DAFNA Capital Management LLC - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 251 filers reported holding BLUEBIRD BIO INC in Q1 2020. The put-call ratio across all filers is 1.33 and the average weighting 0.1%.

Quarter-by-quarter ownership
DAFNA Capital Management LLC ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q4 2020$1,310,000
-19.8%
30,2730.0%0.39%
-26.6%
Q3 2020$1,633,000
-11.6%
30,2730.0%0.53%
-0.4%
Q2 2020$1,848,000
+57.7%
30,273
+18.7%
0.53%
+9.0%
Q1 2020$1,172,000
-47.6%
25,5000.0%0.49%
-36.3%
Q4 2019$2,238,000
-4.4%
25,5000.0%0.77%
-12.7%
Q3 2019$2,341,000
-27.8%
25,5000.0%0.88%
-27.8%
Q2 2019$3,244,000
-23.6%
25,500
-5.6%
1.22%
-33.5%
Q1 2019$4,248,000
+58.6%
27,0000.0%1.83%
+37.6%
Q4 2018$2,678,000
-10.5%
27,000
+31.7%
1.33%
+8.4%
Q3 2018$2,993,000
+376.6%
20,500
+412.5%
1.23%
+318.0%
Q2 2018$628,000
+76.4%
4,000
+100.0%
0.29%
+53.1%
Q4 2017$356,000
-42.4%
2,000
-55.6%
0.19%
-50.0%
Q3 2017$618,000
-26.4%
4,500
-43.8%
0.38%
-35.9%
Q2 2017$840,000
+2.7%
8,000
-11.1%
0.60%
-13.4%
Q1 2017$818,000
+47.4%
9,0000.0%0.69%
+41.8%
Q4 2016$555,000
+36.4%
9,000
+50.0%
0.49%
+72.4%
Q3 2016$407,000
-21.6%
6,000
-50.0%
0.28%
-31.1%
Q2 2016$519,000
+1.8%
12,0000.0%0.41%
-6.6%
Q1 2016$510,000
+32.5%
12,000
+100.0%
0.44%
+28.3%
Q4 2015$385,000
-25.0%
6,0000.0%0.34%
-32.6%
Q3 2015$513,000
-49.2%
6,0000.0%0.51%
-40.4%
Q2 2015$1,010,000
+4.6%
6,000
-25.0%
0.85%
+15.1%
Q1 2015$966,000
-15.8%
8,000
-36.0%
0.74%
-18.2%
Q4 2014$1,147,000
+27.9%
12,500
-50.0%
0.91%
+0.2%
Q3 2014$897,00025,0000.90%
Other shareholders
BLUEBIRD BIO INC shareholders Q1 2020
NameSharesValueWeighting ↓
Sessa Capital IM, L.P. 1,834,965$35,066,0001.72%
Birchview Capital, LP 84,000$1,605,0001.09%
ARMISTICE CAPITAL, LLC 2,472,000$47,240,0000.80%
EcoR1 Capital, LLC 802,507$15,336,0000.53%
Parametrica Management Ltd 36,919$706,0000.53%
Bain Capital Life Sciences Investors, LLC 538,179$7,239,0000.45%
APPLETON GROUP, LLC 19,495$373,0000.32%
MANGROVE PARTNERS IM, LLC 175,587$3,355,0000.30%
Quinn Opportunity Partners LLC 230,100$4,397,0000.28%
PDT Partners, LLC 171,700$3,281,0000.24%
View complete list of BLUEBIRD BIO INC shareholders