BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 283 filers reported holding BLUEBIRD BIO INC in Q2 2019. The put-call ratio across all filers is 1.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $351,000 | -16.6% | 4,001 | +49.4% | 0.02% | -23.3% |
| Q1 2019 | $421,000 | +357.6% | 2,678 | +187.3% | 0.03% | +328.6% |
| Q4 2018 | $92,000 | -70.6% | 932 | -56.6% | 0.01% | -65.0% |
| Q3 2018 | $313,000 | -9.3% | 2,146 | -2.3% | 0.02% | -9.1% |
| Q2 2018 | $345,000 | -14.6% | 2,197 | -7.2% | 0.02% | -8.3% |
| Q1 2018 | $404,000 | -75.5% | 2,368 | -74.5% | 0.02% | -71.1% |
| Q4 2017 | $1,652,000 | +465.8% | 9,272 | +337.4% | 0.08% | +591.7% |
| Q3 2017 | $292,000 | – | 2,120 | – | 0.01% | – |
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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% |