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 | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $3,198,000 | +6.1% | 100,000 | 0.0% | 0.90% | +12.0% |
| Q1 2021 | $3,015,000 | -13.7% | 100,000 | +23.8% | 0.81% | +11.6% |
| Q4 2020 | $3,494,000 | -19.8% | 80,744 | 0.0% | 0.72% | +98.6% |
| Q3 2020 | $4,356,000 | -11.6% | 80,744 | 0.0% | 0.36% | -58.3% |
| Q2 2020 | $4,929,000 | +79.5% | 80,744 | +35.1% | 0.87% | +227.8% |
| Q1 2020 | $2,746,000 | – | 59,744 | – | 0.27% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 1,964,000 | $59,215,000 | 1.36% |
| Birchview Capital, LP | 75,500 | $2,276,000 | 1.35% |
| Camber Capital Management LP | 1,000,000 | $30,150,000 | 1.04% |
| Sessa Capital IM, L.P. | 875,000 | $26,381,000 | 1.02% |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $16,226,000 | 0.92% |
| Tarsadia Capital, LLC | 100,000 | $3,015,000 | 0.81% |
| Bullseye Asset Management LLC | 67,872 | $2,046,000 | 0.76% |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 1,304,246 | $39,323,000 | 0.58% |
| MANGROVE PARTNERS IM, LLC | 175,178 | $5,282,000 | 0.53% |
| Parametrica Management Ltd | 37,712 | $1,080,000 | 0.52% |