SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 61 filers reported holding SPERO THERAPEUTICS INC in Q4 2022. The put-call ratio across all filers is 0.35 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $156,691 | +38.4% | 129,497 | +65.9% | 0.00% | – |
| Q2 2023 | $113,191 | +243.0% | 78,063 | +375.3% | 0.00% | – |
| Q3 2022 | $33,000 | -79.9% | 16,423 | +11.8% | 0.00% | -100.0% |
| Q3 2020 | $164,000 | -58.8% | 14,690 | -50.0% | 0.00% | -66.7% |
| Q2 2020 | $398,000 | +141.2% | 29,408 | +44.2% | 0.01% | +50.0% |
| Q1 2020 | $165,000 | -4.6% | 20,389 | +13.3% | 0.00% | +300.0% |
| Q4 2019 | $173,000 | +4.2% | 18,003 | +39.0% | 0.00% | -50.0% |
| Q1 2019 | $166,000 | – | 12,951 | – | 0.00% | – |
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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% |