When a private-equity firm bought a Philadelphia institution, the most vulnerable patients bore the cost. : When a private-equity firm bought a Philadelphia institution, the most vulnerable patients bore the cost. Lia Logio arrived at Hahnemann University Hospital, in Philadelphia, in March, 2018, two months after it was sold to a private-equity firm. Logio, an internist, had come from Weill Cornell, in New York, a prestigious and well-funded nonprofit hospital, where she was a vice-chair.