SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 81 filers reported holding SPERO THERAPEUTICS INC in Q2 2020. The put-call ratio across all filers is 0.33 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $113,000 | -17.5% | 10,090 | 0.0% | 0.01% | -42.1% |
| Q2 2020 | $137,000 | -16.0% | 10,090 | -50.0% | 0.02% | -17.4% |
| Q1 2020 | $163,000 | -3.0% | 20,175 | +15.2% | 0.02% | +15.0% |
| Q4 2019 | $168,000 | -14.3% | 17,515 | -5.4% | 0.02% | -25.9% |
| Q3 2019 | $196,000 | -8.8% | 18,515 | -1.1% | 0.03% | -12.9% |
| Q2 2019 | $215,000 | -10.4% | 18,715 | 0.0% | 0.03% | -22.5% |
| Q1 2019 | $240,000 | +108.7% | 18,715 | 0.0% | 0.04% | +81.8% |
| Q4 2018 | $115,000 | – | 18,715 | – | 0.02% | – |
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% |