ATHERSYS INC's ticker is and the CUSIP is 04744L906. A total of 3 filers reported holding ATHERSYS INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $20,000 | -78.9% | 78,300 | -50.3% | 0.00% | – |
| Q1 2022 | $95,000 | -80.8% | 157,700 | -71.3% | 0.00% | – |
| Q4 2021 | $495,000 | +1803.8% | 549,200 | +3056.3% | 0.00% | – |
| Q3 2021 | $26,000 | +4.0% | 17,400 | 0.0% | 0.00% | – |
| Q2 2021 | $25,000 | -40.5% | 17,400 | +7241.8% | 0.00% | – |
| Q1 2021 | $42,000 | -60.4% | 237 | -61.2% | 0.00% | – |
| Q4 2020 | $106,000 | -49.3% | 611 | -43.2% | 0.00% | – |
| Q3 2020 | $209,000 | -45.7% | 1,076 | -23.0% | 0.00% | -100.0% |
| Q2 2020 | $385,000 | +171.1% | 1,397 | +193.5% | 0.00% | – |
| Q1 2020 | $142,000 | +4633.3% | 476 | +1541.4% | 0.00% | – |
| Q4 2019 | $3,000 | -62.5% | 29 | -54.7% | 0.00% | – |
| Q3 2019 | $8,000 | -88.2% | 64 | -84.2% | 0.00% | – |
| Q2 2019 | $68,000 | +41.7% | 405 | +26.2% | 0.00% | – |
| Q1 2019 | $48,000 | +26.3% | 321 | +19.3% | 0.00% | – |
| Q4 2018 | $38,000 | -82.8% | 269 | -74.5% | 0.00% | -100.0% |
| Q3 2018 | $221,000 | +12.8% | 1,053 | +5.7% | 0.00% | 0.0% |
| Q2 2018 | $196,000 | +9700.0% | 996 | +432.6% | 0.00% | – |
| Q1 2018 | $2,000 | -86.7% | 187 | -83.2% | 0.00% | -100.0% |
| Q4 2017 | $15,000 | -51.6% | 1,114 | +0.8% | 0.00% | 0.0% |
| Q3 2017 | $31,000 | +933.3% | 1,105 | +306.2% | 0.00% | – |
| Q2 2017 | $3,000 | -88.5% | 272 | -44.7% | 0.00% | -100.0% |
| Q1 2017 | $26,000 | – | 492 | +811.1% | 0.00% | – |
| Q4 2016 | $0 | -100.0% | 54 | +45.9% | 0.00% | – |
| Q3 2016 | $1,000 | -83.3% | 37 | -95.5% | 0.00% | – |
| Q2 2016 | $6,000 | -91.8% | 823 | -36.0% | 0.00% | -100.0% |
| Q1 2016 | $73,000 | – | 1,285 | +449.1% | 0.01% | – |
| Q4 2015 | $0 | -100.0% | 234 | -17.3% | 0.00% | – |
| Q3 2015 | $4,000 | – | 283 | +214.4% | 0.00% | – |
| Q2 2015 | $0 | -100.0% | 90 | -79.1% | 0.00% | -100.0% |
| Q1 2015 | $56,000 | +2700.0% | 430 | +290.9% | 0.01% | – |
| Q4 2014 | $2,000 | – | 110 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 78,300 | $20,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 185,400 | $48,000 | 0.00% |