ESSEX INVESTMENT MANAGEMENT CO LLC - ZIX CORP ownership

ZIX CORP's ticker is ZIXI and the CUSIP is 98974P100. A total of 109 filers reported holding ZIX CORP in Q3 2013. The put-call ratio across all filers is 0.09 and the average weighting 0.1%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of ZIX CORP
ValueSharesWeighting
Q4 2020$2,079,000
+27.9%
240,958
-13.4%
0.26%
+10.7%
Q3 2020$1,625,000
-12.9%
278,172
+2.9%
0.23%
-23.9%
Q2 2020$1,866,000
+53.6%
270,382
-4.1%
0.31%
+24.4%
Q1 2020$1,215,000
-35.5%
281,981
+1.5%
0.25%
+6.0%
Q4 2019$1,883,000
-3.6%
277,742
+2.9%
0.23%
-17.7%
Q3 2019$1,953,000
-26.1%
269,806
-7.2%
0.28%
-22.3%
Q2 2019$2,643,000
+2014.4%
290,743
+1046.6%
0.36%
+1628.6%
Q4 2016$125,000
-88.0%
25,356
-87.7%
0.02%
-87.1%
Q4 2015$1,043,000
+14.7%
205,351
-4.9%
0.16%
+9.4%
Q3 2015$909,000
-15.3%
216,021
+4.1%
0.15%
-8.0%
Q2 2015$1,073,000
+486.3%
207,459
+380.3%
0.16%
+406.2%
Q2 2013$183,00043,1910.03%
Other shareholders
ZIX CORP shareholders Q3 2013
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