SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 80 filers reported holding SPERO THERAPEUTICS INC in Q2 2022. The put-call ratio across all filers is 0.90 and the average weighting 0.1%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,376,968 | $15,849,000 | 16.95% |
| Aquilo Capital Management, LLC | 1,154,356 | $13,287,000 | 4.61% |
| VHCP Management II, LLC | 474,015 | $5,456,000 | 1.72% |
| AWM Investment Company, Inc. | 598,315 | $6,887,000 | 1.32% |
| BVF INC/IL | 939,704 | $10,816,000 | 1.18% |
| Novo Holdings A/S | 465,983 | $5,363,000 | 0.75% |
| DAFNA Capital Management LLC | 70,000 | $806,000 | 0.30% |
| Artal Group S.A. | 540,000 | $6,215,000 | 0.25% |
| Alphabet Inc. | 1,112,473 | $12,805,000 | 0.24% |
| Rock Springs Capital Management LP | 525,000 | $6,043,000 | 0.22% |