As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Merck & Co., Inc.: BNP Paribas Financial Markets, Concourse Financial Group Securities Inc., SpiderRock Advisors LLC, Oak Hill Wealth Advisors LLC, Simplex Trading LLC, Readystate Asset Management LP, Parallax Volatility Advisers L.P., BlueCrest Capital Management Ltd, Citadel Advisors LLC, Point72 Asset Management L.P., Balyasny Asset Management L.P., Eisler Capital US LLC, Eisler Capital UK Ltd., Capstone Investment Advisors LLC, Allianz Asset Management GmbH, Mendel Money Management, IMC Chicago LLC, One River Asset Management LLC, Wells Fargo & Company MN, UBS Group AG, BNP Paribas Financial Markets, Gladius Capital Management LP, Concourse Financial Group Securities Inc., CTC LLC, Genus Capital Management Inc., Simplex Trading LLC, and XR Securities LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.