NEW YORK—New York-based real estate private equity and asset management firm Savanna, has closed several lease transactions throughout its New York City portfolio.

Some of the recent lease transactions closed include:

• A 19,500-sq.-ft. lease for Charles W. Cammack Associates an employee benefits firm and provider of Web-based benefit information management, retirement plans, employee welfare benefits. The company renewed its lease at 2 Rector Street where it occupies the entire 23rd floor. Mitchell Konsker, Scott Cahaly and Brian Reiver of Jones Lang LaSalle represented the landlord, an affiliate of Savanna, while Gabe Marans and Greg Taubin of Studley Inc. represented the tenant in the transaction.

• A 19,280-sq.-ft. lease for Jump Trading at 15 East 26th Street. Jump Trading, a privately funded algorithmic trading firm, will occupy the entire third floor for an 11-year term. Mitchell Konsker, Matthew Astrachan, Matthew Polhemus and Brittany Wunsch of Jones Lang LaSalle represented Savanna, while Gilbert L. Ohls, Matt Felice and Matt Carolan of Jones Lang LaSalle represented the tenant in this transaction.

• A 4,112-sq.-ft. lease for Virtual Service, a division of Future Communications Corporation, at 104 West 40th Street. The firm, which develops and designs video security systems, will occupy a portion of the building’s 10th floor for a four-year term. Todd Korren of Savanna represented the landlord, an affiliate of Savanna, while Paul Rhodes of Williamson, Picket & Gross represented the tenant in this transaction.

• A 3,700-sq.-ft. lease for Legal Solutions Group L.L.C. (LSG), a Web-based software application and business outsourcing company. The company extended and expanded its lease at 80 Broad Street taking a portion of the 27th floor for a nine-year term. Todd Korren of Savanna represented the landlord in this transaction.