Not publicly. I don't believe Obama was ever against it. He expressed views in favor of it in 1996. I think he was a coward on the issue out of pragmatism (even though I doubt it would have cost him the election in 2008 as views were moderating then). My two biggest criticisms of Obama were this and his unwillingness to take out ISIS earlier than he was. I believe he did this, because he promised to get out of Iraq and didn't want to break that promise even though ISIS was clearly a change in the game. Fighting ISIS was about counterterrorism, not about installing democracy.
It was Obamas plan that ultimately took out ISIS,without another major US Middle East invasion that the American people did not want.