Consolidates 100% Ownership of the Asset and Extends Mortgage DebtNEW YORK, Dec. 05, 2025 (GLOBE NEWSWIRE) -- SL Green Realty Corp. (NYSE:SLG), Manhattan’s largest office landlord, today announced that it has closed on the acquisition of its joint venture partners’ combined 39.48% interest in 800 Third Avenue for total cash consideration of $5.1 million and completed a modification and extension of the property’s existing $177.0 million mortgage. SL Green’s ownership stake in the asset is now 100%. The mort ...