SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 54 filers reported holding SPERO THERAPEUTICS INC in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $0 | – | 300 | +597.7% | 0.00% | – |
Q3 2022 | $0 | -100.0% | 43 | -100.0% | 0.00% | – |
Q1 2022 | $1,706,000 | -41.6% | 196,097 | +7.4% | 0.00% | -100.0% |
Q4 2021 | $2,923,000 | -11.9% | 182,595 | +1.4% | 0.00% | 0.0% |
Q3 2021 | $3,316,000 | +10953.3% | 180,102 | +8249.7% | 0.00% | – |
Q2 2021 | $30,000 | 0.0% | 2,157 | +4.7% | 0.00% | – |
Q1 2021 | $30,000 | +36.4% | 2,061 | +81.3% | 0.00% | – |
Q4 2020 | $22,000 | +214.3% | 1,137 | +81.3% | 0.00% | – |
Q3 2020 | $7,000 | 0.0% | 627 | +18.5% | 0.00% | – |
Q2 2020 | $7,000 | +40.0% | 529 | -8.5% | 0.00% | – |
Q1 2020 | $5,000 | -58.3% | 578 | -51.7% | 0.00% | – |
Q4 2019 | $12,000 | +300.0% | 1,196 | +298.7% | 0.00% | – |
Q3 2019 | $3,000 | +50.0% | 300 | +50.0% | 0.00% | – |
Q2 2019 | $2,000 | -33.3% | 200 | 0.0% | 0.00% | – |
Q1 2019 | $3,000 | – | 200 | +1150.0% | 0.00% | – |
Q4 2018 | $0 | -100.0% | 16 | -88.4% | 0.00% | – |
Q3 2018 | $1,000 | -50.0% | 138 | +31.4% | 0.00% | – |
Q2 2018 | $2,000 | – | 105 | +5150.0% | 0.00% | – |
Q1 2018 | $0 | -100.0% | 2 | -97.0% | 0.00% | – |
Q4 2017 | $1,000 | – | 66 | – | 0.00% | – |
Download |
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% |