SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 47 filers reported holding SPERO THERAPEUTICS INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $567,371 | -16.6% | 468,902 | 0.0% | 0.04% | -20.8% |
| Q2 2023 | $679,908 | 0.0% | 468,902 | 0.0% | 0.05% | +17.8% |
| Q1 2023 | $679,908 | -16.2% | 468,902 | 0.0% | 0.04% | -11.8% |
| Q4 2022 | $811,200 | -13.5% | 468,902 | 0.0% | 0.05% | +13.3% |
| Q3 2022 | $938,000 | +170.3% | 468,902 | 0.0% | 0.04% | +164.7% |
| Q2 2022 | $347,000 | -91.5% | 468,902 | 0.0% | 0.02% | -92.1% |
| Q1 2022 | $4,079,000 | -45.7% | 468,902 | 0.0% | 0.22% | -39.4% |
| Q4 2021 | $7,507,000 | -13.0% | 468,902 | 0.0% | 0.36% | -20.4% |
| Q3 2021 | $8,632,000 | +31.9% | 468,902 | 0.0% | 0.45% | +53.8% |
| Q2 2021 | $6,546,000 | -5.2% | 468,902 | 0.0% | 0.29% | +1.8% |
| Q1 2021 | $6,902,000 | -38.3% | 468,902 | -18.7% | 0.28% | -40.5% |
| Q4 2020 | $11,182,000 | +7.6% | 576,702 | -38.1% | 0.48% | -7.2% |
| Q3 2020 | $10,391,000 | -17.5% | 931,099 | 0.0% | 0.52% | -36.5% |
| Q2 2020 | $12,598,000 | +67.5% | 931,099 | 0.0% | 0.81% | +62.0% |
| Q1 2020 | $7,523,000 | -15.9% | 931,099 | 0.0% | 0.50% | -12.8% |
| Q4 2019 | $8,948,000 | +81.2% | 931,099 | +99.8% | 0.58% | -31.9% |
| Q3 2019 | $4,939,000 | -7.9% | 465,983 | 0.0% | 0.85% | +12.6% |
| Q2 2019 | $5,363,000 | – | 465,983 | – | 0.75% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,353,303 | $1,637,497 | 13.93% |
| Anson Funds Management LP | 4,159,572 | $5,033,082 | 1.01% |
| OUP Management Co., LLC | 249,070 | $301,375 | 0.68% |
| Atlas Venture Life Science Advisors, LLC | 1,013,438 | $1,226,260 | 0.19% |
| Murchinson Ltd. | 862,700 | $1,043,867 | 0.13% |
| Alphabet Inc. | 889,979 | $1,076,874 | 0.07% |
| AWM Investment Company, Inc. | 333,400 | $403,414 | 0.06% |
| DAFNA Capital Management LLC | 125,000 | $151,250 | 0.05% |
| Novo Holdings A/S | 468,902 | $567,371 | 0.04% |
| XTX Topco Ltd | 58,368 | $70,625 | 0.01% |