PICTON MAHONEY ASSET MANAGEMENT - BLUEBIRD BIO INC ownership

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
PICTON MAHONEY ASSET MANAGEMENT ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q3 2015$137,000
-49.1%
1,6000.0%0.01%
-38.5%
Q2 2015$269,000
+39.4%
1,6000.0%0.01%
+85.7%
Q1 2015$193,000
-75.5%
1,600
-94.5%
0.01%
-86.5%
Q3 2013$787,00029,2000.05%
Other shareholders
BLUEBIRD BIO INC shareholders Q2 2015
NameSharesValueWeighting ↓
Monashee Investment Management LLC 125,000$13,131,0005.55%
Cormorant Asset Management, LP 275,000$28,889,0004.79%
Eventide Asset Management 569,700$59,847,0003.73%
Crosspoint Capital Strategies, LLC 28,937$3,040,0002.66%
Casdin Capital, LLC 65,000$6,828,0002.53%
ARK Investment Management 119,683$12,573,0002.45%
RTW INVESTMENTS, LP 104,383$10,965,0002.31%
Taylor Wealth Management Partners 38,368$4,031,0001.82%
First Light Asset Management, LLC 33,780$3,549,0001.19%
Atika Capital Management LLC 25,000$2,627,0000.92%
View complete list of BLUEBIRD BIO INC shareholders