Mary Shang

Viking Global Investors LP (VGI) is an independent, SEC-registered investment advisor and hedge fund manager headquartered in Stamford, Connecticut. The firm was founded by O. Andreas Halvorsen and David Ott in 1999. VGI provides investment advice to various private investment funds. Investors in the funds include charitable foundations, endowments, pension plans, sovereign entities, funds-of-funds, investment companies, trusts and individuals.

Nephron Research LLC provides investment research. The private company is based in New York, NY.

Barclays Capital, Inc. is a registered broker/dealer headquartered in New York City. The firm was founded in 1997 and is a subsidiary of Barclays Group US, Inc., ultimately owned by Barclays plc (LON: BARC) in Great Britain. Barclays Capital provides large corporate, government and institutional clients a full spectrum of prime brokerage services which includes equities and fixed income financing, OTC Clearing, Futures and Foreign Exchange Prime Brokerage and access to industry insights and analytics from their Strategic Consulting team.