BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 314 filers reported holding BLUEBIRD BIO INC in Q2 2018. The put-call ratio across all filers is 0.60 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2024 | $25,600 | +42.7% | 20,000 | +53.8% | 0.00% | – |
| Q4 2023 | $17,940 | +176.6% | 13,000 | +537.3% | 0.00% | – |
| Q1 2023 | $6,487 | -63.1% | 2,040 | -19.7% | 0.00% | -100.0% |
| Q4 2022 | $17,577 | -20.1% | 2,540 | +268.1% | 0.00% | 0.0% |
| Q2 2021 | $22,000 | +1000.0% | 690 | +1625.0% | 0.00% | – |
| Q4 2020 | $2,000 | 0.0% | 40 | -24.5% | 0.00% | – |
| Q3 2020 | $2,000 | 0.0% | 53 | +32.5% | 0.00% | – |
| Q1 2020 | $2,000 | -80.0% | 40 | -61.5% | 0.00% | -100.0% |
| Q4 2019 | $10,000 | +100.0% | 104 | +160.0% | 0.00% | – |
| Q3 2019 | $5,000 | 0.0% | 40 | 0.0% | 0.00% | – |
| Q2 2019 | $5,000 | +25.0% | 40 | 0.0% | 0.00% | – |
| Q4 2018 | $4,000 | -33.3% | 40 | 0.0% | 0.00% | – |
| Q3 2018 | $6,000 | -14.3% | 40 | 0.0% | 0.00% | -100.0% |
| Q2 2018 | $7,000 | -63.2% | 40 | -63.6% | 0.00% | -50.0% |
| Q1 2018 | $19,000 | +171.4% | 110 | +175.0% | 0.00% | +100.0% |
| Q4 2017 | $7,000 | – | 40 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Casdin Capital, LLC | 82,500 | $5,090,000 | 4.20% |
| RTW INVESTMENTS, LP | 122,576 | $7,563,000 | 2.85% |
| Eventide Asset Management | 587,677 | $36,260,000 | 2.36% |
| First Light Asset Management, LLC | 71,246 | $4,396,000 | 1.93% |
| ARK Investment Management | 75,645 | $4,667,000 | 1.70% |
| Taylor Wealth Management Partners | 39,118 | $2,414,000 | 1.12% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 302,027 | $18,635,000 | 0.77% |
| ARMISTICE CAPITAL, LLC | 40,000 | $2,468,000 | 0.58% |
| Artal Group S.A. | 422,536 | $26,070,000 | 0.58% |
| TURNER INVESTMENTS LLC | 21,020 | $1,297,000 | 0.52% |