BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

BLUE was delisted on the 30th of May, 2025.

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199 hedge funds and large institutions have $2.88B invested in bluebird bio in 2016 Q4 according to their latest regulatory filings, with 31 funds opening new positions, 90 increasing their positions, 58 reducing their positions, and 30 closing their positions.

Holders
199
Holders Change
-1
Holders Change %
-0.5%
% of All Funds
4.98%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.08%
New
31
Increased
90
Reduced
58
Closed
30
Calls
$50.2M
Puts
$44M
Net Calls
+$6.24M
Net Calls Change
+$12.3M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$188M
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$291M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$376M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$190M
5
BFA
5
BlackRock Fund Advisors
California
$112M

Top Sellers

1
O
1
OrbiMed
New York
$17.5M
2
Millennium Management
2
Millennium Management
New York
$0
3
PC
3
Passport Capital
California
$0
4
Franklin Resources
4
Franklin Resources
California
$57.1M
5
EA
5
Emerald Advisers
Pennsylvania
$10.2M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$376M 6,088,971 +513,477 +9%
Baillie Gifford & Co
2
Baillie Gifford & Co
United Kingdom
$319M 5,164,467 +165,634 +3%
Capital Research Global Investors
3
Capital Research Global Investors
California
$291M 4,713,042 +720,233 +18%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$203M 3,288,161 -77,636 -2%
Vanguard Group
5
Vanguard Group
Pennsylvania
$190M 3,073,953 +338,221 +12%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$188M 3,049,519 +1,085,880 +55%
BFA
7
BlackRock Fund Advisors
California
$112M 1,813,191 +337,796 +23%
State Street
8
State Street
Massachusetts
$95.8M 1,552,804 -106,713 -6%
BIT
9
BlackRock Institutional Trust
California
$62M 1,005,508 +69,786 +7%
Victory Capital Management
10
Victory Capital Management
Texas
$60.7M 983,609 +328,679 +50%
O
11
OppenheimerFunds
New York
$59.9M 971,471 +183,372 +23%
Franklin Resources
12
Franklin Resources
California
$57.1M 925,300 -236,532 -20%
Jennison Associates
13
Jennison Associates
New York
$53.7M 870,511 +3,074 +0.4%
Balyasny Asset Management
14
Balyasny Asset Management
Illinois
$43.6M 706,035 +157,351 +29%
Capital World Investors
15
Capital World Investors
California
$38.6M 625,000 -127,000 -17%
EAM
16
Eventide Asset Management
Massachusetts
$36.3M 587,677 +48,177 +9%
Wells Fargo
17
Wells Fargo
California
$28.9M 468,012 +42,373 +10%
Northern Trust
18
Northern Trust
Illinois
$28.1M 455,548 +43,836 +11%
ACH
19
ArrowMark Colorado Holdings
Colorado
$28M 453,354 +56,457 +14%
AG
20
Artal Group
Luxembourg
$26.1M 422,536 +37,536 +10%
Norges Bank
21
Norges Bank
Norway
$22.9M 371,793 -50,825 -12%
BBA
22
Baker Bros. Advisors
New York
$21.7M 351,441 +57,498 +20%
Ameriprise
23
Ameriprise
Minnesota
$21.1M 341,626 -22,226 -6%
Geode Capital Management
24
Geode Capital Management
Massachusetts
$20.2M 326,610 +47,651 +17%
Deutsche Bank
25
Deutsche Bank
Germany
$19.2M 310,756 -71,354 -19%
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