SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 60 filers reported holding SPERO THERAPEUTICS INC in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.6%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $1,000 | -95.5% | 1,934 | -25.1% | 0.00% | – |
| Q1 2022 | $22,000 | -45.0% | 2,581 | +4.6% | 0.00% | – |
| Q4 2021 | $40,000 | -11.1% | 2,467 | 0.0% | 0.00% | – |
| Q3 2021 | $45,000 | +25.0% | 2,467 | -3.6% | 0.00% | – |
| Q2 2021 | $36,000 | +12.5% | 2,559 | +18.0% | 0.00% | – |
| Q1 2021 | $32,000 | -84.2% | 2,169 | -79.1% | 0.00% | – |
| Q4 2020 | $202,000 | +83.6% | 10,400 | +5.9% | 0.00% | – |
| Q3 2020 | $110,000 | -22.5% | 9,825 | -6.7% | 0.00% | – |
| Q2 2020 | $142,000 | +992.3% | 10,525 | +530.6% | 0.00% | – |
| Q1 2020 | $13,000 | -35.0% | 1,669 | -21.4% | 0.00% | – |
| Q4 2019 | $20,000 | -13.0% | 2,124 | 0.0% | 0.00% | – |
| Q3 2019 | $23,000 | +35.3% | 2,124 | +44.1% | 0.00% | – |
| Q2 2019 | $17,000 | -10.5% | 1,474 | 0.0% | 0.00% | – |
| Q1 2019 | $19,000 | +216.7% | 1,474 | +44.7% | 0.00% | – |
| Q4 2018 | $6,000 | -45.5% | 1,019 | 0.0% | 0.00% | – |
| Q3 2018 | $11,000 | -26.7% | 1,019 | 0.0% | 0.00% | – |
| Q2 2018 | $15,000 | +7.1% | 1,019 | 0.0% | 0.00% | – |
| Q1 2018 | $14,000 | +16.7% | 1,019 | 0.0% | 0.00% | – |
| Q4 2017 | $12,000 | – | 1,019 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Aquilo Capital Management, LLC | 3,829,209 | $53,456,000 | 13.89% |
| Atlas Venture Associates IX, LLC | 1,376,968 | $19,223,000 | 3.38% |
| BVF INC/IL | 2,137,978 | $29,846,000 | 1.12% |
| AWM Investment Company, Inc. | 372,755 | $5,204,000 | 0.51% |
| Novo Holdings A/S | 468,902 | $6,546,000 | 0.29% |
| Rock Springs Capital Management LP | 965,928 | $13,484,000 | 0.27% |
| Alphabet Inc. | 889,979 | $12,424,000 | 0.25% |
| Artal Group S.A. | 500,000 | $6,980,000 | 0.14% |
| Granahan Investment Management | 332,639 | $4,644,000 | 0.09% |
| Radnor Capital Management, LLC | 10,000 | $140,000 | 0.05% |