A BC Partners-led consortium has closed its previously announced buy of pet supply retailer PetSmart Inc for $83 per share. As a result of the transaction, PetSmart will no longer trade on the NASDAQ as of March 11. The other firms that participated in the acquisition include La Caisse de dépôt et placement du Québec, StepStone and Longview Asset Management. J.P. Morgan Securities LLC provided financial advice to PetSmart on the deal.Also, PetSmart President and CEO David K. Lenhardt has stepped down from his duties. Michael J. Massey will replace Lenhardt while Raymond Svider becomes PetSmart’s non-executive chairman of its board of directors.