BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 240 filers reported holding BLUEBIRD BIO INC in Q2 2015. The put-call ratio across all filers is 1.07 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q4 2016 | $9,739,000 | -6.8% | 157,838 | +2.4% | 0.01% | -15.4% |
Q3 2016 | $10,447,000 | +64.3% | 154,127 | +5.0% | 0.01% | +62.5% |
Q2 2016 | $6,357,000 | +1007.5% | 146,840 | +987.5% | 0.01% | +700.0% |
Q1 2016 | $574,000 | -48.6% | 13,502 | -22.4% | 0.00% | 0.0% |
Q4 2015 | $1,117,000 | -25.5% | 17,389 | -0.8% | 0.00% | -50.0% |
Q3 2015 | $1,500,000 | -58.4% | 17,535 | -18.2% | 0.00% | -50.0% |
Q2 2015 | $3,610,000 | -60.3% | 21,443 | -71.5% | 0.00% | -66.7% |
Q1 2015 | $9,086,000 | +50.5% | 75,235 | +14.3% | 0.01% | +50.0% |
Q4 2014 | $6,039,000 | +153.8% | 65,842 | -0.7% | 0.01% | +166.7% |
Q3 2014 | $2,379,000 | +6.3% | 66,303 | +14.2% | 0.00% | 0.0% |
Q2 2014 | $2,239,000 | +395.4% | 58,044 | +192.3% | 0.00% | +200.0% |
Q1 2014 | $452,000 | +14.4% | 19,855 | +5.4% | 0.00% | 0.0% |
Q4 2013 | $395,000 | -22.1% | 18,844 | +0.3% | 0.00% | 0.0% |
Q3 2013 | $507,000 | – | 18,792 | – | 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% |