As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Merck & Co., Inc.: CTC LLC, Barclays PLC, Jane Street Group LLC, Wolverine Trading LLC, Readystate Asset Management LP, Point72 DIFC Ltd, Point72 Asset Management L.P., Parallax Volatility Advisers L.P., Parkman Healthcare Partners LLC, Maven Securities LTD, Centiva Capital LP, Berkley W R Corp, Verition Fund Management LLC, Capstone Investment Advisors LLC, Walleye Trading LLC, Walleye Capital LLC, PEAK6 Investments LLC, BNP Paribas Financial Markets, Citigroup Inc., MAI Capital Management, Marathon Trading Investment Management LLC, Gladius Capital Management LP, Mirae Asset Securities USA Inc., Wolverine Asset Management LLC, XY Capital Ltd, SpiderRock Advisors LLC, Genus Capital Management Inc., IMC Chicago LLC, Heritage Wealth Management Inc. CA , Concourse Financial Group Securities Inc., Oak Hill Wealth Advisors LLC, and Maven Securities LTD. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.