BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 194 filers reported holding BLUEBIRD BIO INC in Q3 2015. The put-call ratio across all filers is 1.12 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $279,870 | -35.4% | 284,363 | -16.0% | 0.00% | – |
| Q1 2024 | $433,508 | +3237.2% | 338,678 | +3498.0% | 0.00% | – |
| Q4 2023 | $12,990 | -95.9% | 9,413 | -90.9% | 0.00% | – |
| Q3 2023 | $315,121 | -76.7% | 103,658 | -74.8% | 0.00% | – |
| Q2 2023 | $1,350,733 | +941.5% | 410,557 | +906.7% | 0.00% | – |
| Q1 2023 | $129,690 | -33.2% | 40,783 | +45.3% | 0.00% | – |
| Q4 2022 | $194,272 | +313.3% | 28,074 | +280.8% | 0.00% | – |
| Q3 2022 | $47,000 | +88.0% | 7,373 | +23.9% | 0.00% | – |
| Q2 2022 | $25,000 | -80.6% | 5,953 | -77.5% | 0.00% | – |
| Q1 2022 | $129,000 | -76.7% | 26,483 | -52.3% | 0.00% | – |
| Q4 2021 | $554,000 | -47.8% | 55,485 | 0.0% | 0.00% | – |
| Q3 2021 | $1,061,000 | -21.4% | 55,485 | +31.4% | 0.00% | – |
| Q2 2021 | $1,350,000 | +6.3% | 42,216 | +0.2% | 0.00% | – |
| Q1 2021 | $1,270,000 | -22.1% | 42,119 | +11.8% | 0.00% | -100.0% |
| Q4 2020 | $1,630,000 | -41.4% | 37,676 | -27.0% | 0.00% | 0.0% |
| Q3 2020 | $2,783,000 | -11.8% | 51,578 | -0.2% | 0.00% | -50.0% |
| Q2 2020 | $3,156,000 | +72.0% | 51,690 | +29.5% | 0.00% | +100.0% |
| Q1 2020 | $1,835,000 | -47.8% | 39,928 | -0.4% | 0.00% | -50.0% |
| Q4 2019 | $3,517,000 | +9.6% | 40,074 | +14.6% | 0.00% | 0.0% |
| Q3 2019 | $3,209,000 | -15.0% | 34,954 | +17.7% | 0.00% | 0.0% |
| Q2 2019 | $3,776,000 | -17.5% | 29,685 | +2.0% | 0.00% | -33.3% |
| Q1 2019 | $4,579,000 | +73.7% | 29,100 | +9.5% | 0.00% | +50.0% |
| Q4 2018 | $2,636,000 | -24.7% | 26,564 | +10.8% | 0.00% | -33.3% |
| Q3 2018 | $3,501,000 | -2.1% | 23,983 | +5.3% | 0.00% | 0.0% |
| Q2 2018 | $3,575,000 | +1.3% | 22,782 | +10.2% | 0.00% | 0.0% |
| Q1 2018 | $3,530,000 | -10.8% | 20,676 | -6.9% | 0.00% | 0.0% |
| Q4 2017 | $3,959,000 | +43.3% | 22,202 | +10.6% | 0.00% | +50.0% |
| Q3 2017 | $2,762,000 | +72.5% | 20,076 | +32.4% | 0.00% | +100.0% |
| Q2 2017 | $1,601,000 | +25.9% | 15,164 | +8.7% | 0.00% | 0.0% |
| Q1 2017 | $1,272,000 | +51.6% | 13,944 | +2.6% | 0.00% | 0.0% |
| Q4 2016 | $839,000 | +55.9% | 13,587 | +68.7% | 0.00% | 0.0% |
| Q3 2016 | $538,000 | +52.8% | 8,053 | -3.1% | 0.00% | – |
| Q2 2016 | $352,000 | +186.2% | 8,314 | +187.2% | 0.00% | – |
| Q1 2016 | $123,000 | -12.8% | 2,895 | +31.6% | 0.00% | – |
| Q4 2015 | $141,000 | -25.0% | 2,200 | 0.0% | 0.00% | – |
| Q3 2015 | $188,000 | -25.7% | 2,200 | +45.1% | 0.00% | – |
| Q2 2015 | $253,000 | -53.3% | 1,516 | -65.7% | 0.00% | -100.0% |
| Q1 2015 | $542,000 | +96.4% | 4,421 | +50.3% | 0.00% | – |
| Q4 2014 | $276,000 | +157.9% | 2,941 | 0.0% | 0.00% | – |
| Q3 2014 | $107,000 | – | 2,941 | – | 0.00% | – |
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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% |