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 | $5,660,000 | -40.7% | 64,500 | -14.0% | 0.47% | -64.3% |
| Q2 2019 | $9,540,000 | -27.6% | 75,000 | -10.5% | 1.30% | +8.5% |
| Q1 2019 | $13,184,000 | -4.2% | 83,796 | -39.6% | 1.20% | -22.5% |
| Q4 2018 | $13,769,000 | +20.3% | 138,796 | +77.0% | 1.55% | +18.1% |
| Q3 2018 | $11,446,000 | +0.6% | 78,396 | +8.2% | 1.31% | -16.2% |
| Q2 2018 | $11,376,000 | +556.8% | 72,483 | +81.2% | 1.57% | +248.4% |
| Q2 2016 | $1,732,000 | +35.8% | 40,000 | +33.3% | 0.45% | +63.0% |
| Q1 2016 | $1,275,000 | -33.5% | 30,000 | -43.8% | 0.28% | +16.5% |
| Q3 2014 | $1,916,000 | +46.7% | 53,405 | -7.0% | 0.24% | -20.5% |
| Q1 2014 | $1,306,000 | -32.6% | 57,435 | -37.9% | 0.30% | -44.8% |
| Q4 2013 | $1,939,000 | – | 92,435 | – | 0.54% | – |
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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% |