As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of DexCom: Wolverine Trading LLC, Squarepoint Ops LLC, Royal Bank of Canada, Maven Securities LTD, Millennium Management LLC, Hudson Bay Capital Management LP, Group One Trading LLC, Cubist Systematic Strategies LLC, Caption Management LLC, Capstone Investment Advisors LLC, Citadel Advisors LLC, Balyasny Asset Management L.P., Bank of America Corp DE, BNP Paribas Financial Markets, Jane Street Group LLC, Lido Advisors LLC, Tudor Investment Corp ET AL, Parallax Volatility Advisers L.P., Two Sigma Securities LLC, Susquehanna International Group LLP, Hsbc Holdings PLC, HAP Trading LLC, Concourse Financial Group Securities Inc., PEAK6 LLC, Walleye Trading LLC, Walleye Capital LLC, Barclays PLC, Capital Fund Management S.A., JPMorgan Chase & Co., Simplex Trading LLC, Twin Tree Management LP, Garda Capital Partners LP, Wolverine Asset Management LLC, Intelligence Driven Advisers LLC, IMC Chicago LLC, and JPMorgan Chase & Co.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.