SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103. A total of 70 filers reported holding SPERO THERAPEUTICS INC in Q3 2022. The put-call ratio across all filers is 11.73 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $183 | -16.4% | 151 | 0.0% | 0.00% | – |
Q2 2023 | $219 | 0.0% | 151 | 0.0% | 0.00% | – |
Q1 2023 | $219 | -16.1% | 151 | 0.0% | 0.00% | – |
Q4 2022 | $261 | – | 151 | 0.0% | 0.00% | – |
Q3 2022 | $0 | – | 151 | 0.0% | 0.00% | – |
Q2 2022 | $0 | -100.0% | 151 | -86.9% | 0.00% | – |
Q1 2022 | $10,000 | -44.4% | 1,151 | 0.0% | 0.00% | – |
Q4 2021 | $18,000 | 0.0% | 1,151 | +15.1% | 0.00% | – |
Q3 2021 | $18,000 | -57.1% | 1,000 | -66.7% | 0.00% | – |
Q2 2021 | $42,000 | -4.5% | 3,000 | 0.0% | 0.00% | – |
Q1 2021 | $44,000 | -24.1% | 3,000 | 0.0% | 0.00% | – |
Q4 2020 | $58,000 | +75.8% | 3,000 | 0.0% | 0.00% | – |
Q3 2020 | $33,000 | +135.7% | 3,000 | +200.0% | 0.00% | – |
Q2 2020 | $14,000 | +250.0% | 1,000 | +100.0% | 0.00% | – |
Q1 2020 | $4,000 | -20.0% | 500 | 0.0% | 0.00% | – |
Q4 2019 | $5,000 | 0.0% | 500 | 0.0% | 0.00% | – |
Q3 2019 | $5,000 | – | 500 | – | 0.00% | – |
Download |
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
Atlas Venture Associates IX, LLC | 1,376,968 | $15,849,000 | 16.95% |
Aquilo Capital Management, LLC | 1,154,356 | $13,287,000 | 4.61% |
VHCP Management II, LLC | 474,015 | $5,456,000 | 1.72% |
AWM Investment Company, Inc. | 598,315 | $6,887,000 | 1.32% |
BVF INC/IL | 939,704 | $10,816,000 | 1.18% |
Novo Holdings A/S | 465,983 | $5,363,000 | 0.75% |
DAFNA Capital Management LLC | 70,000 | $806,000 | 0.30% |
Artal Group S.A. | 540,000 | $6,215,000 | 0.25% |
Alphabet Inc. | 1,112,473 | $12,805,000 | 0.24% |
Rock Springs Capital Management LP | 525,000 | $6,043,000 | 0.22% |