ETF Explainer: BUG

The twists and turns of a top-performing cybersecurity ETF.

Reviewed by: Heather Bell
Edited by: Heather Bell

Each month, we look at an ETF selected by based on its performance and importance to investors. This month, we consider the performance of the $552 million Global X Cybersecurity ETF (BUG), a thematic fund covering the cybersecurity space. All the companies mentioned below are holdings in BUG, unless otherwise noted (*).


ETF Explainer BUG

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JUL 8 Zscaler shares jump more than 6% on positive comments and upgrades by analysts. The company’s stock rises more than 18% during the month.

AUG 10 CrowdStrike’s stock price plunges along with other Nasdaq-listed technology stocks over multiple trading days.

DEC 22 Several Fortune 500 companies report being hit by the SolarWinds hack, leading to boosts in share price for Check Point Software Technologies and CyberArk.

FEB 5 A South Korea lawmaker claims Pfizer computers in the country were breached by North Korea hackers seeking to steal COVID-19 vaccine data, sending cybersecurity stocks into a sell-off.

MAR 10 Fortinet stock rises after it makes strong projections exceeding Wall Street estimates during its investor day.

MAY 11 NortonLifeLock notches record revenues and profits in its 4Q earnings report, and announces a $1.5 billion share buyback program, boosting the share price 20% over the next three days.

Source: Bloomberg; data for 6/30/2020-6/30/2021.

Heather Bell is a former managing editor of She has also held editorial positions at Dow Jones Indexes and Lehman Brothers. Bell is a graduate of Dartmouth college and resides in the Denver area with her two dogs.