SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 70 filers reported holding SPERO THERAPEUTICS INC in Q3 2022. The put-call ratio across all filers is 11.73 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $131,000 | -8.4% | 176,157 | +974.1% | 0.00% | – |
| Q1 2022 | $143,000 | -60.4% | 16,400 | -33.1% | 0.00% | -100.0% |
| Q1 2021 | $361,000 | -3.7% | 24,528 | +26.9% | 0.00% | 0.0% |
| Q4 2020 | $375,000 | +56.9% | 19,328 | -9.8% | 0.00% | 0.0% |
| Q3 2020 | $239,000 | +8.1% | 21,428 | +31.2% | 0.00% | 0.0% |
| Q2 2020 | $221,000 | – | 16,328 | – | 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% |