue out, 777 Partners may deprive Everton of their backing. While awaiting purchase clearance, the American corporation attempting to acquire Everton lent the club almost $125 million. It has been stated that 777 Partners have made it clear they are not ready to...

This info is based on an article by the Times