The National Law Journal, a sibling publication, published its annual report on the nation’s 350 largest law firms by attorney head count this week. As firms size up their competitors, and with the first six months of 2015 already behind us, we decided to take a look at which Am Law 200 firms saw their legal ranks fluctuate the most through the first half of this year.

The Am Law Daily undertook a similar exercise in early March, as well as last fall, using data compiled by ALM’s RivalEdge database. For this report, we crunched head count numbers for Am Law 200 firms from Jan. 1, 2015, through June 10, presenting the firms that experienced the greatest percentage changes.