MARSHALL WACE, LLP - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 172 filers reported holding BLUEBIRD BIO INC in Q4 2014. The put-call ratio across all filers is 0.23 and the average weighting 0.4%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q2 2023$64,813
-99.2%
19,700
-98.5%
0.00%
-100.0%
Q3 2022$8,488,000
+253.5%
1,340,806
+131.3%
0.02%
+280.0%
Q2 2022$2,401,000
-3.0%
579,773
+649.6%
0.01%
-54.5%
Q2 2021$2,474,000
-64.3%
77,345
-66.3%
0.01%
-65.6%
Q1 2021$6,929,000
+397.1%
229,799
+613.6%
0.03%
+300.0%
Q4 2020$1,394,000
+137.9%
32,205
+383.1%
0.01%
+100.0%
Q4 2019$586,000
-72.1%
6,666
-70.9%
0.00%
-76.5%
Q3 2019$2,100,000
-82.8%
22,875
-70.6%
0.02%
-70.7%
Q1 2019$12,234,000
+2973.9%
77,762
+3384.0%
0.06%
+241.2%
Q4 2017$398,000
-17.4%
2,232
-36.5%
0.02%
-22.7%
Q3 2017$482,000
+7.6%
3,516
-28.5%
0.02%0.0%
Q1 2017$448,000
+1.6%
4,920
-52.5%
0.02%
+450.0%
Q1 2016$441,000
-95.9%
10,368
-93.8%
0.00%
-96.0%
Q4 2015$10,816,000
+256.4%
168,427
+374.8%
0.10%
+173.0%
Q3 2015$3,035,000
-75.8%
35,471
-65.8%
0.04%
-77.3%
Q1 2015$12,521,000
+21.9%
103,674
-7.4%
0.16%
+19.9%
Q4 2014$10,274,000
+15706.2%
112,019
+6092.3%
0.14%
+13500.0%
Q3 2014$65,000
-94.0%
1,809
-93.5%
0.00%
-93.8%
Q2 2014$1,079,00027,9720.02%
Other shareholders
BLUEBIRD BIO INC shareholders Q4 2014
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