WELLINGTON MANAGEMENT GROUP LLP - 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 2023. The put-call ratio across all filers is 0.92 and the average weighting 0.0%.

Quarter-by-quarter ownership
WELLINGTON MANAGEMENT GROUP LLP ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q3 2023$1,769,790
-3.2%
582,168
+4.8%
0.00%
Q2 2023$1,827,908
+149.5%
555,595
+141.2%
0.00%
Q1 2023$732,548
-55.3%
230,361
-2.7%
0.00%
Q4 2022$1,639,099
+6.1%
236,864
-2.9%
0.00%
Q3 2022$1,545,000
-93.9%
244,061
-96.0%
0.00%
-100.0%
Q2 2022$25,420,000
-14.6%
6,140,0000.0%0.01%0.0%
Q1 2022$29,779,000
-51.5%
6,140,0000.0%0.01%
-50.0%
Q4 2021$61,339,000
-53.6%
6,140,000
-11.3%
0.01%
-54.5%
Q3 2021$132,222,000
-40.3%
6,918,987
-0.0%
0.02%
-40.5%
Q2 2021$221,373,000
+6.1%
6,922,234
+0.1%
0.04%0.0%
Q1 2021$208,552,000
-9.9%
6,917,143
+29.3%
0.04%
-14.0%
Q4 2020$231,459,000
-40.5%
5,349,165
-25.8%
0.04%
-46.9%
Q3 2020$389,100,000
-12.0%
7,212,227
-0.4%
0.08%
-17.3%
Q2 2020$441,929,000
+41.0%
7,239,982
+6.2%
0.10%
+18.1%
Q1 2020$313,461,000
-52.2%
6,820,314
-8.8%
0.08%
-39.9%
Q4 2019$656,205,000
-4.5%
7,478,113
-0.0%
0.14%
-11.0%
Q3 2019$686,969,000
-25.5%
7,481,680
+3.2%
0.16%
-24.0%
Q2 2019$922,428,000
-19.8%
7,251,800
-0.8%
0.20%
-21.8%
Q1 2019$1,150,349,000
+56.9%
7,311,700
-1.1%
0.26%
+41.8%
Q4 2018$733,270,000
+15.0%
7,391,828
+69.2%
0.18%
+37.3%
Q3 2018$637,675,000
+37.8%
4,367,629
+48.1%
0.13%
+30.1%
Q2 2018$462,914,000
+9.4%
2,949,440
+19.0%
0.10%
+7.3%
Q1 2018$423,057,000
-14.8%
2,477,635
-11.1%
0.10%
-12.7%
Q4 2017$496,475,000
-12.1%
2,787,618
-31.9%
0.11%
-15.4%
Q3 2017$564,957,000
+43.5%
4,091,827
+9.5%
0.13%
+41.3%
Q2 2017$393,638,000
+37.5%
3,735,193
+19.2%
0.09%
+33.3%
Q1 2017$286,238,000
+52.1%
3,134,861
+2.8%
0.07%
+46.8%
Q4 2016$188,156,000
+41.4%
3,049,519
+55.3%
0.05%
+42.4%
Q3 2016$133,096,000
+48.1%
1,963,639
-5.4%
0.03%
+43.5%
Q2 2016$89,869,000
+75.9%
2,075,954
+72.7%
0.02%
+76.9%
Q1 2016$51,095,000
+8879.8%
1,202,247
+35469.4%
0.01%
Q2 2015$569,000
-89.4%
3,380
-92.4%
0.00%
-100.0%
Q1 2015$5,385,000
-39.9%
44,589
-54.3%
0.00%
-50.0%
Q4 2014$8,953,00097,6110.00%
Other shareholders
BLUEBIRD BIO INC shareholders Q1 2023
NameSharesValueWeighting ↓
TANG CAPITAL MANAGEMENT LLC 5,910,687$24,470,0003.71%
Monaco Asset Management SAM 306,142$1,267,0000.55%
Parametrica Management Ltd 90,105$374,0000.41%
Kamunting Street Capital Management, L.P. 55,200$229,0000.31%
Birchview Capital, LP 98,000$406,0000.30%
Kamunting Street Capital Management, L.P. 35,000$145,0000.20%
PDT Partners, LLC 519,477$2,151,0000.19%
Graham Capital Management, L.P. 781,912$3,237,0000.13%
CAXTON ASSOCIATES LP 220,154$911,0000.09%
Baker Brothers Advisors 2,499,715$10,349,0000.06%
View complete list of BLUEBIRD BIO INC shareholders