"I think the market had this wrong for a couple years when they thought Obamacare was going to be a huge negative for the health insurance companies," he said.
Obamacare requires most Americans to purchase health coverage for next year or face a tax penalty. The online exchanges were set up by the federal and state governments to allow the uninsured to buy plans. The federal-run Healthcare.gov website has been riddled with tech problems—making enrollment more difficult.
—By CNBC's Matthew J. Belvedere. Follow him on Twitter @Matt_SquawkCNBC.
Disclosure: Neither Raskin nor his family owns any of the stocks mentioned in this article. Barclays owns them and has provided investment banking advice to these companies.