SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 92 filers reported holding SPERO THERAPEUTICS INC in Q4 2020. The put-call ratio across all filers is 1.32 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $34,564 | -16.6% | 28,565 | 0.0% | 0.00% | – |
| Q2 2023 | $41,419 | 0.0% | 28,565 | 0.0% | 0.00% | – |
| Q1 2023 | $41,419 | -16.2% | 28,565 | 0.0% | 0.00% | – |
| Q4 2022 | $49,417 | -91.3% | 28,565 | -56.4% | 0.00% | – |
| Q1 2022 | $571,000 | -45.6% | 65,547 | 0.0% | 0.00% | – |
| Q4 2021 | $1,050,000 | -10.3% | 65,547 | +3.1% | 0.00% | – |
| Q3 2021 | $1,171,000 | +38.6% | 63,586 | +5.1% | 0.00% | – |
| Q2 2021 | $845,000 | +7.5% | 60,496 | +13.4% | 0.00% | – |
| Q1 2021 | $786,000 | -21.9% | 53,358 | +2.9% | 0.00% | – |
| Q4 2020 | $1,006,000 | +154.0% | 51,831 | +46.2% | 0.00% | – |
| Q3 2020 | $396,000 | -17.5% | 35,454 | 0.0% | 0.00% | – |
| Q2 2020 | $480,000 | +89.0% | 35,454 | +13.0% | 0.00% | – |
| Q1 2020 | $254,000 | -3.1% | 31,364 | +15.2% | 0.00% | – |
| Q4 2019 | $262,000 | -9.3% | 27,226 | 0.0% | 0.00% | – |
| Q3 2019 | $289,000 | -0.3% | 27,226 | +8.4% | 0.00% | – |
| Q2 2019 | $290,000 | +17.4% | 25,118 | +30.7% | 0.00% | – |
| Q1 2019 | $247,000 | +174.4% | 19,223 | +32.3% | 0.00% | – |
| Q4 2018 | $90,000 | -41.2% | 14,527 | 0.0% | 0.00% | – |
| Q3 2018 | $153,000 | – | 14,527 | – | 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% |