SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 89 filers reported holding SPERO THERAPEUTICS INC in Q3 2021. The put-call ratio across all filers is 0.88 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $226 | -16.6% | 187 | 0.0% | 0.00% | – |
| Q2 2023 | $271 | 0.0% | 187 | 0.0% | 0.00% | – |
| Q1 2023 | $271 | -16.4% | 187 | 0.0% | 0.00% | – |
| Q4 2022 | $324 | – | 187 | 0.0% | 0.00% | – |
| Q3 2022 | $0 | – | 187 | 0.0% | 0.00% | – |
| Q2 2022 | $0 | -100.0% | 187 | 0.0% | 0.00% | – |
| Q1 2022 | $2,000 | -33.3% | 187 | 0.0% | 0.00% | – |
| Q4 2021 | $3,000 | -99.9% | 187 | 0.0% | 0.00% | – |
| Q3 2021 | $3,443,000 | +31.9% | 187 | 0.0% | 0.00% | – |
| Q2 2021 | $2,611,000 | – | 187 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,353,303 | $1,962,289 | 10.74% |
| Anson Funds Management LP | 3,444,862 | $4,995,050 | 0.83% |
| OUP Management Co., LLC | 249,070 | $361,152 | 0.62% |
| Atlas Venture Life Science Advisors, LLC | 1,013,438 | $1,469,485 | 0.18% |
| Murchinson Ltd. | 762,700 | $1,105,915 | 0.14% |
| AWM Investment Company, Inc. | 383,400 | $555,930 | 0.08% |
| Alphabet Inc. | 889,979 | $1,290,469 | 0.07% |
| Novo Holdings A/S | 468,902 | $679,908 | 0.05% |
| DAFNA Capital Management LLC | 125,000 | $181,250 | 0.05% |
| XTX Topco Ltd | 106,384 | $154,257 | 0.03% |