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 2019 | $18,024,000 | -19.2% | 141,700 | 0.0% | 0.49% | -18.5% |
| Q1 2019 | $22,294,000 | +58.6% | 141,700 | 0.0% | 0.60% | +47.5% |
| Q4 2018 | $14,057,000 | -32.1% | 141,700 | 0.0% | 0.41% | -27.5% |
| Q3 2018 | $20,688,000 | -7.0% | 141,700 | 0.0% | 0.56% | -11.1% |
| Q2 2018 | $22,240,000 | -8.1% | 141,700 | 0.0% | 0.63% | -17.9% |
| Q1 2018 | $24,195,000 | +47.7% | 141,700 | +54.0% | 0.77% | +21.2% |
| Q4 2017 | $16,385,000 | – | 92,000 | – | 0.63% | – |
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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% |