BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 194 filers reported holding BLUEBIRD BIO INC in Q3 2015. The put-call ratio across all filers is 1.12 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q1 2017 | $509,000 | -68.1% | 5,600 | -78.4% | 0.02% | -55.3% |
Q4 2016 | $1,597,000 | -49.2% | 25,893 | -44.1% | 0.04% | -39.7% |
Q3 2016 | $3,142,000 | +401.9% | 46,345 | +220.6% | 0.06% | +472.7% |
Q2 2016 | $626,000 | -2.9% | 14,457 | -4.6% | 0.01% | -8.3% |
Q1 2016 | $645,000 | -53.0% | 15,161 | -29.1% | 0.01% | -14.3% |
Q4 2015 | $1,372,000 | -35.8% | 21,375 | -14.5% | 0.01% | -30.0% |
Q3 2015 | $2,138,000 | -19.6% | 24,998 | +58.2% | 0.02% | -16.7% |
Q2 2015 | $2,660,000 | +425.7% | 15,800 | +277.0% | 0.02% | +500.0% |
Q1 2015 | $506,000 | -50.9% | 4,191 | -62.7% | 0.00% | -42.9% |
Q4 2014 | $1,031,000 | +40.1% | 11,234 | -45.2% | 0.01% | +75.0% |
Q3 2014 | $736,000 | – | 20,489 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
Third Rock Ventures, LLC | 3,313,974 | $78,939,000 | 22.36% |
HARBOURVEST PARTNERS LLC | 59,264 | $1,243,000 | 3.98% |
RA Capital Management | 467,418 | $9,806,000 | 1.14% |
HAMILTON LANE ADVISORS LLC | 88,628 | $1,859,000 | 1.08% |
COWEN INC. | 158,709 | $3,330,000 | 0.56% |
SPHERA FUNDS MANAGEMENT LTD. | 92,435 | $1,939,000 | 0.54% |
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 423,224 | $8,879,000 | 0.46% |
Camber Capital Management LP | 206,900 | $4,341,000 | 0.38% |
Eventide Asset Management | 25,700 | $539,000 | 0.17% |
SABBY MANAGEMENT, LLC | 102,035 | $2,141,000 | 0.14% |