BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 238 filers reported holding BLUEBIRD BIO INC in Q1 2021. The put-call ratio across all filers is 1.69 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $171,696 | +6.6% | 66,469 | +35.7% | 0.00% | 0.0% |
Q2 2023 | $161,124 | +281.7% | 48,974 | +269.0% | 0.00% | – |
Q1 2023 | $42,208 | -62.4% | 13,273 | -18.3% | 0.00% | -100.0% |
Q4 2022 | $112,374 | +20.8% | 16,239 | +10.6% | 0.00% | 0.0% |
Q3 2022 | $93,000 | +86.0% | 14,679 | +22.5% | 0.00% | – |
Q2 2022 | $50,000 | -18.0% | 11,979 | -4.5% | 0.00% | – |
Q1 2022 | $61,000 | -60.1% | 12,538 | -18.0% | 0.00% | -100.0% |
Q4 2021 | $153,000 | -56.2% | 15,298 | -16.2% | 0.00% | -66.7% |
Q3 2021 | $349,000 | -54.3% | 18,266 | -23.4% | 0.00% | -57.1% |
Q2 2021 | $763,000 | +26.1% | 23,850 | +18.9% | 0.01% | 0.0% |
Q1 2021 | $605,000 | +11.4% | 20,065 | +59.8% | 0.01% | 0.0% |
Q4 2020 | $543,000 | -31.7% | 12,555 | -14.9% | 0.01% | -46.2% |
Q3 2020 | $795,000 | +16.1% | 14,754 | +31.5% | 0.01% | +18.2% |
Q2 2020 | $685,000 | +112.7% | 11,218 | +48.0% | 0.01% | +57.1% |
Q1 2020 | $322,000 | -39.2% | 7,581 | +23.4% | 0.01% | -12.5% |
Q4 2019 | $530,000 | +17566.7% | 6,141 | +38281.2% | 0.01% | – |
Q2 2018 | $3,000 | – | 16 | – | 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% |