SEI INVESTMENTS CO - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2022. The put-call ratio across all filers is 1.32 and the average weighting 0.0%.

Quarter-by-quarter ownership
SEI INVESTMENTS CO ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q1 2022$28,000
-70.8%
15,766
+5.7%
0.00%
Q4 2021$96,000
-63.2%
14,910
+4.5%
0.00%
-100.0%
Q3 2021$261,000
-49.1%
14,267
-7.1%
0.00%0.0%
Q2 2021$513,000
-44.1%
15,359
-30.4%
0.00%
-50.0%
Q1 2021$918,000
-41.8%
22,071
-40.8%
0.00%
-50.0%
Q4 2020$1,576,000
-12.3%
37,271
+10.8%
0.00%
-20.0%
Q3 2020$1,798,000
+7.6%
33,640
+18.5%
0.01%0.0%
Q2 2020$1,671,000
+26.0%
28,388
-1.6%
0.01%0.0%
Q1 2020$1,326,000
-17.5%
28,859
+57.6%
0.01%0.0%
Q4 2019$1,607,000
+193.8%
18,312
+207.5%
0.01%
+400.0%
Q3 2019$547,000
-11.5%
5,955
+51.5%
0.00%
-50.0%
Q1 2019$618,000
+210.6%
3,930
+188.5%
0.00%
+100.0%
Q4 2018$199,0000.0%1,3620.0%0.00%0.0%
Q3 2018$199,000
-92.8%
1,362
-92.2%
0.00%
-88.9%
Q2 2018$2,754,000
+186.0%
17,550
+211.5%
0.01%
+125.0%
Q1 2018$963,000
-16.0%
5,634
-12.4%
0.00%0.0%
Q4 2017$1,146,000
+3083.3%
6,432
+2336.4%
0.00%
Q3 2017$36,000
-78.8%
264
-89.5%
0.00%
-100.0%
Q3 2016$170,000
+220.8%
2,515
+106.7%
0.00%
Q2 2016$53,000
-20.9%
1,217
-23.2%
0.00%
Q1 2016$67,000
-56.5%
1,585
-33.8%
0.00%
-100.0%
Q4 2015$154,000
+450.0%
2,394
+625.5%
0.00%
Q3 2015$28,000
-63.2%
330
-26.8%
0.00%
-100.0%
Q2 2015$76,000
-81.6%
451
-86.8%
0.00%
-75.0%
Q1 2015$413,000
-34.8%
3,418
-50.5%
0.00%
-33.3%
Q4 2014$633,0006,9060.01%
Other shareholders
BLUEBIRD BIO INC shareholders Q1 2022
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