Analyst Information


William Quirk, CFA

Sr Research Analyst

William Quirk, CFA

 William Quirk is a managing director and senior research analyst at Piper Sandler, focusing on the medical diagnostics and life science tools sectors. Prior to joining Piper Sandler in 2006, Quirk worked in equity research at RBC Capital Markets in Minneapolis and at Paine Webber in New York. In 2012, he was named the most accurate earnings forecaster for the Life Science Tools industry by StarMine. Quirk received a bachelor's degree in business from St. Norbert College and a Master of Business Administration degree from the Carlson School of Management at the University of Minnesota. He holds the Chartered Financial Analyst™ designation.


Rachel Vatnsdal
Research Analyst
Universe Coverage:
Healthcare:   Medical Diagnostics, Life Science Tools
AXDXAccelerate Diagnostics, Inc.
AAgilent Technologies, Inc.
AVTRAvantor, Inc.
BDXBecton, Dickinson and Company
BIM FPbioMerieux
CDNACareDx, Inc.
DHRDanaher Corporation
FLDMFluidigm Corporation
FLGTFulgent Genetics, Inc.
HSKAHeska Corporation
HOLXHologic, Inc.
ILMNIllumina, Inc.
LHLaboratory Corporation of America Holdings
LMNXLuminex Corporation
MASIMasimo Corporation
VIVOMeridian Bioscience Inc.
MYGNMyriad Genetics, Inc.
NTRANatera, Inc.
OCXOncoCyte Corp.
OXFDOxford Immunotec Global PLC
PACBPacific Biosciences of California, Inc.
PKIPerkinElmer, Inc.
DGXQuest Diagnostics Incorporated
QDELQuidel Corporation