Granahan Investment Management - ZIX CORP ownership

ZIX CORP's ticker is ZIXI and the CUSIP is 98974P100. A total of 99 filers reported holding ZIX CORP in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of ZIX CORP
ValueSharesWeighting
Q4 2014$1,412,000
-22.9%
392,098
-26.8%
0.04%
-28.1%
Q3 2014$1,831,000
-0.7%
535,308
-0.7%
0.06%
+5.6%
Q2 2014$1,844,000
-29.9%
539,097
-15.2%
0.05%
-23.9%
Q1 2014$2,632,000
+11.6%
635,777
+22.9%
0.07%
+16.4%
Q4 2013$2,358,000
+95.4%
517,157
+109.9%
0.06%
+90.6%
Q3 2013$1,207,000246,4000.03%
Other shareholders
ZIX CORP shareholders Q4 2014
NameSharesValueWeighting ↓
Cloverdale Capital Management, LLC 525,926$2,598,0002.08%
PERKINS CAPITAL MANAGEMENT INC 280,989$1,388,0001.52%
PERRITT CAPITAL MANAGEMENT INC 1,020,043$5,039,0001.22%
Penserra Capital Management LLC 2,148,973$10,293,0001.18%
KESTREL INVESTMENT MANAGEMENT CORP 509,450$2,517,0000.94%
THB ASSET MANAGEMENT 1,229,817$6,075,0000.75%
ALGERT GLOBAL LLC 522,942$2,583,0000.74%
CONNORS INVESTOR SERVICES INC 632,122$3,123,0000.53%
GLOBEFLEX CAPITAL L P 261,100$1,290,0000.32%
CFO4Life, L.P. 66,500$329,0000.27%
View complete list of ZIX CORP shareholders