GILDER GAGNON HOWE & CO 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 Q3 2019. The put-call ratio across all filers is 1.49 and the average weighting 0.1%.

Quarter-by-quarter ownership
GILDER GAGNON HOWE & CO LLC ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q4 2020$11,000
-100.0%
251
-99.9%
0.00%
-100.0%
Q3 2020$23,826,000
-36.3%
441,638
-27.9%
0.15%
-49.7%
Q2 2020$37,385,000
+47.0%
612,464
+10.7%
0.29%
-4.3%
Q1 2020$25,432,000
-43.2%
553,361
+8.5%
0.30%
-34.4%
Q4 2019$44,762,000
+1435.0%
510,113
+1506.1%
0.46%
+1309.1%
Q3 2019$2,916,000
-42.0%
31,761
-19.6%
0.03%
-35.3%
Q2 2019$5,024,000
-18.0%
39,500
+1.5%
0.05%
-21.5%
Q1 2019$6,125,000
+299.8%
38,929
+152.1%
0.06%
+195.5%
Q4 2018$1,532,000
-95.2%
15,443
-92.9%
0.02%
-93.2%
Q3 2018$31,903,000
+46.9%
218,511
+57.9%
0.32%
+38.9%
Q2 2018$21,717,000
-16.8%
138,366
-9.5%
0.23%
-27.6%
Q1 2018$26,106,000
+2031.1%
152,893
+2122.3%
0.32%
+1918.8%
Q4 2017$1,225,000
-73.0%
6,880
-93.4%
0.02%
-82.2%
Q2 2016$4,532,000
-3.9%
104,682
-5.6%
0.09%
-3.2%
Q1 2016$4,715,000
-75.1%
110,947
-62.4%
0.09%
-69.5%
Q4 2015$18,966,000
-26.2%
295,327
-1.7%
0.30%
-25.2%
Q3 2015$25,704,000
-41.3%
300,456
+15.5%
0.41%
-29.0%
Q2 2015$43,800,000
+768.4%
260,142
+522.8%
0.58%
+721.4%
Q1 2015$5,044,000
+912.9%
41,768
+669.2%
0.07%
+900.0%
Q4 2014$498,000
+229.8%
5,430
+29.2%
0.01%
+250.0%
Q3 2014$151,000
-10.7%
4,203
-3.8%
0.00%0.0%
Q2 2014$169,0004,3690.00%
Other shareholders
BLUEBIRD BIO INC shareholders Q3 2019
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