SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103.
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% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,376,968 | $14,596,000 | 24.02% |
| Aquilo Capital Management, LLC | 1,154,356 | $12,236,000 | 8.62% |
| VHCP Management II, LLC | 474,015 | $5,025,000 | 1.92% |
| AWM Investment Company, Inc. | 598,315 | $6,342,000 | 1.35% |
| BVF INC/IL | 939,704 | $9,961,000 | 1.05% |
| Novo Holdings A/S | 465,983 | $4,939,000 | 0.85% |
| Alphabet Inc. | 1,112,473 | $11,792,000 | 0.35% |
| Artal Group S.A. | 540,000 | $5,724,000 | 0.23% |
| Rock Springs Capital Management LP | 525,000 | $5,565,000 | 0.22% |
| DAFNA Capital Management LLC | 39,395 | $418,000 | 0.16% |