SPERO THERAPEUTICS INC's ticker is and the CUSIP is 84833T903. A total of 3 filers reported holding SPERO THERAPEUTICS 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 2023 | $24,650 | +157.6% | 17,000 | +157.6% | 0.00% | – |
| Q1 2023 | $9,570 | -93.8% | 6,600 | -92.7% | 0.00% | – |
| Q4 2022 | $155,354 | +87.2% | 89,800 | +115.3% | 0.00% | – |
| Q3 2022 | $83,000 | +1560.0% | 41,700 | +513.2% | 0.00% | – |
| Q2 2022 | $5,000 | -88.6% | 6,800 | +36.0% | 0.00% | – |
| Q1 2022 | $44,000 | +1366.7% | 5,000 | +2400.0% | 0.00% | – |
| Q4 2021 | $3,000 | -99.5% | 200 | -99.3% | 0.00% | -100.0% |
| Q3 2021 | $554,000 | +83.4% | 30,100 | +39.4% | 0.00% | – |
| Q2 2021 | $302,000 | +196.1% | 21,600 | +213.0% | 0.00% | – |
| Q1 2021 | $102,000 | +2450.0% | 6,900 | +3350.0% | 0.00% | – |
| Q4 2020 | $4,000 | -63.6% | 200 | -80.0% | 0.00% | – |
| Q3 2020 | $11,000 | -21.4% | 1,000 | 0.0% | 0.00% | – |
| Q2 2020 | $14,000 | – | 1,000 | – | 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. | 6,600 | $9,570 | 0.00% |
| SIMPLEX TRADING, LLC | 14,400 | $20 | 0.00% |