Secondary market purchases rose at Fannie Mae.
Second quarter new business acquisitions were $183.1 billion, according to the Washington, D.C.-based company's monthly operating summary. Volume rose from $161.7 billion the prior quarter and $156.1 billion a year earlier.
For just June, purchases amounted to $64.0 billion, down from $66.4 billion in May.
Delinquency, reported on a one-month lag, remained at 0.62 percent on May 31.
The secondary lender's book of business ended the latest quarter at $2.671 trillion, the report said.
Fannie's duration gap moved to +1 month from 0 in May.