ZIX CORP

CUSIP: 98974P100 Class: COM

ProShare Advisors LLC's Holding History (CIK: 0001357955)

Note: Option positions (PUT/CALL) are excluded.

Q2 2021
Shares 13,882 Value ($000) $98 Avg Close — Range —
Q1 2021
Shares 14,601 Value ($000) $110 Avg Close — Range —
Q4 2020
Shares 12,109 Value ($000) $105 Avg Close — Range —
Q1 2015
Shares 11,449 Value ($000) $45 Avg Close — Range —
Q4 2014
Shares 12,727 Value ($000) $46 Avg Close — Range —
Q3 2014
Shares 23,543 Value ($000) $81 Avg Close — Range —
Q2 2014
Shares 28,879 Value ($000) $99 Avg Close — Range —
Q1 2014
Shares 62,642 Value ($000) $259 Avg Close — Range —
Q3 2013
Shares 39,089 Value ($000) $191 Avg Close — Range —
Q2 2013
Shares 39,689 Value ($000) $168 Avg Close — Range —