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 | $15,618,845 | -2.2% | 5,137,778 | +5.8% | 0.56% | +13.0% |
| Q2 2023 | $15,977,299 | +247.6% | 4,856,322 | +236.0% | 0.49% | +251.4% |
| Q1 2023 | $4,595,917 | -6.4% | 1,445,257 | +103.7% | 0.14% | -6.7% |
| Q4 2022 | $4,909,941 | +31.7% | 709,529 | +20.4% | 0.15% | +23.0% |
| Q3 2022 | $3,729,000 | +43.4% | 589,083 | +880.4% | 0.12% | +110.3% |
| Q4 2020 | $2,600,000 | -49.2% | 60,085 | -36.6% | 0.06% | -66.7% |
| Q3 2020 | $5,116,000 | -20.9% | 94,821 | -10.5% | 0.17% | -25.6% |
| Q2 2020 | $6,468,000 | – | 105,966 | – | 0.23% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Casdin Capital, LLC | 145,000 | $25,825,000 | 6.29% |
| Monashee Investment Management LLC | 37,500 | $6,679,000 | 2.83% |
| Eventide Asset Management | 277,603 | $49,441,000 | 2.58% |
| Redmile Group, LLC | 259,800 | $46,270,000 | 2.01% |
| MayTech Global Investments, LLC | 16,477 | $2,935,000 | 1.93% |
| First Light Asset Management, LLC | 37,838 | $6,739,000 | 1.85% |
| Atika Capital Management LLC | 26,500 | $4,720,000 | 1.82% |
| Taylor Wealth Management Partners | 22,993 | $4,095,000 | 1.74% |
| ARK Investment Management | 121,462 | $21,632,000 | 1.72% |
| Cormorant Asset Management, LP | 80,000 | $14,248,000 | 1.49% |