Blacklisting Icahn: How Some Drug Companies Keep Out Activists

  • Pharmaceutical firms bar resale of stakes to activist managers
  • 'I've never heard of such a thing,' activist Griggs says
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When Concordia Healthcare Corp. agreed to issue a 14 percent stake to a private equity firm, the Canadian drug manufacturer tucked into the deal several layers of protection from shareholder activists.

The agreement in October bars the buyout firm, Cinven, from transferring or reselling its Concordia shares to a list of almost 60 activist firms, including those run by Bill Ackman, Carl Icahn, and Dan Loeb, according to a regulatory filing. To make sure it didn’t miss anyone, Concordia also blocked Cinven from transferring its shares to anyone on the SharkWatch 50, a roster of the largest activists compiled by FactSet Research Systems Inc.