SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 62 filers reported holding SPERO THERAPEUTICS INC in Q2 2019. The put-call ratio across all filers is - and the average weighting 0.4%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $327 | +30.8% | 272,024 | +56.8% | 0.00% | 0.0% |
Q2 2023 | $250 | -99.8% | 173,539 | +183.8% | 0.00% | 0.0% |
Q3 2022 | $121,000 | +72.9% | 61,152 | -35.6% | 0.00% | – |
Q2 2022 | $70,000 | +180.0% | 94,977 | +4209.3% | 0.00% | – |
Q2 2019 | $25,000 | -55.4% | 2,204 | -42.6% | 0.00% | – |
Q2 2018 | $56,000 | – | 3,837 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
Aquilo Capital Management, LLC | 3,932,209 | $76,246,000 | 15.85% |
Atlas Venture Associates XI, LLC | 1,376,968 | $26,700,000 | 4.23% |
Atlas Venture Associates IX, LLC | 1,376,968 | $26,700,000 | 4.23% |
BVF INC/IL | 2,243,278 | $43,497,000 | 1.71% |
AWM Investment Company, Inc. | 372,755 | $7,228,000 | 0.92% |
Alphabet Inc. | 889,979 | $17,257,000 | 0.83% |
Rock Springs Capital Management LP | 1,235,000 | $23,947,000 | 0.51% |
Novo Holdings A/S | 576,702 | $11,182,000 | 0.48% |
Artal Group S.A. | 500,000 | $9,695,000 | 0.21% |
Granahan Investment Management | 420,320 | $8,150,000 | 0.18% |