BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 273 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is 1.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $1,223,486 | +197.4% | 1,334,519 | +315.3% | 0.00% | +100.0% |
| Q1 2024 | $411,360 | +58.7% | 321,375 | +71.1% | 0.00% | – |
| Q4 2023 | $259,142 | +450.8% | 187,784 | +1113.3% | 0.00% | – |
| Q3 2023 | $47,050 | -81.6% | 15,477 | -80.1% | 0.00% | -100.0% |
| Q2 2023 | $255,278 | +1.1% | 77,592 | -2.7% | 0.00% | 0.0% |
| Q1 2023 | $252,425 | -5.0% | 79,755 | +103.0% | 0.00% | 0.0% |
| Q4 2022 | $265,831 | -23.8% | 39,295 | -29.9% | 0.00% | 0.0% |
| Q3 2022 | $349,000 | -64.8% | 56,046 | +5.2% | 0.00% | -50.0% |
| Q3 2021 | $992,000 | +49.2% | 53,264 | +142.7% | 0.00% | +100.0% |
| Q2 2021 | $665,000 | +129.3% | 21,949 | +124.6% | 0.00% | – |
| Q1 2021 | $290,000 | +33.0% | 9,771 | +93.1% | 0.00% | – |
| Q4 2020 | $218,000 | -73.7% | 5,059 | -63.2% | 0.00% | -100.0% |
| Q2 2020 | $828,000 | -52.1% | 13,738 | +15.9% | 0.00% | -50.0% |
| Q3 2018 | $1,730,000 | -70.9% | 11,852 | -68.7% | 0.00% | -66.7% |
| Q2 2018 | $5,938,000 | -49.6% | 37,836 | -45.2% | 0.01% | -53.8% |
| Q1 2018 | $11,793,000 | +7.8% | 69,070 | +12.4% | 0.01% | +18.2% |
| Q4 2017 | $10,940,000 | +50.7% | 61,427 | +16.2% | 0.01% | +22.2% |
| Q3 2017 | $7,259,000 | +176.2% | 52,856 | +111.3% | 0.01% | +200.0% |
| Q2 2017 | $2,628,000 | +55.0% | 25,016 | +34.2% | 0.00% | +50.0% |
| Q1 2017 | $1,695,000 | +5.9% | 18,642 | -50.5% | 0.00% | -33.3% |
| Q1 2016 | $1,600,000 | -81.4% | 37,653 | -71.9% | 0.00% | -80.0% |
| Q4 2015 | $8,616,000 | +76.9% | 134,169 | +135.7% | 0.02% | +50.0% |
| Q3 2015 | $4,871,000 | -46.6% | 56,935 | +5.1% | 0.01% | -44.4% |
| Q2 2015 | $9,124,000 | +29.4% | 54,186 | -7.2% | 0.02% | +12.5% |
| Q1 2015 | $7,053,000 | -27.2% | 58,400 | -44.7% | 0.02% | -20.0% |
| Q4 2014 | $9,684,000 | +974.8% | 105,579 | +320.6% | 0.02% | +900.0% |
| Q3 2014 | $901,000 | – | 25,100 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 1,964,000 | $59,215,000 | 1.36% |
| Birchview Capital, LP | 75,500 | $2,276,000 | 1.35% |
| Camber Capital Management LP | 1,000,000 | $30,150,000 | 1.04% |
| Sessa Capital IM, L.P. | 875,000 | $26,381,000 | 1.02% |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $16,226,000 | 0.92% |
| Tarsadia Capital, LLC | 100,000 | $3,015,000 | 0.81% |
| Bullseye Asset Management LLC | 67,872 | $2,046,000 | 0.76% |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 1,304,246 | $39,323,000 | 0.58% |
| MANGROVE PARTNERS IM, LLC | 175,178 | $5,282,000 | 0.53% |
| Parametrica Management Ltd | 37,712 | $1,080,000 | 0.52% |