BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 238 filers reported holding BLUEBIRD BIO INC in Q1 2021. The put-call ratio across all filers is 1.69 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $623,000 | 0.0% | 14,406 | 0.0% | 0.14% | +0.7% |
| Q4 2020 | $623,000 | +126.5% | 14,406 | +182.1% | 0.14% | +140.7% |
| Q3 2020 | $275,000 | -84.0% | 5,106 | -59.2% | 0.06% | -71.9% |
| Q3 2017 | $1,718,000 | +1490.7% | 12,511 | +393.5% | 0.21% | +356.5% |
| Q1 2016 | $108,000 | -40.0% | 2,535 | +20.7% | 0.05% | -70.7% |
| Q3 2015 | $180,000 | +429.4% | 2,100 | +950.0% | 0.16% | +292.5% |
| Q2 2015 | $34,000 | -29.2% | 200 | -50.0% | 0.04% | -50.0% |
| Q1 2015 | $48,000 | -75.1% | 400 | -81.0% | 0.08% | -75.1% |
| Q4 2014 | $193,000 | – | 2,100 | – | 0.32% | – |
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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% |