A nearly $150 million bill from the federal government has taxpayer-funded Obamacare plans angry, with some experts wondering if more co-ops could shut down in the coming months.

When the Obama administration last week announced payments under the risk adjustment program for the 2015 benefit year, the news wasn’t good for the 10 Obamacare consumer oriented and operated plans, or co-ops, that remain out of the 23 original plans, which owe more than $150 million to the government.