Jim Breen

Research Analyst

About Mr. Breen

Jim Breen, CFA, joined William Blair & Company in 2010 as a communication services analyst. Previously, Mr. Breen spent 10 years as an analyst at Thomas Weisel Partners, LLC. He has been recognized several times in recent years by The Wall Street Journal's "Best on the Street" and the Financial Times/StarMine "World's Top Analysts" listing, the former of which ranked him the No. 2 stock-picker for 2010 in Internet and computer services. Mr. Breen also worked as a high-yield fixed-income analyst at BancBoston Robertson Stephens and as a civil engineer at Modern Continental Construction Company. He holds a B.S. in civil engineering from Tufts University and an MBA from the Carroll School of Management at Boston College.

Technology, Media, and Communications

Specialties: Internet Infrastructure and Communication Services

Coverage List

EGHT 8x8, Inc.
AKAM Akamai Technologies, Inc.
T AT&T Inc.
WIFI Boingo Wireless, Inc.
NET Cloudflare, Inc.
CCOI Cogent Communications Holdings, Inc.
COR CoreSite Realty Corporation
CONE CyrusOne, Inc.
DLR Digital Realty Trust, Inc.
EQIX Equinix, Inc.
GTT GTT Communications, Inc.
JCOM J2 Global, Inc.
LLNW Limelight Networks, Inc.
SWCH Switch, Inc.
TMUS T-Mobile US, Inc.
VZ Verizon Communications Inc.
VG Vonage Holdings Corp.