BlackRock Investment Management, LLC - ZIX CORP ownership

ZIX CORP's ticker is ZIXI and the CUSIP is 98974P100. A total of 135 filers reported holding ZIX CORP in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
BlackRock Investment Management, LLC ownership history of ZIX CORP
ValueSharesWeighting
Q4 2016$1,041,000
+21.5%
210,760
+0.9%
0.00%0.0%
Q3 2016$857,000
+9.0%
208,959
-0.3%
0.00%0.0%
Q2 2016$786,000
-2.2%
209,521
+2.4%
0.00%0.0%
Q1 2016$804,000
-21.6%
204,646
+1.3%
0.00%0.0%
Q4 2015$1,026,000
+20.8%
201,976
+0.2%
0.00%0.0%
Q3 2015$849,000
-20.5%
201,626
-2.4%
0.00%0.0%
Q2 2015$1,068,000
+55.5%
206,658
+18.3%
0.00%0.0%
Q1 2015$687,000
+9.9%
174,696
+0.6%
0.00%0.0%
Q4 2014$625,000
+3.8%
173,602
-1.3%
0.00%0.0%
Q3 2014$602,000
-0.2%
175,904
-0.3%
0.00%0.0%
Q2 2014$603,000
-15.7%
176,438
+2.1%
0.00%0.0%
Q1 2014$715,000
-8.9%
172,790
+0.4%
0.00%0.0%
Q4 2013$785,000
-9.2%
172,060
-2.5%
0.00%0.0%
Q3 2013$865,000
+23.0%
176,531
+6.2%
0.00%0.0%
Q2 2013$703,000166,2220.00%
Other shareholders
ZIX CORP shareholders Q4 2015
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