closely-held

from WordNet (r) 3.0 (2006)

closely-held
    adj 1: owned by a relatively few shareholders; "a closely-held
           corporation"

from The Collaborative International Dictionary of English v.0.48

closely-held \closely-held\ adj.
   owned by a relatively few shareholders; -- of business
   organizations; as, a closely-held corporation.
   [WordNet 1.5]