SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 80 filers reported holding SPERO THERAPEUTICS INC in Q3 2020. The put-call ratio across all filers is 2.52 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $561,006 | -17.3% | 463,641 | -0.9% | 0.00% | – |
| Q2 2023 | $678,543 | -86.7% | 467,960 | -20.2% | 0.00% | -100.0% |
| Q1 2022 | $5,104,000 | -12.3% | 586,642 | +61.4% | 0.00% | 0.0% |
| Q4 2021 | $5,819,000 | -16.2% | 363,534 | -3.6% | 0.00% | 0.0% |
| Q3 2021 | $6,941,000 | +13.3% | 377,095 | -14.1% | 0.00% | 0.0% |
| Q2 2021 | $6,126,000 | -4.3% | 438,837 | +0.9% | 0.00% | 0.0% |
| Q1 2021 | $6,401,000 | +24.4% | 434,788 | +63.8% | 0.00% | 0.0% |
| Q4 2020 | $5,147,000 | +1674.8% | 265,441 | +1137.3% | 0.00% | – |
| Q2 2020 | $290,000 | – | 21,454 | – | 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% |