BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 197 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 | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $436,000 | +2.6% | 13,629 | -3.3% | 0.00% | 0.0% |
| Q1 2021 | $425,000 | -20.6% | 14,099 | +14.0% | 0.00% | -33.3% |
| Q4 2020 | $535,000 | -50.9% | 12,364 | -38.8% | 0.00% | -57.1% |
| Q3 2020 | $1,089,000 | +73.1% | 20,193 | +96.1% | 0.01% | +40.0% |
| Q2 2020 | $629,000 | +42.0% | 10,298 | +6.9% | 0.01% | +25.0% |
| Q1 2020 | $443,000 | +71.7% | 9,633 | +487.4% | 0.00% | +100.0% |
| Q1 2019 | $258,000 | +7.9% | 1,640 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $239,000 | +2.6% | 1,640 | +20.2% | 0.00% | -33.3% |
| Q1 2018 | $233,000 | – | 1,364 | – | 0.00% | – |
Download | ||||||
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% |