In June 2015, Blackstone acquired the Willis Tower in Chicago for $1.3 billion. In July 2015, Blackstone acquired Excel Trust, a real estate investment trust, for around $2 billion. In November 2015, the company agreed to sell facility management firm GCA Services Group to Goldman Sachs and Thomas H. Lee Partners. Investments since 2016 In January 2016, Blackstone Real Estate Partners VIII L.P. acquired BioMed Realty Trust for $8 billion. In February 2016, Blackstone sold four office buildings to Douglas Emmett for $1.34 billion. In April 2016, Blackstone acquired 84 percent of Hewlett-Packard Enterprise's stake in the Indian IT services firm Mphasis. On January 4, 2017, Blackstone acquired SESAC, a music-rights organization. On February 10, 2017, Aon PLC agreed to sell its human resources outsourcing platform for $4.3 billion to Blackstone Group L.P., creating a new company called Alight Solutions. On June 19, 2017, Blackstone acquired a majority interest in The Office Group, valuing the company at $640 million. In July 2017, the company announced an investment in Leonard Green & Partners. In January 2018, the company acquired Pure Industrial, a Canadian real estate investment trust for C$2.5 billion. In January 2018, the company announced acquisition agreement for 55% of Thomson Reuters Financial & Risk unit for $20 billion. In March 2018, Blackstone Real Estate Income Trust, Inc. acquired a 22 million square foot portfolio of industrial properties from Cabot Properties for $1.8 billion. In March 2018, Blackstone's Strategic Capital Holdings Fund invested in Rockpoint Group. In March 2018, the company's Strategic Capital Holdings Fund announced an investment in Kohlberg & Company, a private equity firm. In September 2018, the company acquires control of Luminor Bank in the Baltic countries. In October 2018, Blackstone launched Refinitiv, the company resulting from its January deal for a 55 per-cent stake in Thomson Reuters Financial and Risk business. In October 2018, Blackstone announced to buy Clarus. The deal includes assets worth $2.6 billion. In March 2019, Blackstone purchased, with Yankee Global Enterprises, a minority stake in YES Network. In April 2019, Blackstone acquired a majority stake in the tube packaging company, Essel Propack for $310 million. In June 2019, Blackstone announced it had teamed with the Canada Pension Plan Investment Board and KIRKBI to buy Merlin Entertainment, the owners of Legoland in a deal worth £5.9 billion (about $7.5 billion). This would be the 2nd time Blackstone would own the company as they