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 | $144,830 | -73.3% | 119,694 | -68.0% | 0.00% | – |
Q2 2023 | $542,082 | +75504.2% | 373,850 | -24.4% | 0.00% | – |
Q1 2023 | $717 | -52.7% | 494,541 | -43.6% | 0.00% | -100.0% |
Q4 2022 | $1,516 | -99.9% | 876,398 | +27.3% | 0.00% | 0.0% |
Q3 2022 | $1,377,000 | +491.0% | 688,396 | +118.8% | 0.00% | – |
Q2 2022 | $233,000 | -56.3% | 314,643 | +413.6% | 0.00% | – |
Q1 2022 | $533,000 | +186.6% | 61,261 | +384.9% | 0.00% | – |
Q1 2021 | $186,000 | -83.5% | 12,635 | -78.2% | 0.00% | -100.0% |
Q4 2020 | $1,126,000 | -22.7% | 58,062 | -55.5% | 0.00% | -50.0% |
Q3 2020 | $1,457,000 | +199.2% | 130,574 | +262.8% | 0.00% | +100.0% |
Q2 2020 | $487,000 | +327.2% | 35,993 | +156.1% | 0.00% | – |
Q1 2020 | $114,000 | -6.6% | 14,055 | +10.8% | 0.00% | – |
Q4 2019 | $122,000 | -25.2% | 12,682 | +11.1% | 0.00% | – |
Q1 2018 | $163,000 | – | 11,415 | – | 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% |