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 | ||||
---|---|---|---|---|---|---|
Q1 2020 | $910,000 | -43.3% | 19,800 | +8.2% | 0.02% | -28.0% |
Q4 2019 | $1,606,000 | -30.6% | 18,300 | +0.5% | 0.02% | -37.5% |
Q2 2019 | $2,315,000 | -36.3% | 18,200 | -21.2% | 0.04% | -80.0% |
Q1 2019 | $3,634,000 | +183.9% | 23,100 | +79.1% | 0.20% | +138.1% |
Q4 2018 | $1,280,000 | -23.1% | 12,900 | +13.2% | 0.08% | -20.8% |
Q3 2018 | $1,664,000 | -17.8% | 11,400 | -11.6% | 0.11% | -38.7% |
Q2 2018 | $2,025,000 | -10.8% | 12,900 | -3.0% | 0.17% | -23.1% |
Q1 2018 | $2,271,000 | -33.2% | 13,300 | -30.4% | 0.22% | -36.6% |
Q4 2017 | $3,402,000 | -1.3% | 19,100 | -23.9% | 0.36% | -1.7% |
Q3 2017 | $3,447,000 | +48.4% | 25,100 | +13.6% | 0.36% | +31.3% |
Q2 2017 | $2,322,000 | -11.9% | 22,100 | -23.8% | 0.28% | -21.7% |
Q1 2017 | $2,636,000 | +47.3% | 29,000 | 0.0% | 0.35% | -4.1% |
Q4 2016 | $1,789,000 | -9.0% | 29,000 | 0.0% | 0.37% | +3.1% |
Q3 2016 | $1,966,000 | +56.7% | 29,000 | 0.0% | 0.36% | +50.4% |
Q2 2016 | $1,255,000 | +1.8% | 29,000 | 0.0% | 0.24% | +5.4% |
Q1 2016 | $1,233,000 | – | 29,000 | – | 0.22% | – |
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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% |