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 | $499,512 | -11.9% | 412,707 | +5.6% | 0.00% | – |
| Q2 2023 | $566,667 | +15.7% | 390,805 | +15.7% | 0.00% | – |
| Q1 2023 | $489,891 | +109987.9% | 337,856 | +31.3% | 0.00% | – |
| Q4 2022 | $445 | -99.9% | 257,284 | -11.4% | 0.00% | – |
| Q3 2022 | $580,000 | +169.8% | 290,258 | 0.0% | 0.00% | – |
| Q2 2022 | $215,000 | -94.8% | 290,258 | -38.4% | 0.00% | -100.0% |
| Q1 2022 | $4,099,000 | -44.0% | 471,189 | +3.1% | 0.00% | 0.0% |
| Q4 2021 | $7,319,000 | -10.6% | 457,184 | +2.8% | 0.00% | 0.0% |
| Q3 2021 | $8,190,000 | +41.8% | 444,914 | +7.5% | 0.00% | 0.0% |
| Q2 2021 | $5,776,000 | +7.9% | 413,761 | +13.8% | 0.00% | 0.0% |
| Q1 2021 | $5,352,000 | -22.9% | 363,611 | +1.5% | 0.00% | 0.0% |
| Q4 2020 | $6,944,000 | +212.1% | 358,148 | +79.6% | 0.00% | – |
| Q3 2020 | $2,225,000 | -16.4% | 199,429 | +1.4% | 0.00% | -100.0% |
| Q2 2020 | $2,661,000 | +112.2% | 196,700 | +26.7% | 0.00% | – |
| Q1 2020 | $1,254,000 | -45.4% | 155,224 | -35.0% | 0.00% | – |
| Q4 2019 | $2,296,000 | +85.6% | 238,904 | +104.6% | 0.00% | – |
| Q3 2019 | $1,237,000 | -6.3% | 116,782 | +1.8% | 0.00% | – |
| Q2 2019 | $1,320,000 | +9.3% | 114,717 | +21.6% | 0.00% | – |
| Q1 2019 | $1,208,000 | +7.1% | 94,341 | -48.6% | 0.00% | – |
| Q4 2018 | $1,128,000 | +22.1% | 183,684 | +108.8% | 0.00% | – |
| Q3 2018 | $924,000 | +17.9% | 87,966 | +64.5% | 0.00% | – |
| Q2 2018 | $784,000 | +170.3% | 53,490 | +162.3% | 0.00% | – |
| Q1 2018 | $290,000 | – | 20,396 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Aquilo Capital Management, LLC | 3,932,209 | $76,246,000 | 15.85% |
| Atlas Venture Associates XI, LLC | 1,376,968 | $26,700,000 | 4.23% |
| Atlas Venture Associates IX, LLC | 1,376,968 | $26,700,000 | 4.23% |
| BVF INC/IL | 2,243,278 | $43,497,000 | 1.71% |
| AWM Investment Company, Inc. | 372,755 | $7,228,000 | 0.92% |
| Alphabet Inc. | 889,979 | $17,257,000 | 0.83% |
| Rock Springs Capital Management LP | 1,235,000 | $23,947,000 | 0.51% |
| Novo Holdings A/S | 576,702 | $11,182,000 | 0.48% |
| Artal Group S.A. | 500,000 | $9,695,000 | 0.21% |
| Granahan Investment Management | 420,320 | $8,150,000 | 0.18% |