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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $107,546 | -16.4% | 88,881 | +0.2% | 0.00% | – |
| Q2 2023 | $128,680 | +2.9% | 88,745 | +2.9% | 0.00% | – |
| Q1 2023 | $125,071 | +3.9% | 86,256 | +24.0% | 0.00% | – |
| Q4 2022 | $120,380 | -14.0% | 69,584 | -0.5% | 0.00% | – |
| Q3 2022 | $140,000 | +169.2% | 69,963 | -0.0% | 0.00% | – |
| Q2 2022 | $52,000 | -97.5% | 69,968 | -70.7% | 0.00% | – |
| Q1 2022 | $2,074,000 | -48.8% | 238,452 | -5.8% | 0.00% | -100.0% |
| Q4 2021 | $4,054,000 | -14.6% | 253,200 | -1.8% | 0.00% | 0.0% |
| Q3 2021 | $4,748,000 | +30.4% | 257,939 | -1.1% | 0.00% | 0.0% |
| Q2 2021 | $3,642,000 | +3.3% | 260,886 | +8.9% | 0.00% | 0.0% |
| Q1 2021 | $3,527,000 | -31.6% | 239,578 | -9.9% | 0.00% | 0.0% |
| Q4 2020 | $5,157,000 | +118.9% | 265,973 | +26.0% | 0.00% | 0.0% |
| Q3 2020 | $2,356,000 | -17.0% | 211,077 | +0.6% | 0.00% | 0.0% |
| Q2 2020 | $2,840,000 | +115.2% | 209,917 | +28.6% | 0.00% | – |
| Q1 2020 | $1,320,000 | +1.0% | 163,274 | +20.1% | 0.00% | – |
| Q4 2019 | $1,307,000 | +2.7% | 135,997 | +13.3% | 0.00% | – |
| Q3 2019 | $1,273,000 | +18.0% | 120,084 | +28.1% | 0.00% | – |
| Q2 2019 | $1,079,000 | -4.6% | 93,750 | +6.1% | 0.00% | – |
| Q1 2019 | $1,131,000 | +90.1% | 88,334 | -8.8% | 0.00% | – |
| Q4 2018 | $595,000 | -40.9% | 96,833 | +1.1% | 0.00% | – |
| Q3 2018 | $1,007,000 | +3.0% | 95,795 | +43.7% | 0.00% | – |
| Q2 2018 | $978,000 | +3.5% | 66,650 | +0.4% | 0.00% | – |
| Q1 2018 | $945,000 | +23.5% | 66,359 | +1.9% | 0.00% | – |
| Q4 2017 | $765,000 | – | 65,125 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,376,968 | $17,639,000 | 16.57% |
| Aquilo Capital Management, LLC | 1,054,356 | $13,506,000 | 5.98% |
| VHCP Management II, LLC | 474,015 | $6,072,000 | 1.78% |
| AWM Investment Company, Inc. | 562,296 | $7,203,000 | 1.42% |
| Alphabet Inc. | 1,112,473 | $14,251,000 | 0.74% |
| BVF INC/IL | 460,706 | $5,902,000 | 0.66% |
| DAFNA Capital Management LLC | 70,000 | $897,000 | 0.39% |
| Artal Group S.A. | 600,000 | $7,686,000 | 0.31% |
| Rock Springs Capital Management LP | 525,000 | $6,725,000 | 0.26% |
| Orbimed Advisors | 507,471 | $6,501,000 | 0.10% |