SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 90 filers reported holding SPERO THERAPEUTICS INC in Q2 2021. The put-call ratio across all filers is 0.74 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $117 | -96.4% | 97 | -95.6% | 0.00% | – |
Q2 2023 | $3,258 | -33.0% | 2,189 | -29.9% | 0.00% | – |
Q1 2023 | $4,863 | -2.7% | 3,124 | +1.5% | 0.00% | – |
Q4 2022 | $5,000 | -90.0% | 3,077 | -87.6% | 0.00% | – |
Q3 2022 | $50,000 | +2400.0% | 24,817 | +787.9% | 0.00% | – |
Q2 2022 | $2,000 | -99.9% | 2,795 | +155.3% | 0.00% | -100.0% |
Q1 2022 | $3,472,000 | +20323.5% | 1,095 | -2.7% | 0.01% | – |
Q4 2021 | $17,000 | -63.0% | 1,125 | -55.8% | 0.00% | – |
Q3 2021 | $46,000 | -67.8% | 2,548 | -74.7% | 0.00% | – |
Q2 2021 | $143,000 | -77.0% | 10,063 | -76.2% | 0.00% | -100.0% |
Q1 2021 | $621,000 | +150.4% | 42,213 | +230.5% | 0.00% | 0.0% |
Q4 2020 | $248,000 | – | 12,771 | – | 0.00% | – |
Download |
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% |