MARSHALL WACE, LLP - ZIX CORP ownership

ZIX CORP's ticker is ZIXI and the CUSIP is 98974P100. A total of 118 filers reported holding ZIX CORP in Q3 2016. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of ZIX CORP
ValueSharesWeighting
Q4 2020$165,000
-87.6%
19,123
-90.1%
0.00%
-83.3%
Q1 2019$1,330,000
+27.6%
193,276
-24.0%
0.01%
-14.3%
Q3 2016$1,042,000254,2580.01%
Other shareholders
ZIX CORP shareholders Q3 2016
NameSharesValueWeighting ↓
VIEX Capital Advisors, LLC 748,977$5,280,0003.78%
Lapides Asset Management, LLC 885,300$6,241,0002.49%
Taylor Frigon Capital Management LLC 707,011$4,984,0001.56%
Acuitas Investments, LLC 363,127$2,560,0001.28%
Mesirow Financial Investment Management, Inc. 53,010$374,0000.96%
PERKINS CAPITAL MANAGEMENT INC 230,175$1,623,0000.92%
Mirador Capital Partners LP 514,304$3,626,0000.82%
MARTIN & CO INC /TN/ 386,744$2,727,0000.68%
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 414,751$2,924,0000.45%
PERRITT CAPITAL MANAGEMENT INC 112,800$795,0000.42%
View complete list of ZIX CORP shareholders