BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 169 filers reported holding BLUEBIRD BIO INC in Q2 2023. The put-call ratio across all filers is 2.66 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| 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 ↓ |
|---|---|---|---|
| Ghost Tree Capital, LLC | 105,000 | $16,480,000 | 4.85% |
| Casdin Capital, LLC | 200,000 | $31,390,000 | 4.39% |
| MayTech Global Investments, LLC | 22,501 | $3,532,000 | 1.97% |
| ARMISTICE CAPITAL, LLC | 180,000 | $28,251,000 | 1.84% |
| Eventide Asset Management | 277,603 | $43,570,000 | 1.81% |
| SPHERA FUNDS MANAGEMENT LTD. | 72,483 | $11,376,000 | 1.57% |
| ARK Investment Management | 263,321 | $41,328,000 | 1.51% |
| Sivik Global Healthcare LLC | 25,000 | $3,924,000 | 1.51% |
| Redmile Group, LLC | 268,500 | $42,141,000 | 1.43% |
| MASTERS CAPITAL MANAGEMENT LLC | 287,810 | $45,172,000 | 1.27% |