Aarthy S. Thamodaran

Aarthy S. Thamodaran is a Partner in Simpson Thacher’s Capital Markets Practice. Based in Washington, D.C., she advises prominent issuers, private equity sponsors and underwriters in a broad range of corporate finance transactions, including initial public offerings, follow-on and secondary equity offerings, spin-offs, high yield and investment grade debt offerings and acquisition financing transactions, as well as exchange offers and other liability management transactions. Her practice covers a wide spectrum of industries, including technology, industrials, business and professional services, financial services and real estate. She also advises clients on ongoing public reporting, compliance and corporate governance matters.

Aarthy was among the contributing editors who authored the “Global Overview” and “United States” sections of the 2023 and 2024 editions of “Lexology Panoramic: Initial Public Offerings,” which provides a comprehensive overview of the IPO market in jurisdictions around the world. Additionally, she frequently contributes to Initial Public Offerings: Considerations for Business Owners and Executives Taking Their Company Public.

Aarthy’s representative transactions have included advising:

• Hamilton Lane in connection with a long-term strategic partnership with Guardian, including managing Guardian's existing private equity portfolio of nearly $5 billion
• Hamilton Lane in a private placement, follow-on offering of Class A common stock and amendments to its credit agreements
• Herc Holdings in its acquisition of H&E Equipment Services, Inc. d/b/a H&E Rentals, in a cash-and-stock transaction
• Herc Holdings on the issuance and sale of $1.2 billion senior notes
• Finance of America on the issuance and sale of $50 million of Series A Convertible Perpetual Preferred Stock to affiliates of Blue Owl Alternative Credit Advisors in a private placement transaction
• Blackstone on the issuance and sale of $2 billion senior secured notes
• ARKA, a Blackstone portfolio company, in its acquisition by CACI International
• Underwriters in Apollo’s $1.4 billion mandatory convertible preferred stock offering and $600 million subordinated notes offering
• The Carlyle Group on the issuance and sale of $800 million senior notes

Aarthy joined Simpson Thacher in 2021 and became a partner in 2026. She received her B.A. from Yale University in 2009 and her J.D., magna cum laude, from Georgetown University Law Center in 2012, where she was elected to the Order of the Coif and was the Managing Editor of Georgetown Journal of Law and Public Policy. Additionally, she received her M.B.A. from University of Chicago Booth School of Business in 2020. She is admitted to practice in Washington, D.C. and Virginia.