BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 6 filers reported holding BLUEBIRD BIO INC in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $16,732,000 | +5403.9% | 274,120 | +14103.1% | 0.25% | +6250.0% |
| Q1 2019 | $304,000 | -92.3% | 1,930 | -95.2% | 0.00% | -93.1% |
| Q4 2018 | $3,964,000 | -61.6% | 39,959 | -39.2% | 0.06% | -37.0% |
| Q2 2018 | $10,310,000 | +221.4% | 65,688 | +264.7% | 0.09% | +253.8% |
| Q4 2017 | $3,208,000 | -87.4% | 18,010 | -93.5% | 0.03% | -87.4% |
| Q1 2017 | $25,362,000 | +38.8% | 279,008 | -5.8% | 0.21% | +36.4% |
| Q4 2016 | $18,270,000 | +374.5% | 296,107 | +558.0% | 0.15% | +235.6% |
| Q3 2015 | $3,850,000 | +22.4% | 45,000 | -48.7% | 0.04% | -30.8% |
| Q3 2014 | $3,145,000 | +547.1% | 87,651 | +278.6% | 0.06% | +242.1% |
| Q4 2013 | $486,000 | -54.9% | 23,152 | -42.1% | 0.02% | -56.8% |
| Q3 2013 | $1,078,000 | +43.9% | 40,000 | +33.3% | 0.04% | +18.9% |
| Q2 2013 | $749,000 | – | 30,000 | – | 0.04% | – |
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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% |