The company priced 30 million shares at $26 a share, all by selling shareholders.
The stock dipped 1.44% to $25.98 at 10 a.m. More than 6.6 million shares had changed hands, which easily beat the average volume of 1,099,400.
U.S. stock futures are falling Tuesday as the Federal Reserve kicks off a two-day meeting at which it's expected to raise interest rates.
The week ending March 8 saw a net $2.7 billion come out of high yield mutual and exchange traded funds.
On Tuesday, March 14, investors await quarterly results from HD Supply.