EMERALD ADVISERS, LLC - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 212 filers reported holding BLUEBIRD BIO INC in Q1 2015. The put-call ratio across all filers is 1.10 and the average weighting 0.2%.

Quarter-by-quarter ownership
EMERALD ADVISERS, LLC ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q3 2020$3,0000.0%500.0%0.00%
Q2 2020$3,000
-25.0%
500.0%0.00%
Q4 2019$4,000
-99.9%
50
-99.8%
0.00%
-100.0%
Q1 2018$4,955,000
-67.5%
29,019
-66.1%
0.20%
-66.0%
Q4 2017$15,225,000
-39.6%
85,488
-53.4%
0.59%
-42.8%
Q3 2017$25,205,000
+22.3%
183,512
-6.5%
1.02%
+19.0%
Q2 2017$20,608,000
+254.8%
196,174
+207.0%
0.86%
+261.8%
Q1 2017$5,808,000
-42.9%
63,896
-61.3%
0.24%
-45.2%
Q4 2016$10,177,000
-59.8%
164,940
-55.8%
0.43%
-61.5%
Q3 2016$25,319,000
+201.3%
373,554
+92.4%
1.13%
+178.3%
Q2 2016$8,404,000
-24.2%
194,144
-25.6%
0.40%
-25.0%
Q1 2016$11,087,000
-25.0%
260,879
+13.3%
0.54%
-22.6%
Q4 2015$14,787,000
+147.7%
230,252
+230.0%
0.70%
+123.7%
Q3 2015$5,969,000
-41.9%
69,769
+14.4%
0.31%
-36.2%
Q2 2015$10,265,000
-6.3%
60,967
-26.1%
0.49%
-11.1%
Q1 2015$10,958,000
-45.5%
82,524
-62.3%
0.55%
-48.4%
Q4 2014$20,091,000
+109.4%
219,046
-18.1%
1.07%
+87.0%
Q3 2014$9,594,000267,3900.57%
Other shareholders
BLUEBIRD BIO INC shareholders Q1 2015
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