SIMPLEX TRADING, LLC - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is and the CUSIP is 09609G900. A total of 5 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q3 2023$407
+273.4%
137,700
+280.4%
0.00%
Q2 2023$109
-56.0%
36,200
-55.3%
0.00%
Q1 2023$248
-60.7%
81,000
-16.9%
0.00%
-100.0%
Q4 2022$631
-99.7%
97,500
+116.2%
0.00%
Q3 2022$249,000
+24.5%
45,100
-16.6%
0.00%
Q2 2022$200,000
+244.8%
54,100
+165.2%
0.00%
Q1 2022$58,000
-4.9%
20,400
+3.0%
0.00%
Q4 2021$61,000
-82.2%
19,800
+86.8%
0.00%
Q3 2021$343,000
-5.8%
10,600
-7.0%
0.00%
Q2 2021$364,000
-72.3%
11,400
+2514.7%
0.00%
-100.0%
Q1 2021$1,314,000
-50.0%
436
-28.3%
0.00%
-33.3%
Q4 2020$2,630,000
-29.6%
608
-12.3%
0.00%
-40.0%
Q3 2020$3,738,000
+15.1%
693
+30.3%
0.01%0.0%
Q2 2020$3,247,000
+222.8%
532
+142.9%
0.01%
+150.0%
Q1 2020$1,006,000
-81.3%
219
-64.2%
0.00%
-83.3%
Q4 2019$5,370,000
-19.3%
612
-15.6%
0.01%
-36.8%
Q3 2019$6,656,000
+28.6%
725
+78.1%
0.02%
+35.7%
Q2 2019$5,177,000
+59.8%
407
+97.6%
0.01%
+55.6%
Q1 2019$3,240,000
+21.0%
206
-23.7%
0.01%
+12.5%
Q4 2018$2,678,000
-15.8%
270
+23.9%
0.01%
-20.0%
Q3 2018$3,182,000
-27.1%
218
-21.6%
0.01%
-41.2%
Q2 2018$4,363,000
+179.0%
278
-96.1%
0.02%
-75.4%
Q1 2018$1,564,000
-22.6%
7,082
+1372.3%
0.07%
-20.7%
Q4 2017$2,021,000
+78.5%
481
-22.9%
0.09%
+89.1%
Q3 2017$1,132,000
+107.3%
624
+62.5%
0.05%
+91.7%
Q2 2017$546,000
+87.0%
384
+144.6%
0.02%
+84.6%
Q1 2017$292,000
+133.6%
157
-29.0%
0.01%
+85.7%
Q4 2016$125,000
-65.3%
221
-46.9%
0.01%
-70.8%
Q3 2016$360,000
+1141.4%
416
+203.6%
0.02%
+1100.0%
Q2 2016$29,000
+61.1%
137
+33.0%
0.00%
+100.0%
Q1 2016$18,000
-57.1%
103
-69.0%
0.00%
-66.7%
Q4 2015$42,000
+13.5%
332
+94.2%
0.00%0.0%
Q3 2015$37,000
-86.2%
171
+22.1%
0.00%
-86.4%
Q2 2015$268,000
-33.2%
140
+64.7%
0.02%
-53.2%
Q1 2015$401,000
-8.7%
85
-38.4%
0.05%
-11.3%
Q4 2014$439,0001380.05%
Other shareholders
BLUEBIRD BIO INC shareholders Q4 2020
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 352,800$1,072,5120.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
JANE STREET GROUP, LLC 114,500$348,0800.00%
SIMPLEX TRADING, LLC 137,700$4070.00%
View complete list of BLUEBIRD BIO INC shareholders