SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 56 filers reported holding SPERO THERAPEUTICS INC in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.5%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2022 | $1,000,000 | +169.5% | 500,000 | 0.0% | 0.04% | +115.0% |
Q2 2022 | $371,000 | -91.5% | 500,000 | 0.0% | 0.02% | -89.0% |
Q1 2022 | $4,350,000 | -45.7% | 500,000 | 0.0% | 0.18% | -16.1% |
Q4 2021 | $8,005,000 | -13.0% | 500,000 | 0.0% | 0.22% | +5.3% |
Q3 2021 | $9,205,000 | +31.9% | 500,000 | 0.0% | 0.21% | +45.1% |
Q2 2021 | $6,980,000 | -5.2% | 500,000 | 0.0% | 0.14% | +9.2% |
Q1 2021 | $7,360,000 | -24.1% | 500,000 | 0.0% | 0.13% | -37.5% |
Q4 2020 | $9,695,000 | +44.8% | 500,000 | -16.7% | 0.21% | +27.6% |
Q3 2020 | $6,696,000 | -9.2% | 600,000 | +10.1% | 0.16% | -20.9% |
Q2 2020 | $7,374,000 | +58.4% | 545,040 | -5.4% | 0.21% | +4.6% |
Q1 2020 | $4,654,000 | -3.2% | 576,000 | +15.2% | 0.20% | +5.9% |
Q4 2019 | $4,808,000 | -16.0% | 500,000 | -7.4% | 0.19% | -18.8% |
Q3 2019 | $5,724,000 | -7.9% | 540,000 | 0.0% | 0.23% | -8.8% |
Q2 2019 | $6,215,000 | -19.1% | 540,000 | -10.0% | 0.25% | -20.1% |
Q1 2019 | $7,686,000 | +108.3% | 600,000 | 0.0% | 0.31% | +129.2% |
Q4 2018 | $3,690,000 | -41.5% | 600,000 | 0.0% | 0.14% | -16.5% |
Q3 2018 | $6,306,000 | +22.8% | 600,000 | +71.4% | 0.16% | +50.5% |
Q2 2018 | $5,135,000 | +2.9% | 350,000 | 0.0% | 0.11% | +75.8% |
Q1 2018 | $4,988,000 | +21.3% | 350,000 | 0.0% | 0.06% | 0.0% |
Q4 2017 | $4,113,000 | – | 350,000 | – | 0.06% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
Atlas Venture Associates IX, LLC | 1,376,968 | $13,247,000 | 23.08% |
Aquilo Capital Management, LLC | 1,154,356 | $11,099,000 | 4.17% |
VHCP Management II, LLC | 474,015 | $4,558,000 | 1.20% |
AWM Investment Company, Inc. | 474,344 | $4,561,000 | 0.89% |
Alphabet Inc. | 1,112,473 | $10,696,000 | 0.65% |
BVF INC/IL | 845,405 | $8,129,000 | 0.62% |
Novo Holdings A/S | 931,099 | $8,948,000 | 0.58% |
Artal Group S.A. | 500,000 | $4,808,000 | 0.19% |
Rock Springs Capital Management LP | 525,000 | $5,048,000 | 0.16% |
Granahan Investment Management | 148,867 | $1,431,000 | 0.07% |