BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 197 filers reported holding BLUEBIRD BIO INC in Q3 2021. The put-call ratio across all filers is 1.22 and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q4 2021 | $648,000 | -47.2% | 64,900 | +1.1% | 0.00% | 0.0% |
Q3 2021 | $1,227,000 | -53.7% | 64,200 | -22.6% | 0.00% | -50.0% |
Q2 2021 | $2,651,000 | +13155.0% | 82,900 | +53383.9% | 0.00% | – |
Q2 2019 | $20,000 | -80.4% | 155 | -76.2% | 0.00% | – |
Q1 2019 | $102,000 | -88.0% | 650 | -92.4% | 0.00% | -100.0% |
Q4 2018 | $847,000 | -31.0% | 8,537 | +1.6% | 0.00% | -50.0% |
Q3 2018 | $1,227,000 | +19.8% | 8,405 | +28.8% | 0.00% | +100.0% |
Q2 2018 | $1,024,000 | +34033.3% | 6,525 | +38282.4% | 0.00% | – |
Q1 2018 | $3,000 | -99.8% | 17 | -99.8% | 0.00% | -100.0% |
Q4 2017 | $1,331,000 | – | 7,476 | – | 0.00% | – |
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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% |