21VIANET GROUP INC's ticker is and the CUSIP is 90138A903. A total of 4 filers reported holding 21VIANET GROUP INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $39,386 | +303.3% | 18,800 | +198.4% | 0.00% | – |
| Q1 2024 | $9,765 | -98.7% | 6,300 | -97.5% | 0.00% | -100.0% |
| Q4 2023 | $732,998 | +9267.4% | 255,400 | +10116.0% | 0.00% | – |
| Q3 2023 | $7,825 | -90.4% | 2,500 | -90.1% | 0.00% | – |
| Q1 2023 | $81,648 | -45.0% | 25,200 | -3.8% | 0.00% | – |
| Q4 2022 | $148,554 | -79.8% | 26,200 | -80.4% | 0.00% | -100.0% |
| Q3 2022 | $737,000 | -57.0% | 134,000 | -52.7% | 0.00% | -66.7% |
| Q2 2022 | $1,712,000 | +72.4% | 283,400 | +66.3% | 0.00% | +200.0% |
| Q1 2022 | $993,000 | -62.9% | 170,400 | -42.6% | 0.00% | -50.0% |
| Q4 2021 | $2,679,000 | -42.8% | 296,700 | +9.6% | 0.00% | -60.0% |
| Q3 2021 | $4,684,000 | +21.4% | 270,600 | +61.0% | 0.01% | 0.0% |
| Q2 2021 | $3,858,000 | -52.0% | 168,100 | -32.5% | 0.01% | -58.3% |
| Q1 2021 | $8,039,000 | +313.7% | 248,900 | +344.5% | 0.01% | +300.0% |
| Q4 2020 | $1,943,000 | +145.3% | 56,000 | +63.7% | 0.00% | +50.0% |
| Q3 2020 | $792,000 | 0.0% | 34,200 | +3.0% | 0.00% | -50.0% |
| Q2 2020 | $792,000 | -33.1% | 33,200 | -61.1% | 0.00% | -60.0% |
| Q1 2020 | $1,184,000 | +373.6% | 85,400 | +147.5% | 0.01% | +400.0% |
| Q4 2019 | $250,000 | +177.8% | 34,500 | +192.4% | 0.00% | +100.0% |
| Q3 2019 | $90,000 | -23.7% | 11,800 | -22.4% | 0.00% | 0.0% |
| Q2 2019 | $118,000 | -57.7% | 15,200 | -56.8% | 0.00% | -66.7% |
| Q1 2019 | $279,000 | +138.5% | 35,200 | +160.7% | 0.00% | +200.0% |
| Q4 2018 | $117,000 | -13.3% | 13,500 | +0.7% | 0.00% | 0.0% |
| Q3 2018 | $135,000 | -6.9% | 13,400 | -10.1% | 0.00% | 0.0% |
| Q2 2018 | $145,000 | -86.5% | 14,900 | -90.4% | 0.00% | -90.9% |
| Q1 2018 | $1,073,000 | +14.4% | 154,900 | +31.7% | 0.01% | +57.1% |
| Q4 2017 | $938,000 | +376.1% | 117,600 | +238.9% | 0.01% | +250.0% |
| Q3 2017 | $197,000 | +18.0% | 34,700 | +4.2% | 0.00% | 0.0% |
| Q2 2017 | $167,000 | -8.7% | 33,300 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $183,000 | -41.7% | 33,300 | -25.7% | 0.00% | -33.3% |
| Q4 2016 | $314,000 | -26.8% | 44,800 | -16.9% | 0.00% | -40.0% |
| Q3 2016 | $429,000 | -54.6% | 53,900 | -41.7% | 0.01% | -54.5% |
| Q2 2016 | $944,000 | -93.5% | 92,500 | -87.4% | 0.01% | -94.7% |
| Q1 2016 | $14,608,000 | +491.7% | 731,500 | +526.3% | 0.21% | +610.3% |
| Q4 2015 | $2,469,000 | -30.2% | 116,800 | -39.6% | 0.03% | -40.8% |
| Q3 2015 | $3,537,000 | +84.3% | 193,500 | +107.0% | 0.05% | +81.5% |
| Q2 2015 | $1,919,000 | +154.5% | 93,500 | +119.0% | 0.03% | +125.0% |
| Q1 2015 | $754,000 | -16.9% | 42,700 | -27.1% | 0.01% | -14.3% |
| Q4 2014 | $907,000 | -62.5% | 58,600 | -56.4% | 0.01% | -62.2% |
| Q3 2014 | $2,417,000 | +18.8% | 134,300 | +97.8% | 0.04% | +19.4% |
| Q2 2014 | $2,035,000 | -14.9% | 67,900 | -18.5% | 0.03% | -22.5% |
| Q1 2014 | $2,391,000 | +318.0% | 83,300 | +242.8% | 0.04% | +344.4% |
| Q4 2013 | $572,000 | +9.0% | 24,300 | -47.5% | 0.01% | -30.8% |
| Q2 2013 | $525,000 | – | 46,300 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 13,300 | $43 | 0.00% |
| GROUP ONE TRADING LLC | 25,200 | $81,648 | 0.00% |
| JANE STREET GROUP, LLC | 13,400 | $43,416 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |