GROUP ONE TRADING, L.P. - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is and the CUSIP is 09609G950. A total of 4 filers reported holding BLUEBIRD BIO INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q3 2023$2,062,336
-8.8%
678,400
-1.3%
0.01%0.0%
Q2 2023$2,261,546
+2278.5%
687,400
+2199.0%
0.01%
Q1 2023$95,082
-24.5%
29,900
+64.3%
0.00%
Q4 2022$125,944
-89.6%
18,200
-90.5%
0.00%
-100.0%
Q3 2022$1,209,000
+196.3%
191,000
+93.9%
0.00%
+100.0%
Q2 2022$408,000
+25.9%
98,500
+47.2%
0.00%
Q1 2022$324,000
-85.5%
66,900
-70.1%
0.00%
-100.0%
Q4 2021$2,234,000
-56.2%
223,600
-16.2%
0.00%
-66.7%
Q3 2021$5,100,000
-31.3%
266,900
+14.9%
0.01%
-33.3%
Q2 2021$7,426,000
+8.3%
232,200
+2.1%
0.01%
-10.0%
Q1 2021$6,859,000
+35.5%
227,500
+94.4%
0.01%
+11.1%
Q4 2020$5,063,000
-8.0%
117,000
+14.7%
0.01%
-47.1%
Q3 2020$5,503,000
-19.2%
102,000
-8.6%
0.02%
-45.2%
Q2 2020$6,812,000
-2.2%
111,600
-26.3%
0.03%
-44.6%
Q1 2020$6,963,000
+28.0%
151,500
+144.4%
0.06%
+51.4%
Q4 2019$5,441,000
+82.3%
62,000
+90.8%
0.04%
+54.2%
Q3 2019$2,984,000
-77.1%
32,500
-68.3%
0.02%
-79.7%
Q2 2019$13,025,000
+93.4%
102,400
+139.3%
0.12%
+57.3%
Q1 2019$6,734,000
-26.2%
42,800
-53.5%
0.08%
-5.1%
Q4 2018$9,126,000
-40.6%
92,000
-12.6%
0.08%
-34.7%
Q3 2018$15,374,000
+5.3%
105,300
+13.2%
0.12%
-3.2%
Q2 2018$14,596,000
-4.2%
93,000
+4.3%
0.12%
-18.3%
Q1 2018$15,231,000
-50.7%
89,200
-48.6%
0.15%
-29.5%
Q4 2017$30,918,000
+153.8%
173,600
+95.7%
0.22%
+95.5%
Q3 2017$12,183,000
+49.6%
88,700
+14.5%
0.11%
+30.6%
Q2 2017$8,141,000
-28.2%
77,500
-37.9%
0.08%
-35.6%
Q1 2017$11,335,000
+38.0%
124,700
-6.3%
0.13%
+65.0%
Q4 2016$8,212,000
+65.3%
133,100
+81.6%
0.08%
+48.1%
Q3 2016$4,968,000
+118.2%
73,300
+39.4%
0.05%
+100.0%
Q2 2016$2,277,000
-43.1%
52,600
-44.2%
0.03%
-52.6%
Q1 2016$4,004,000
-27.7%
94,200
+9.3%
0.06%
-12.3%
Q4 2015$5,536,000
+22.3%
86,200
+62.9%
0.06%
+3.2%
Q3 2015$4,526,000
-19.8%
52,900
+57.9%
0.06%
-20.3%
Q2 2015$5,640,000
+132.4%
33,500
+66.7%
0.08%
+107.9%
Q1 2015$2,427,000
+4.6%
20,100
-20.6%
0.04%
+8.6%
Q4 2014$2,321,000
+169.6%
25,300
+5.4%
0.04%
+169.2%
Q3 2014$861,000
+142.5%
24,000
+160.9%
0.01%
+160.0%
Q2 2014$355,000
+290.1%
9,200
+130.0%
0.01%
+150.0%
Q1 2014$91,0004,0000.00%
Other shareholders
BLUEBIRD BIO INC shareholders Q1 2023
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 305,200$9700.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 29,900$95,0820.00%
JANE STREET GROUP, LLC 369,300$1,174,3740.00%
View complete list of BLUEBIRD BIO INC shareholders