SIMPLEX TRADING, LLC - 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
SIMPLEX TRADING, LLC ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q2 2024$307
-7.8%
312,625
+20.0%
0.00%
Q1 2024$333
-4.6%
260,545
+2.9%
0.00%
Q4 2023$349
-54.2%
253,266
+1.0%
0.00%
-100.0%
Q3 2023$762
-3.2%
250,705
+4.8%
0.00%0.0%
Q2 2023$787
-12.0%
239,291
-15.0%
0.00%0.0%
Q1 2023$894
-4.8%
281,407
+107.4%
0.00%0.0%
Q4 2022$939
-99.9%
135,702
-15.4%
0.00%0.0%
Q3 2022$1,015,000
+67.5%
160,446
+9.5%
0.00%0.0%
Q2 2022$606,000
+500.0%
146,507
+603.4%
0.00%
Q1 2022$101,000
-76.4%
20,829
-51.5%
0.00%
Q4 2021$428,000
-65.8%
42,909
+11.1%
0.00%
-100.0%
Q3 2021$1,251,000
+8.9%
38,615
+7.5%
0.00%0.0%
Q2 2021$1,149,000
-53.5%
35,932
-56.2%
0.00%
-75.0%
Q1 2021$2,471,000
+6.4%
81,978
+52.7%
0.00%
+33.3%
Q4 2020$2,323,000
+33.2%
53,702
+66.0%
0.00%
+50.0%
Q3 2020$1,744,000
+44.9%
32,342
+63.9%
0.00%0.0%
Q2 2020$1,204,000
-0.7%
19,738
-25.2%
0.00%0.0%
Q1 2020$1,212,000
-46.1%
26,372
+3.0%
0.00%
-60.0%
Q4 2019$2,247,000
+346.7%
25,608
+366.7%
0.01%
+400.0%
Q3 2019$503,000
+16.4%
5,487
+99.4%
0.00%0.0%
Q1 2019$432,000
-50.6%
2,752
-68.8%
0.00%
-66.7%
Q4 2018$875,000
-75.8%
8,823
-61.7%
0.00%
-78.6%
Q2 2018$3,611,000
+21141.2%
23,011
+22911.0%
0.01%
+1300.0%
Q1 2018$17,000
-98.2%
100
-98.6%
0.00%
-97.4%
Q3 2017$967,000
-16.3%
7,045
-35.9%
0.04%
-22.0%
Q2 2017$1,155,000
-27.7%
10,996
-37.4%
0.05%
-27.5%
Q1 2017$1,597,000
+9294.1%
17,573
+6131.6%
0.07%
+6800.0%
Q4 2016$17,000
-89.0%
282
-87.7%
0.00%
-90.9%
Q3 2016$155,000
+86.7%
2,296
+19.0%
0.01%
+83.3%
Q2 2016$83,000
-89.8%
1,929
-90.0%
0.01%
-90.8%
Q1 2016$817,000
+64.4%
19,237
+148.2%
0.06%
+66.7%
Q4 2015$497,000
-14.3%
7,752
+14.2%
0.04%
-9.3%
Q3 2015$580,000
-61.7%
6,786
-24.5%
0.04%
-66.1%
Q2 2015$1,513,000
+68.5%
8,992
+20.8%
0.13%
+22.1%
Q1 2015$898,000
+6.9%
7,441
-18.8%
0.10%
+2.0%
Q4 2014$840,0009,1600.10%
Other shareholders
BLUEBIRD BIO INC shareholders Q2 2015
NameSharesValueWeighting ↓
Casdin Capital, LLC 82,500$5,090,0004.20%
RTW INVESTMENTS, LP 122,576$7,563,0002.85%
Eventide Asset Management 587,677$36,260,0002.36%
First Light Asset Management, LLC 71,246$4,396,0001.93%
ARK Investment Management 75,645$4,667,0001.70%
Taylor Wealth Management Partners 39,118$2,414,0001.12%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 302,027$18,635,0000.77%
ARMISTICE CAPITAL, LLC 40,000$2,468,0000.58%
Artal Group S.A. 422,536$26,070,0000.58%
Baillie Gifford 5,164,467$318,647,0000.52%
View complete list of BLUEBIRD BIO INC shareholders