Irvine-based investor group Tech Coast Angels invested about $1 million in the third quarter, bringing the total amount it's put into start-up companies to $12.5 million so far this year.

The group has 300 members in five regional networks, including in Los Angeles, San Diego and the Inland Empire.

It was recently ranked by the Halo Report as “the most active angle investment network in the U.S.” based on the number of deals and amount funded.

The Halo Report is a quarterly report put together by the Silicon Valley Bank and New York-based data services firm CB Insights. The report includes analysis of investment activities by angel groups.

Tech Coast Angels’ third quarter investments were spread across five companies, including Huntington Beach-based AnyMeeting, a web conferencing services firm, and Nanoogo, a kids-focused online platform provider recently launched in Irvine.

Tech Coast Angels has funded 23 deals for the year so far.