TOCQUEVILLE ASSET MANAGEMENT L.P. - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 296 filers reported holding BLUEBIRD BIO INC in Q1 2019. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.

Quarter-by-quarter ownership
TOCQUEVILLE ASSET MANAGEMENT L.P. ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q2 2019$616,000
-58.1%
4,840
-48.2%
0.01%
-60.0%
Q1 2019$1,469,000
+229.4%
9,340
+107.6%
0.02%
+185.7%
Q4 2018$446,000
-94.4%
4,500
-91.8%
0.01%
-93.1%
Q3 2018$7,995,000
-4.5%
54,760
+2.7%
0.10%
-4.7%
Q2 2018$8,372,000
+88.8%
53,345
+105.4%
0.11%
+89.3%
Q1 2018$4,434,000
-13.8%
25,965
-10.0%
0.06%
-3.4%
Q4 2017$5,141,000
-32.8%
28,865
-48.2%
0.06%
-34.1%
Q3 2017$7,649,000
+132.7%
55,690
+78.0%
0.09%
+125.6%
Q2 2017$3,287,000
+15.6%
31,2900.0%0.04%
+11.4%
Q1 2017$2,844,000
+7.7%
31,290
-26.9%
0.04%
+2.9%
Q4 2016$2,640,000
+4.6%
42,790
+14.9%
0.03%
+13.3%
Q3 2016$2,524,000
-44.8%
37,240
-64.7%
0.03%
+7.1%
Q2 2016$4,572,000
+100.4%
105,600
+96.7%
0.03%
-6.7%
Q1 2016$2,282,000
-25.0%
53,685
+13.3%
0.03%
-26.8%
Q4 2015$3,043,000
-16.0%
47,385
+11.8%
0.04%
-14.6%
Q3 2015$3,624,000
-30.9%
42,365
+36.0%
0.05%
-22.6%
Q2 2015$5,243,000
+81.9%
31,140
+30.5%
0.06%
+82.4%
Q1 2015$2,882,000
+96.3%
23,865
+49.2%
0.03%
+112.5%
Q4 2014$1,468,000
+226.9%
16,000
+28.0%
0.02%
+220.0%
Q3 2014$449,000
+45.3%
12,500
+56.2%
0.01%
+66.7%
Q2 2014$309,000
+17.0%
8,000
-31.0%
0.00%0.0%
Q1 2014$264,000
+676.5%
11,600
+625.0%
0.00%
Q4 2013$34,0001,6000.00%
Other shareholders
BLUEBIRD BIO INC shareholders Q1 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