--- title: "Most and least shorted healthcare stocks with up to $2B market cap in May" type: "News" locale: "en" url: "https://longbridge.com/en/news/285083732.md" description: "Short sellers have increased their positions in small-cap healthcare stocks, particularly those under $2 billion market cap, leading to heightened bearish sentiment. Sensei Biotherapeutics tops the list with a short interest of 63.85%, followed by KalVista Pharmaceuticals at 38.35%. Conversely, Beyond Air and Polaryx Therapeutics have minimal short interest at 0.50%. The healthcare sector has underperformed, with the Health Care Select Sector SPDR® Fund declining 6.23% year-to-date, despite the S&P 500's 5.62% rally." datetime: "2026-05-04T14:02:20.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/285083732.md) - [en](https://longbridge.com/en/news/285083732.md) - [zh-HK](https://longbridge.com/zh-HK/news/285083732.md) --- # Most and least shorted healthcare stocks with up to $2B market cap in May ### Related Stocks - [XAIR.US](https://longbridge.com/en/quote/XAIR.US.md) - [PLYX.US](https://longbridge.com/en/quote/PLYX.US.md) - [KALV.US](https://longbridge.com/en/quote/KALV.US.md) ## Related News & Research - [Merger Agreement With Chiesi Puts Strategic Handcuffs on KalVista, Raising Execution and Liquidity Risks](https://longbridge.com/en/news/286635514.md) - [Full Transcript: DRI HEALTHCARE TRUST Q1 2026 Earnings Call](https://longbridge.com/en/news/286578500.md) - [We Were Ready To Increase Our Short - Then These Charts Showed Up](https://longbridge.com/en/news/286882660.md) - [UnitedHealth Group Incorporated $UNH Holdings Boosted by GSA Capital Partners LLP](https://longbridge.com/en/news/286878927.md) - [08:17 ETHartford HealthCare and Vitea Partner to Advance Responsible AI Innovation Across Healthcare](https://longbridge.com/en/news/286911045.md)