ZIX CORP's ticker is and the CUSIP is 98974P900. A total of 3 filers reported holding ZIX CORP in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $205,000 | +272.7% | 29,000 | +271.8% | 0.00% | – |
| Q2 2021 | $55,000 | +37.5% | 7,800 | +47.2% | 0.00% | – |
| Q1 2021 | $40,000 | -76.5% | 5,300 | -73.1% | 0.00% | – |
| Q4 2020 | $170,000 | +4150.0% | 19,700 | +3183.3% | 0.00% | – |
| Q3 2020 | $4,000 | -99.1% | 600 | -99.1% | 0.00% | -100.0% |
| Q2 2020 | $448,000 | – | 64,900 | +64800.0% | 0.00% | – |
| Q1 2020 | $0 | -100.0% | 100 | -75.0% | 0.00% | – |
| Q4 2019 | $3,000 | -80.0% | 400 | -85.2% | 0.00% | – |
| Q3 2018 | $15,000 | 0.0% | 2,700 | 0.0% | 0.00% | – |
| Q2 2018 | $15,000 | -72.7% | 2,700 | -72.2% | 0.00% | -100.0% |
| Q2 2017 | $55,000 | -15.4% | 9,700 | -24.2% | 0.00% | 0.0% |
| Q4 2015 | $65,000 | +132.1% | 12,800 | +91.0% | 0.00% | – |
| Q3 2015 | $28,000 | -75.0% | 6,700 | -69.0% | 0.00% | -100.0% |
| Q2 2015 | $112,000 | +100.0% | 21,600 | +52.1% | 0.00% | +100.0% |
| Q1 2015 | $56,000 | +124.0% | 14,200 | +105.8% | 0.00% | – |
| Q4 2014 | $25,000 | +4.2% | 6,900 | 0.0% | 0.00% | – |
| Q3 2014 | $24,000 | -78.8% | 6,900 | -74.7% | 0.00% | -100.0% |
| Q1 2014 | $113,000 | +2160.0% | 27,300 | +2381.8% | 0.00% | – |
| Q4 2013 | $5,000 | – | 1,100 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 400 | $3,000 | 0.00% |
| SIMPLEX TRADING, LLC | 51 | $34,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |