It should seek light on its own when it finally aclimates to the aquarium.
It doesn't get that much protein from its zooanthaelic algae anyways.
Once it adjusts to your water params, it will start feeding more, and then seek out a place where it can gain the light it desires.
Disturbing it will just prolong the aclimation process and possible harm the animal more.
Like others have said, you don't get to pick where the anemone will be, it decides for itself.
If it needs more light, it we seek out the light.
Hope this helps, and good luck with the aclimation.