Portolan Capital Management - ZIX CORP ownership

ZIX CORP's ticker is ZIXI and the CUSIP is 98974P100. A total of 102 filers reported holding ZIX CORP in Q1 2014. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Portolan Capital Management ownership history of ZIX CORP
ValueSharesWeighting
Q2 2020$4,119,000
-53.1%
597,026
-70.7%
0.47%
-64.3%
Q1 2020$8,780,000
-52.1%
2,037,118
-24.6%
1.32%
-28.8%
Q4 2019$18,324,000
+43.0%
2,702,632
+52.7%
1.85%
+28.1%
Q3 2019$12,814,000
+933.4%
1,769,948
+490.9%
1.44%
+407.0%
Q1 2014$1,240,000
-59.6%
299,551
-52.1%
0.28%
-64.5%
Q3 2013$3,066,000
+4.7%
625,772
-9.6%
0.80%
-3.8%
Q2 2013$2,929,000692,4000.84%
Other shareholders
ZIX CORP shareholders Q1 2014
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