BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 198 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 | $623,000 | -37.6% | 62,344 | +19.3% | 0.07% | -13.0% |
| Q3 2021 | $999,000 | -67.0% | 52,274 | -44.7% | 0.08% | -71.3% |
| Q2 2021 | $3,023,000 | +65.6% | 94,527 | +56.1% | 0.27% | +69.6% |
| Q1 2021 | $1,825,000 | -55.6% | 60,539 | -36.2% | 0.16% | -48.4% |
| Q4 2020 | $4,108,000 | +33.6% | 94,942 | +66.5% | 0.31% | +56.1% |
| Q3 2020 | $3,076,000 | – | 57,010 | – | 0.20% | – |
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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% |