ZIX CORP

CUSIP: 98974P100 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q3 2021
Shares 60,233 Value ($000) $426 Avg Close — Range —
Q2 2021
Shares 58,142 Value ($000) $410 Avg Close — Range —
Q1 2021
Shares 66,138 Value ($000) $499 Avg Close — Range —
Q4 2020
Shares 69,758 Value ($000) $602 Avg Close — Range —
Q3 2020
Shares 65,848 Value ($000) $385 Avg Close — Range —
Q2 2020
Shares 75,253 Value ($000) $519 Avg Close — Range —
Q1 2020
Shares 69,161 Value ($000) $298 Avg Close — Range —
Q4 2019
Shares 69,161 Value ($000) $469 Avg Close — Range —
Q3 2019
Shares 68,919 Value ($000) $499 Avg Close — Range —
Q2 2019
Shares 69,444 Value ($000) $631 Avg Close — Range —
Q1 2019
Shares 66,903 Value ($000) $460 Avg Close — Range —
Q4 2018
Shares 76,474 Value ($000) $438 Avg Close — Range —
Q3 2018
Shares 54,981 Value ($000) $305 Avg Close — Range —
Q2 2018
Shares 58,406 Value ($000) $315 Avg Close — Range —
Q1 2018
Shares 50,091 Value ($000) $214 Avg Close — Range —
Q4 2017
Shares 54,641 Value ($000) $239 Avg Close — Range —
Q3 2017
Shares 64,235 Value ($000) $314 Avg Close — Range —
Q2 2017
Shares 63,210 Value ($000) $360 Avg Close — Range —
Q1 2017
Shares 67,288 Value ($000) $324 Avg Close — Range —
Q4 2016
Shares 64,799 Value ($000) $320 Avg Close — Range —
Q3 2016
Shares 73,549 Value ($000) $302 Avg Close — Range —
Q2 2016
Shares 71,774 Value ($000) $269 Avg Close — Range —
Q1 2016
Shares 60,756 Value ($000) $239 Avg Close — Range —
Q4 2015
Shares 60,756 Value ($000) $309 Avg Close — Range —
Q3 2015
Shares 56,351 Value ($000) $237 Avg Close — Range —
Q2 2015
Shares 54,381 Value ($000) $281 Avg Close — Range —
Q1 2015
Shares 63,286 Value ($000) $249 Avg Close — Range —
Q4 2014
Shares 52,086 Value ($000) $188 Avg Close — Range —
Q3 2014
Shares 50,636 Value ($000) $173 Avg Close — Range —
Q2 2014
Shares 43,536 Value ($000) $149 Avg Close — Range —
Q1 2014
Shares 49,076 Value ($000) $203 Avg Close — Range —
Q4 2013
Shares 56,186 Value ($000) $256 Avg Close — Range —
Q3 2013
Shares 56,186 Value ($000) $275 Avg Close — Range —
Q2 2013
Shares 56,767 Value ($000) $240 Avg Close — Range —