Granahan Investment Management BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 181 filers reported holding BLUEBIRD BIO INC in Q4 2022. The put-call ratio across all filers is 0.63 and the average weighting 0.1%.

Granahan Investment Management ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q4 2022$4,909,941
+131569.1%
709,529
+20.4%
0.15%
+23.0%
Q3 2022$3,729
+43.4%
589,083
+880.4%
0.12%
+110.3%
Q4 2020$2,600
-49.2%
60,085
-36.6%
0.06%
-66.7%
Q3 2020$5,116
-20.9%
94,821
-10.5%
0.17%
-25.6%
Q2 2020$6,468105,9660.23%