SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 80 filers reported holding SPERO THERAPEUTICS INC in Q3 2020. The put-call ratio across all filers is 2.52 and the average weighting 0.3%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $20,598 | -83.2% | 17,023 | -79.9% | 0.00% | – |
Q2 2023 | $122,576 | +163.3% | 84,535 | +163.3% | 0.00% | – |
Q1 2023 | $46,545 | -32.4% | 32,100 | -19.3% | 0.00% | – |
Q4 2022 | $68,845 | -78.8% | 39,795 | -90.9% | 0.00% | -100.0% |
Q2 2022 | $324,000 | -52.8% | 437,280 | +454.2% | 0.00% | -50.0% |
Q1 2022 | $686,000 | -18.4% | 78,908 | +81.9% | 0.00% | 0.0% |
Q4 2020 | $841,000 | +120.7% | 43,373 | +54.1% | 0.00% | 0.0% |
Q2 2020 | $381,000 | +110.5% | 28,150 | +49.5% | 0.00% | +100.0% |
Q4 2019 | $181,000 | +7.1% | 18,828 | -31.4% | 0.00% | 0.0% |
Q4 2018 | $169,000 | – | 27,454 | – | 0.00% | – |
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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% |