BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 282 filers reported holding BLUEBIRD BIO INC in Q4 2019. The put-call ratio across all filers is 0.80 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2021 | $513,000 | -41.8% | 26,730 | -9.8% | 0.00% | -66.7% |
Q2 2021 | $882,000 | +3.8% | 29,630 | 0.0% | 0.00% | 0.0% |
Q1 2021 | $850,000 | -27.6% | 29,630 | +10.8% | 0.00% | -25.0% |
Q4 2020 | $1,174,000 | -23.3% | 26,730 | -4.6% | 0.00% | -42.9% |
Q3 2020 | $1,531,000 | +1344.3% | 28,030 | +2228.1% | 0.01% | +600.0% |
Q4 2019 | $106,000 | – | 1,204 | – | 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% |