BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 219 filers reported holding BLUEBIRD BIO INC in Q1 2017. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $236,000 | -33.9% | 2,381 | -2.5% | 0.00% | -40.0% |
| Q3 2018 | $357,000 | +8.5% | 2,442 | +16.4% | 0.01% | 0.0% |
| Q2 2018 | $329,000 | -8.1% | 2,098 | 0.0% | 0.01% | 0.0% |
| Q1 2018 | $358,000 | -7.0% | 2,098 | -3.0% | 0.01% | -16.7% |
| Q4 2017 | $385,000 | +13.2% | 2,162 | -12.6% | 0.01% | +20.0% |
| Q3 2017 | $340,000 | +53.8% | 2,474 | +17.8% | 0.01% | +66.7% |
| Q2 2017 | $221,000 | -0.9% | 2,100 | -14.6% | 0.00% | -25.0% |
| Q1 2017 | $223,000 | +12.1% | 2,458 | -23.8% | 0.00% | 0.0% |
| Q4 2016 | $199,000 | -63.3% | 3,225 | -59.7% | 0.00% | -60.0% |
| Q3 2016 | $542,000 | +95.7% | 8,000 | +25.0% | 0.01% | +100.0% |
| Q2 2016 | $277,000 | +30.7% | 6,400 | +28.0% | 0.01% | +25.0% |
| Q1 2016 | $212,000 | -34.0% | 5,000 | 0.0% | 0.00% | -33.3% |
| Q4 2015 | $321,000 | – | 5,000 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sessa Capital IM, L.P. | 1,834,965 | $35,066,000 | 1.72% |
| Birchview Capital, LP | 84,000 | $1,605,000 | 1.09% |
| ARMISTICE CAPITAL, LLC | 2,472,000 | $47,240,000 | 0.80% |
| EcoR1 Capital, LLC | 802,507 | $15,336,000 | 0.53% |
| Parametrica Management Ltd | 36,919 | $706,000 | 0.53% |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $7,239,000 | 0.45% |
| APPLETON GROUP, LLC | 19,495 | $373,000 | 0.32% |
| MANGROVE PARTNERS IM, LLC | 175,587 | $3,355,000 | 0.30% |
| Quinn Opportunity Partners LLC | 230,100 | $4,397,000 | 0.28% |
| PDT Partners, LLC | 171,700 | $3,281,000 | 0.24% |