Predictive site search Find a Lawyer See all Practices Your Career See all Industries See all Client Solutions Latest News Blackstone Closes Private Equity Secondary Funds at $25 Billion The Firm advised Blackstone in the final close of its global secondaries strategy, Strategic Partners IX, and inaugural GP-led continuation fund strategy, Strategic Partners GP Solutions. Read More > ParkerKelsey JessicaO'Connell L3Harris to Acquire Aerojet Rocketdyne The Firm is representing L3Harris Technologies, Inc. in its announced signing of a definitive agreement to acquire Aerojet Rocketdyne Holdings, Inc. in an all-cash transaction valued at $4.7 billion. Read More > SebastianTiller MarioPonce Simpson Thacher Wins Dismissal of Securities Litigation Against Qudian The Firm successfully secured the dismissal of a putative securities class action filed in the Southern District of New York against client Chinese online micro-lender Qudian Inc. Read More > StephenBlake JamesKreissman Emerson to Sell Majority Stake in Climate Technologies to Blackstone The Firm is advising Blackstone in a definitive agreement with Emerson to acquire a majority stake in Emerson’s Climate Technologies business—a transaction valuing Climate Technologies at $14 billion. Read More > ElizabethCooper WilliamAllen Elon Musk Completes Twitter Acquisition The Firm advised the Board of Directors of Twitter in its approximately $44 billion acquisition by an entity wholly owned by Elon Musk, as well as in litigation matters related to the transaction. Read More > AlanKlein AnthonyVernace Change Healthcare/UnitedHealth Combination Closes After Antitrust Win Against DOJ Change Healthcare closed its $13.8 billion combination with the Optum business unit of UnitedHealth Group after the Firm secured a high-profile antitrust victory for Change Healthcare against the DOJ. Read More > SaraRazi EricSwedenburg Silver Lake-Backed Cegid to Combine With Grupo Primavera in €6.8 Billion Merger Simpson Thacher is representing Silver Lake-controlled Cegid in its combination with Grupo Primavera. The all-share deal values the combined company at approximately €6.8 billion. Read More > JamesHowe Our Firm For nearly 140 years, we have put our collective experience to work for one simple purpose: our clients' success. Hong Kong Tokyo Beijing London Houston New York São Paulo Washington, D.C. Los Angeles Palo Alto Brussels Offices New York Beijing Hong Kong Houston London Los Angeles Palo Alto São Paulo Brussels Tokyo Washington, D.C. Latin American Region offices 18+ industries 30+ practices 1,000+ lawyers Resources Publications Public Company Advisory Practice Resource Center Securities Law Alert Insurance Law Alert Registered Funds Alert Regulatory Roundtable Podcast Subscribe Pro Bono See more > News & Events See more > Latest News Blackstone Closes Private Equity Secondary Funds at $25 Billion READ MORE > Statement From the Chair READ THE STATEMENT >