It's consolidated into the same case. Although Fisher is focusing specifically on the derivative takings (so the benefit/remedy if any would flow back to GSEs themselves not to shareholders, although the shareholders would share in that benefit as they own equity in the company hence derivative).
Bryndon and other derivative suits are asking relief for the corporations. Fairholme and other direct cases are asking relief for themselves. Class action direct suits are asking relief for all shareholders in a class that signup.