GRITSTONE BIO INC's ticker is and the CUSIP is 39868T955. A total of 3 filers reported holding GRITSTONE BIO 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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1 | -85.7% | 1,000 | -73.7% | 0.00% | – |
| Q2 2023 | $7 | -97.3% | 3,800 | -95.9% | 0.00% | – |
| Q1 2023 | $257 | +424.5% | 92,700 | +548.3% | 0.00% | – |
| Q4 2022 | $49 | -99.9% | 14,300 | -34.1% | 0.00% | – |
| Q3 2022 | $55,000 | +139.1% | 21,700 | +121.4% | 0.00% | – |
| Q2 2022 | $23,000 | -91.9% | 9,800 | -85.8% | 0.00% | – |
| Q1 2022 | $283,000 | +211.0% | 68,900 | +870.4% | 0.00% | – |
| Q4 2021 | $91,000 | +1200.0% | 7,100 | +787.5% | 0.00% | – |
| Q3 2021 | $7,000 | 0.0% | 800 | 0.0% | 0.00% | – |
| Q2 2021 | $7,000 | -50.0% | 800 | +5233.3% | 0.00% | – |
| Q1 2021 | $14,000 | – | 15 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 86,900 | $210,000 | 0.00% |
| SIMPLEX TRADING, LLC | 9,800 | $23,000 | 0.00% |
| JANE STREET GROUP, LLC | 38,100 | $92,000 | 0.00% |