The New York Post reports that the Oscar-winning actress never moved into the Main Street apartment, because this one turned out to be too big and she felt too exposed. So she's been using this ninth-floor unit as a storage spot for clothes while she and her husband live in another unit in the building.
With pictures:
http://homes.yahoo.com/photos/anne-hathaway-is-selling-apartment-that-she-reportedly-uses-as-a-closet-slideshow/
The Post's story:
http://pagesix.com/2013/09/04/anne-hathaway-to-flip-brooklyn-pad-for-4-5m-loss/