Winfield Associates, Inc. - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 240 filers reported holding BLUEBIRD BIO INC in Q2 2015. The put-call ratio across all filers is 1.07 and the average weighting 0.2%.

Quarter-by-quarter ownership
Winfield Associates, Inc. ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q3 2019$236,000
-27.8%
2,5700.0%0.12%
-32.0%
Q2 2019$327,000
-22.1%
2,570
-3.7%
0.17%
-24.6%
Q1 2019$420,000
+61.5%
2,670
+1.9%
0.22%
+40.9%
Q4 2018$260,000
-47.9%
2,620
-23.4%
0.16%
-35.4%
Q3 2018$499,000
-7.1%
3,4200.0%0.25%
-14.6%
Q2 2018$537,000
-13.1%
3,420
-5.5%
0.29%
-13.5%
Q1 2018$618,000
+7.7%
3,620
+12.4%
0.33%
+14.8%
Q4 2017$574,000
+26.2%
3,220
-2.7%
0.29%
+21.3%
Q3 2017$455,000
+53.7%
3,310
+17.3%
0.24%
+45.7%
Q2 2017$296,000
+22.3%
2,822
+6.1%
0.16%
+18.8%
Q1 2017$242,000
+47.6%
2,6600.0%0.14%
+36.6%
Q4 2016$164,000
-31.1%
2,660
-24.2%
0.10%
-32.7%
Q3 2016$238,000
+56.6%
3,5100.0%0.15%
+51.5%
Q2 2016$152,000
+2.7%
3,510
+0.4%
0.10%
-1.0%
Q1 2016$148,000
-33.9%
3,495
+0.3%
0.10%
-33.3%
Q4 2015$224,000
-39.1%
3,485
-19.0%
0.15%
-45.5%
Q3 2015$368,000
-38.7%
4,305
+20.8%
0.28%
-33.1%
Q2 2015$600,000
+201.5%
3,565
+116.7%
0.41%
+195.7%
Q1 2015$199,000
+2111.1%
1,645
+1545.0%
0.14%
+1885.7%
Q4 2014$9,000
+125.0%
1000.0%0.01%
+133.3%
Q3 2014$4,000
+33.3%
1000.0%0.00%
+50.0%
Q2 2014$3,0001000.00%
Other shareholders
BLUEBIRD BIO INC shareholders Q2 2015
NameSharesValueWeighting ↓
TANG CAPITAL MANAGEMENT LLC 6,335,528$40,104,0004.92%
qPULA Trading Management LP 14,344$91,0000.80%
Frazier Life Sciences Management, L.P. 1,440,757$9,120,0000.70%
Ikarian Capital, LLC 462,628$2,928,0000.58%
Birchview Capital, LP 98,000$620,0000.44%
HealthCor Management, L.P. 455,000$2,880,0000.36%
Financial Advocates Investment Management 45,071$3,538,0000.29%
PDT Partners, LLC 262,767$1,663,0000.25%
Monaco Asset Management SAM 80,000$506,0000.19%
Summit X, LLC 103,424$651,0000.19%
View complete list of BLUEBIRD BIO INC shareholders