BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 303 filers reported holding BLUEBIRD BIO INC in Q4 2017. The put-call ratio across all filers is 0.85 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $28 | -22.2% | 28,497 | 0.0% | 0.00% | – |
| Q1 2024 | $36 | +89.5% | 28,497 | +102.1% | 0.00% | – |
| Q4 2023 | $19 | -80.0% | 14,097 | +2.5% | 0.00% | – |
| Q4 2022 | $95 | -100.0% | 13,747 | +285.6% | 0.00% | -100.0% |
| Q4 2019 | $312,000 | -17.9% | 3,565 | -14.1% | 0.00% | -50.0% |
| Q3 2019 | $380,000 | -21.2% | 4,148 | +9.4% | 0.00% | 0.0% |
| Q2 2019 | $482,000 | -13.9% | 3,793 | +6.5% | 0.00% | -33.3% |
| Q1 2019 | $560,000 | +45.5% | 3,563 | -8.3% | 0.00% | +50.0% |
| Q4 2018 | $385,000 | +7.5% | 3,886 | +58.2% | 0.00% | 0.0% |
| Q3 2018 | $358,000 | +2.6% | 2,456 | +10.3% | 0.00% | 0.0% |
| Q2 2018 | $349,000 | +5.8% | 2,226 | +15.0% | 0.00% | 0.0% |
| Q1 2018 | $330,000 | +19.1% | 1,936 | +24.7% | 0.00% | 0.0% |
| Q4 2017 | $277,000 | – | 1,553 | – | 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% |