SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 101 filers reported holding SPERO THERAPEUTICS INC in Q1 2022. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $0 | -100.0% | 223 | -98.7% | 0.00% | – |
| Q1 2022 | $149,000 | -82.7% | 17,123 | -68.1% | 0.00% | -100.0% |
| Q4 2021 | $860,000 | -34.4% | 53,728 | -24.6% | 0.00% | 0.0% |
| Q3 2021 | $1,311,000 | +88.4% | 71,220 | +42.8% | 0.00% | 0.0% |
| Q2 2021 | $696,000 | -19.3% | 49,891 | -14.8% | 0.00% | 0.0% |
| Q1 2021 | $862,000 | -24.1% | 58,529 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $1,135,000 | +124.3% | 58,529 | +29.1% | 0.00% | 0.0% |
| Q3 2020 | $506,000 | +39.8% | 45,329 | +69.6% | 0.00% | – |
| Q2 2020 | $362,000 | +143.0% | 26,729 | +45.0% | 0.00% | – |
| Q1 2020 | $149,000 | -6.3% | 18,429 | +11.4% | 0.00% | – |
| Q4 2019 | $159,000 | -9.1% | 16,550 | 0.0% | 0.00% | – |
| Q3 2019 | $175,000 | +8.7% | 16,550 | +18.0% | 0.00% | – |
| Q2 2019 | $161,000 | -14.4% | 14,028 | -4.2% | 0.00% | – |
| Q1 2019 | $188,000 | +93.8% | 14,650 | -6.7% | 0.00% | – |
| Q4 2018 | $97,000 | -42.9% | 15,700 | -2.8% | 0.00% | – |
| Q3 2018 | $170,000 | -28.3% | 16,150 | 0.0% | 0.00% | – |
| Q2 2018 | $237,000 | – | 16,150 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,376,968 | $1,996,604 | 9.37% |
| Anson Funds Management LP | 6,689,724 | $9,700,100 | 0.80% |
| OUP Management Co., LLC | 249,070 | $361,152 | 0.72% |
| AWM Investment Company, Inc. | 1,300,400 | $1,885,580 | 0.26% |
| Atlas Venture Life Science Advisors, LLC | 1,031,160 | $1,495,182 | 0.20% |
| Murchinson Ltd. | 805,621 | $1,105,915 | 0.16% |
| Alphabet Inc. | 889,979 | $1,290,470 | 0.07% |
| DAFNA Capital Management LLC | 125,000 | $181,250 | 0.05% |
| Novo Holdings A/S | 468,902 | $679,908 | 0.04% |
| XTX Topco Ltd | 119,861 | $173,798 | 0.04% |