SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 53 filers reported holding SPERO THERAPEUTICS INC in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $623 | -18.8% | 515 | -2.6% | 0.00% | – |
| Q2 2023 | $767 | +3.5% | 529 | +3.5% | 0.00% | – |
| Q1 2023 | $741 | +5.0% | 511 | +25.2% | 0.00% | – |
| Q4 2022 | $706 | – | 408 | +1.2% | 0.00% | – |
| Q3 2022 | $0 | -100.0% | 403 | -54.8% | 0.00% | – |
| Q2 2022 | $1,000 | -99.2% | 891 | -93.8% | 0.00% | – |
| Q1 2022 | $124,000 | -65.8% | 14,283 | -37.1% | 0.00% | – |
| Q4 2021 | $363,000 | +152.1% | 22,694 | +192.2% | 0.00% | – |
| Q3 2021 | $144,000 | -74.1% | 7,766 | -80.5% | 0.00% | – |
| Q2 2021 | $556,000 | +109.8% | 39,847 | +122.4% | 0.00% | – |
| Q1 2021 | $265,000 | -67.3% | 17,920 | -57.1% | 0.00% | – |
| Q4 2020 | $811,000 | +117.4% | 41,799 | +25.2% | 0.00% | – |
| Q3 2020 | $373,000 | -25.8% | 33,375 | -10.2% | 0.00% | – |
| Q2 2020 | $503,000 | +131.8% | 37,186 | +38.8% | 0.00% | – |
| Q1 2020 | $217,000 | +14.8% | 26,796 | +36.5% | 0.00% | – |
| Q4 2019 | $189,000 | +3.3% | 19,625 | +13.6% | 0.00% | – |
| Q3 2019 | $183,000 | +16.6% | 17,274 | +26.5% | 0.00% | – |
| Q2 2019 | $157,000 | +157.4% | 13,660 | +187.9% | 0.00% | – |
| Q1 2019 | $61,000 | -30.7% | 4,745 | -66.7% | 0.00% | – |
| Q4 2018 | $88,000 | +252.0% | 14,240 | +510.1% | 0.00% | – |
| Q3 2018 | $25,000 | +108.3% | 2,334 | +185.7% | 0.00% | – |
| Q2 2018 | $12,000 | -20.0% | 817 | -22.4% | 0.00% | – |
| Q1 2018 | $15,000 | +36.4% | 1,053 | +6.4% | 0.00% | – |
| Q4 2017 | $11,000 | – | 990 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,353,303 | $1,637,497 | 13.93% |
| Anson Funds Management LP | 4,159,572 | $5,033,082 | 1.01% |
| OUP Management Co., LLC | 249,070 | $301,375 | 0.68% |
| Atlas Venture Life Science Advisors, LLC | 1,013,438 | $1,226,260 | 0.19% |
| Murchinson Ltd. | 862,700 | $1,043,867 | 0.13% |
| Alphabet Inc. | 889,979 | $1,076,874 | 0.07% |
| AWM Investment Company, Inc. | 333,400 | $403,414 | 0.06% |
| DAFNA Capital Management LLC | 125,000 | $151,250 | 0.05% |
| Novo Holdings A/S | 468,902 | $567,371 | 0.04% |
| XTX Topco Ltd | 58,368 | $70,625 | 0.01% |