BBA
BLUE

Baker Bros. Advisors’s bluebird bio BLUE Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2023
Q4
Sell
-2,499,715
Closed -$7.6M 89
2023
Q3
$7.6M Hold
2,499,715
0.04% 54
2023
Q2
$8.22M Hold
2,499,715
0.05% 62
2023
Q1
$7.95M Hold
2,499,715
0.04% 57
2022
Q4
$17.3M Hold
2,499,715
0.1% 46
2022
Q3
$15.8M Hold
2,499,715
0.1% 54
2022
Q2
$10.3M Hold
2,499,715
0.06% 60
2022
Q1
$12.1M Hold
2,499,715
0.07% 60
2021
Q4
$25M Hold
2,499,715
0.12% 50
2021
Q3
$47.8M Buy
2,499,715
+2,272,727
+1,001% +$43.4M 0.21% 39
2021
Q2
$7.26M Hold
226,988
0.03% 86
2021
Q1
$6.84M Hold
226,988
0.03% 86
2020
Q4
$9.82M Sell
226,988
-25,012
-10% -$1.08M 0.04% 74
2020
Q3
$13.6M Sell
252,000
-13,000
-5% -$701K 0.05% 61
2020
Q2
$16.2M Buy
265,000
+225,000
+563% +$13.7M 0.07% 51
2020
Q1
$1.84M Hold
40,000
0.01% 91
2019
Q4
$3.51M Hold
40,000
0.02% 77
2019
Q3
$3.67M Hold
40,000
0.03% 71
2019
Q2
$5.09M Hold
40,000
0.03% 64
2019
Q1
$6.29M Hold
40,000
0.04% 55
2018
Q4
$3.97M Sell
40,000
-19,441
-33% -$1.93M 0.03% 58
2018
Q3
$8.68M Sell
59,441
-140,559
-70% -$20.5M 0.06% 55
2018
Q2
$31.4M Hold
200,000
0.24% 33
2018
Q1
$34.2M Hold
200,000
0.29% 30
2017
Q4
$35.6M Sell
200,000
-41,441
-17% -$7.38M 0.31% 31
2017
Q3
$33.2M Sell
241,441
-60,000
-20% -$8.24M 0.27% 24
2017
Q2
$31.7M Sell
301,441
-50,000
-14% -$5.25M 0.28% 23
2017
Q1
$31.9M Hold
351,441
0.26% 27
2016
Q4
$21.7M Buy
351,441
+57,498
+20% +$3.55M 0.21% 33
2016
Q3
$19.9M Hold
293,943
0.18% 34
2016
Q2
$12.7M Sell
293,943
-59,000
-17% -$2.55M 0.13% 47
2016
Q1
$15M Buy
352,943
+211,838
+150% +$9M 0.16% 42
2015
Q4
$9.06M Hold
141,105
0.08% 64
2015
Q3
$12.1M Sell
141,105
-10,000
-7% -$856K 0.11% 56
2015
Q2
$25.4M Buy
151,105
+4,524
+3% +$762K 0.22% 42
2015
Q1
$17.7M Sell
146,581
-3,419
-2% -$413K 0.15% 45
2014
Q4
$13.8M Hold
150,000
0.14% 44
2014
Q3
$5.38M Sell
150,000
-48,260
-24% -$1.73M 0.07% 59
2014
Q2
$7.65M Hold
198,260
0.09% 52
2014
Q1
$4.51M Buy
198,260
+83,799
+73% +$1.91M 0.06% 77
2013
Q4
$2.4M Buy
114,461
+2,940
+3% +$61.7K 0.03% 78
2013
Q3
$3.01M Buy
+111,521
New +$3.01M 0.04% 67