No, it's a pay as you go proposition. The companies would probably be just fine if the RATs hadn't made it impossible to continue operations.
The carriers pay out 70-80% of their premiums as claims. They pay half of the remainder as taxes. Your suggestion would just cut their throats.
A Rand Paul supporter suggested a good solution earlier this AM...Rand Paul's plan is that health insurance should be like life insurance. When you buy the policy, it's based on your age. As long as you pay your premium, you have that plan until you're on Medicare, same premium.