BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 272 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is 1.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $2,328,774 | -38.7% | 732,319 | +33.4% | 0.01% | -50.0% |
| Q4 2022 | $3,797,558 | +126.3% | 548,780 | +35.4% | 0.02% | +66.7% |
| Q2 2022 | $1,678,000 | +165.5% | 405,319 | +211.1% | 0.01% | +140.0% |
| Q1 2022 | $632,000 | -78.3% | 130,304 | +93.2% | 0.01% | -88.1% |
| Q4 2020 | $2,919,000 | +164.4% | 67,455 | +229.7% | 0.04% | +162.5% |
| Q3 2020 | $1,104,000 | -9.2% | 20,457 | +2.7% | 0.02% | -11.1% |
| Q2 2020 | $1,216,000 | +38.5% | 19,914 | +4.3% | 0.02% | -50.0% |
| Q1 2020 | $878,000 | +322.1% | 19,097 | +706.5% | 0.04% | +414.3% |
| Q4 2019 | $208,000 | – | 2,368 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Monashee Investment Management LLC | 125,000 | $13,131,000 | 5.55% |
| Cormorant Asset Management, LP | 275,000 | $28,889,000 | 4.79% |
| Eventide Asset Management | 569,700 | $59,847,000 | 3.73% |
| Crosspoint Capital Strategies, LLC | 28,937 | $3,040,000 | 2.66% |
| Casdin Capital, LLC | 65,000 | $6,828,000 | 2.53% |
| ARK Investment Management | 119,683 | $12,573,000 | 2.45% |
| RTW INVESTMENTS, LP | 104,383 | $10,965,000 | 2.31% |
| Taylor Wealth Management Partners | 38,368 | $4,031,000 | 1.82% |
| First Light Asset Management, LLC | 33,780 | $3,549,000 | 1.19% |
| Atika Capital Management LLC | 25,000 | $2,627,000 | 0.92% |