SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 96 filers reported holding SPERO THERAPEUTICS INC in Q1 2021. The put-call ratio across all filers is 1.92 and the average weighting 0.2%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,353,303 | $1,962,289 | 10.74% |
| Anson Funds Management LP | 3,444,862 | $4,995,050 | 0.83% |
| OUP Management Co., LLC | 249,070 | $361,152 | 0.62% |
| Atlas Venture Life Science Advisors, LLC | 1,013,438 | $1,469,485 | 0.18% |
| Murchinson Ltd. | 762,700 | $1,105,915 | 0.14% |
| AWM Investment Company, Inc. | 383,400 | $555,930 | 0.08% |
| Alphabet Inc. | 889,979 | $1,290,469 | 0.07% |
| Novo Holdings A/S | 468,902 | $679,908 | 0.05% |
| DAFNA Capital Management LLC | 125,000 | $181,250 | 0.05% |
| XTX Topco Ltd | 106,384 | $154,257 | 0.03% |