Yes, one way of interpreting the statement is that Jesus "did not count equality with God (which He had) a thing to be grasped (held on to), but emptied Himself (of His divinity), taking the form of a slave.Jesus can only let go of what he has, or it would be a pointless statement, because the context is what Jesus gave up and how he humbled himself of things he rightfully deserved. In other words Jesus didn't "grasp on" to what he had, but let it go for our sakes and his Father's will.
Another way of interpreting the statement is that Jesus "did not count equality with God (which He didn't have) a thing to be grasped (grabbed after for Himself), but (instead) emptied Himself (of His divine attributes), taking the form of a slave.