Short Interest Shift in Life Science Tools and Diagnostics (as of May 29)
TD Cowen released data on short‑interest changes for life‑science tools and diagnostics equities, with the information published on Tuesday, 10 June 2026. The short‑interest metric reflects the number of shares that investors have sold short but have not yet covered or closed out.
The stocks that posted the largest short‑interest increases were Exagen Inc. (NASDAQ:XGN), Waters Corp. (NYSE:WAT), Avantor Inc. (NYSE:AVTR) and Myriad Genetics Inc. (NASDAQ:MYGN). None of these increases exceeded 0.6 % of each company’s shares outstanding.
Conversely, the greatest short‑interest declines were recorded for 10X Genomics Inc. (NASDAQ:TXG), Pacific Biosciences of California Inc. (NASDAQ:PACB), Tempur Sealy International Inc. (NYSE:TEM), GRAIL Inc. (NASDAQ:GRAL) and Qiagen N.V. (NYSE:QGEN).
TD Cowen also identified the four most heavily shorted names in the group as Tempur Sealy International, Pacific Biosciences, GeneDx Holdings Corp. (NASDAQ:WGS) and GRAIL.
This article was generated with the support of AI and reviewed by an editor.