ASCEND CAPITAL, LLC - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 84 filers reported holding BLUEBIRD BIO INC in Q1 2014. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
ASCEND CAPITAL, LLC ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q1 2015$555,000
-82.8%
4,600
-94.9%
0.02%
-80.2%
Q3 2014$3,229,000
+136.2%
90,000
+49.9%
0.10%
+166.7%
Q1 2014$1,367,00060,0550.04%
Other shareholders
BLUEBIRD BIO INC shareholders Q1 2014
NameSharesValueWeighting ↓
TANG CAPITAL MANAGEMENT LLC 4,282,827$13,019,7941.84%
Birchview Capital, LP 455,200$1,383,8081.18%
PFM Health Sciences, LP 6,040,934$18,364,4390.86%
Lion Point Capital, LP 531,256$1,615,0180.72%
Endurant Capital Management LP 251,785$765,4260.69%
Bleichroeder LP 900,000$2,736,0000.67%
Connacht Asset Management LP 31,634$96,1670.57%
Granahan Investment Management 5,137,778$15,618,8450.56%
Frazier Life Sciences Management, L.P. 1,709,907$5,198,1170.34%
Contrarius Investment Management Ltd 1,308,002$3,9760.22%
View complete list of BLUEBIRD BIO INC shareholders