BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 247 filers reported holding BLUEBIRD BIO INC in Q2 2017. The put-call ratio across all filers is 0.48 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $930,000 | +44.2% | 10,600 | +158.5% | 0.02% | +30.8% |
| Q1 2019 | $645,000 | -95.8% | 4,100 | -97.6% | 0.01% | -91.9% |
| Q1 2017 | $15,304,000 | +122.5% | 168,362 | +124.5% | 0.16% | +36.8% |
| Q4 2014 | $6,879,000 | +47.5% | 75,000 | -42.3% | 0.12% | +37.6% |
| Q3 2014 | $4,664,000 | -56.0% | 130,000 | -52.7% | 0.08% | -36.1% |
| Q2 2014 | $10,607,000 | +405.6% | 275,000 | +175.0% | 0.13% | +392.6% |
| Q4 2013 | $2,098,000 | -61.1% | 100,000 | -50.0% | 0.03% | -70.7% |
| Q3 2013 | $5,392,000 | – | 200,000 | – | 0.09% | – |
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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% |