Institutional Investors Increase Stakes in WisdomTree Cybersecurity Fund Recent filings show significant institutional activity in the WisdomTree Cybersecurity Fund (WCBR), with Smith Anglin Financial and Demars Financial Group notably raising their holdings. Despite this, short interest declined 24.7% in March, suggesting reduced bearish sentiment. WCBR opened at $26.05 Friday, near its one-year low, reflecting ongoing volatility.12