BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 251 filers reported holding BLUEBIRD BIO INC in Q1 2020. The put-call ratio across all filers is 1.33 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $278,000 | -13.4% | 3,173 | -9.3% | 0.01% | -28.6% |
| Q3 2019 | $321,000 | -18.3% | 3,500 | +40.0% | 0.01% | -30.0% |
| Q1 2019 | $393,000 | +58.5% | 2,500 | 0.0% | 0.01% | 0.0% |
| Q4 2018 | $248,000 | -73.9% | 2,500 | -61.5% | 0.01% | -60.0% |
| Q3 2018 | $949,000 | +166.6% | 6,500 | +225.0% | 0.02% | +177.8% |
| Q4 2017 | $356,000 | +47.1% | 2,000 | 0.0% | 0.01% | -18.2% |
| Q1 2015 | $242,000 | -91.2% | 2,000 | -93.3% | 0.01% | -88.4% |
| Q4 2014 | $2,752,000 | -54.9% | 30,000 | -82.3% | 0.10% | -36.2% |
| Q3 2014 | $6,097,000 | +125.8% | 169,924 | +142.7% | 0.15% | +152.5% |
| Q2 2014 | $2,700,000 | -22.0% | 70,000 | -57.6% | 0.06% | -21.3% |
| Q4 2013 | $3,462,000 | -61.1% | 165,000 | -50.0% | 0.08% | -21.9% |
| Q3 2013 | $8,896,000 | – | 330,000 | – | 0.10% | – |
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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% |