GROUP ONE TRADING, L.P. - 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
GROUP ONE TRADING, L.P. ownership history of ZIX CORP
ValueSharesWeighting
Q3 2021$66,000
+6500.0%
9,353
+6350.3%
0.00%
Q2 2021$1,000
-90.9%
145
-90.1%
0.00%
Q1 2021$11,000
-67.6%
1,460
-63.1%
0.00%
Q4 2020$34,000
+47.8%
3,955
+17.2%
0.00%
Q2 2020$23,000
+1050.0%
3,375
+800.0%
0.00%
Q1 2020$2,000
-95.7%
375
-94.6%
0.00%
Q4 2019$47,000
-27.7%
6,980
-22.3%
0.00%
-100.0%
Q3 2019$65,000
+282.4%
8,983
+379.3%
0.00%
Q2 2019$17,000
-89.2%
1,874
-94.2%
0.00%
-100.0%
Q3 2017$157,000
+22.7%
32,200
+43.1%
0.00%0.0%
Q2 2017$128,000
+456.5%
22,500
+414.5%
0.00%
Q2 2015$23,000
+4.5%
4,373
-21.9%
0.00%
Q1 2015$22,000
+10.0%
5,6000.0%0.00%
Q4 2014$20,0000.0%5,600
-4.0%
0.00%
Q3 2014$20,000
+1900.0%
5,835
+2383.0%
0.00%
Q2 2014$1,0002350.00%
Other shareholders
ZIX CORP shareholders Q4 2014
NameSharesValueWeighting ↓
MIG Capital, LLC 2,319,453$7,933,0002.94%
Hawk Ridge Capital Management 444,727$1,521,0002.26%
PERKINS CAPITAL MANAGEMENT INC 360,039$1,231,0001.04%
Murphy Michael R 549,946$1,881,0000.65%
Coe Capital Management, LLC 428,393$1,465,104,0000.54%
KESTREL INVESTMENT MANAGEMENT CORP 1,053,100$3,602,0000.51%
Penbrook Management LLC 160,056$547,0000.50%
WHITE PINE CAPITAL LLC 286,375$979,0000.33%
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 600,217$2,053,0000.29%
Orbitronix, LP 133,500$457,0000.26%
View complete list of ZIX CORP shareholders