21VIANET GROUP INC's ticker is and the CUSIP is 90138A953. A total of 3 filers reported holding 21VIANET GROUP INC in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $746,818 | +71.7% | 238,600 | +59.1% | 0.00% | +200.0% |
| Q2 2023 | $435,000 | +2850.8% | 150,000 | +5669.2% | 0.00% | – |
| Q4 2022 | $14,742 | -97.4% | 2,600 | -97.5% | 0.00% | -100.0% |
| Q3 2022 | $576,000 | +276.5% | 104,700 | +313.8% | 0.00% | – |
| Q2 2022 | $153,000 | +15.9% | 25,300 | +11.9% | 0.00% | – |
| Q1 2022 | $132,000 | -71.9% | 22,600 | -56.5% | 0.00% | – |
| Q4 2021 | $470,000 | +58.8% | 52,000 | +204.1% | 0.00% | – |
| Q3 2021 | $296,000 | -71.6% | 17,100 | -62.4% | 0.00% | -100.0% |
| Q2 2021 | $1,044,000 | -62.5% | 45,500 | -47.2% | 0.00% | -75.0% |
| Q1 2021 | $2,784,000 | +51.1% | 86,200 | +62.3% | 0.00% | +33.3% |
| Q4 2020 | $1,842,000 | +475.6% | 53,100 | +296.3% | 0.00% | +200.0% |
| Q2 2020 | $320,000 | -67.2% | 13,400 | -81.0% | 0.00% | -87.5% |
| Q1 2020 | $977,000 | +348.2% | 70,500 | +135.0% | 0.01% | +700.0% |
| Q4 2019 | $218,000 | -59.2% | 30,000 | -57.2% | 0.00% | -75.0% |
| Q3 2019 | $534,000 | -9.0% | 70,100 | -6.9% | 0.00% | -20.0% |
| Q2 2019 | $587,000 | +381.1% | 75,300 | +389.0% | 0.01% | +400.0% |
| Q1 2019 | $122,000 | -46.0% | 15,400 | -41.2% | 0.00% | -50.0% |
| Q4 2018 | $226,000 | -49.0% | 26,200 | -40.3% | 0.00% | -50.0% |
| Q3 2018 | $443,000 | -51.7% | 43,900 | -53.5% | 0.00% | -50.0% |
| Q2 2018 | $917,000 | +37.3% | 94,500 | -2.0% | 0.01% | +14.3% |
| Q1 2018 | $668,000 | +18.0% | 96,400 | +36.0% | 0.01% | +75.0% |
| Q4 2017 | $566,000 | +27.2% | 70,900 | -9.3% | 0.00% | 0.0% |
| Q3 2017 | $445,000 | -43.7% | 78,200 | -50.3% | 0.00% | -50.0% |
| Q2 2017 | $791,000 | -11.4% | 157,500 | -3.2% | 0.01% | -20.0% |
| Q1 2017 | $893,000 | -76.3% | 162,700 | -69.8% | 0.01% | -73.0% |
| Q4 2016 | $3,771,000 | -39.3% | 537,900 | -31.2% | 0.04% | -44.8% |
| Q3 2016 | $6,216,000 | +9.6% | 781,900 | +40.8% | 0.07% | 0.0% |
| Q2 2016 | $5,669,000 | -82.8% | 555,200 | -66.3% | 0.07% | -85.6% |
| Q1 2016 | $32,881,000 | -45.8% | 1,646,500 | -42.7% | 0.46% | -35.4% |
| Q4 2015 | $60,712,000 | +352.9% | 2,871,900 | +291.6% | 0.72% | +288.1% |
| Q3 2015 | $13,405,000 | +46.0% | 733,300 | +63.9% | 0.18% | +44.5% |
| Q2 2015 | $9,183,000 | +209.3% | 447,500 | +166.2% | 0.13% | +172.3% |
| Q1 2015 | $2,969,000 | -10.4% | 168,100 | -21.6% | 0.05% | -6.0% |
| Q4 2014 | $3,315,000 | -70.4% | 214,300 | -65.6% | 0.05% | -71.1% |
| Q3 2014 | $11,210,000 | +5831.2% | 622,800 | +9785.7% | 0.17% | +5666.7% |
| Q2 2014 | $189,000 | -88.8% | 6,300 | -89.3% | 0.00% | -89.3% |
| Q1 2014 | $1,688,000 | +1306.7% | 58,800 | +1052.9% | 0.03% | +1300.0% |
| Q4 2013 | $120,000 | -80.9% | 5,100 | -86.6% | 0.00% | -83.3% |
| Q3 2013 | $628,000 | -4.0% | 38,100 | -34.0% | 0.01% | -25.0% |
| Q2 2013 | $654,000 | – | 57,700 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 104,700 | $576,000 | 0.00% |
| JANE STREET GROUP, LLC | 120,800 | $664,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| SIMPLEX TRADING, LLC | 57,400 | $315,000 | 0.00% |