BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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177 hedge funds and large institutions have $1.9B invested in bluebird bio in 2016 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 70 increasing their positions, 62 reducing their positions, and 31 closing their positions.

Holders
177
Holders Change
-10
Holders Change %
-5.35%
% of All Funds
4.73%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.11%
New
23
Increased
70
Reduced
62
Closed
31
Calls
$22.4M
Puts
$24.8M
Net Calls
-$2.4M
Net Calls Change
+$11.8M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$89.9M
2
BFA
2
BlackRock Fund Advisors
California
$60M
3
State Street
3
State Street
Massachusetts
$73.6M
4
RI
4
RTW Investments
New York
$26.5M
5
DM
5
Deerfield Management
New York
$14.6M

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$40.6M
2
Goldman Sachs
2
Goldman Sachs
New York
$6.71M
3
TCIM
3
TIAA CREF Investment Management
New York
$6.55M
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$5.63M
5
CCI
5
Columbus Circle Investors
$8.71M
Name Market Value Shares Shares
Change 		Shares
Change %
CS
51
Credit Suisse
Switzerland
$4.01M 92,666 -13,377 -13%
California Public Employees Retirement System
52
California Public Employees Retirement System
California
$3.73M 86,200 -2,700 -3%
JPMorgan Chase & Co
53
JPMorgan Chase & Co
New York
$3.69M 85,235 +25,612 +43%
Renaissance Technologies
54
Renaissance Technologies
New York
$3.57M 82,500 +43,900 +114%
Ameriprise
55
Ameriprise
Minnesota
$3.42M 79,002 -31,487 -28%
California State Teachers Retirement System (CalSTRS)
56
California State Teachers Retirement System (CalSTRS)
California
$3.36M 77,687 +1,682 +2%
GC
57
Guggenheim Capital
Illinois
$3.28M 75,772 +75,772 New
TA
58
Teachers Advisors
New York
$3.26M 75,356 +29,308 +64%
NFA
59
Nationwide Fund Advisors
Ohio
$3.1M 71,671 +30,871 +76%
Dimensional Fund Advisors
60
Dimensional Fund Advisors
Texas
$3.06M 70,722 -2,788 -4%
FLAM
61
First Light Asset Management
Minnesota
$2.9M 67,044 -1,063 -2%
FCM
62
Frontier Capital Management
Massachusetts
$2.65M 61,103 -31,590 -34%
Swiss National Bank
63
Swiss National Bank
Switzerland
$2.59M 59,707 +5,700 +11%
QF
64
QVT Financial
New York
$2.55M 59,002 – –
AllianceBernstein
65
AllianceBernstein
Tennessee
$2.46M 56,920 +37,390 +191%
TAM
66
Tocqueville Asset Management
New York
$2.29M 52,800 -885 -2%
AA
67
ALPS Advisors
Colorado
$2.25M 51,898 +10,368 +25%
Zurich Cantonal Bank
68
Zurich Cantonal Bank
Switzerland
$2.15M 49,767 +1,549 +3%
TCM
69
Tekla Capital Management
Massachusetts
$2.14M 49,345 – –
VanEck Associates
70
VanEck Associates
New York
$2.13M 49,209 -25,470 -34%
GH
71
GAM Holding
Switzerland
$2.11M 48,800 +24,400 +100%
RhumbLine Advisers
72
RhumbLine Advisers
Massachusetts
$1.97M 45,401 +10,036 +28%
CS
73
Candriam SCA
Luxembourg
$1.91M 44,000 -14,500 -25%
BJL
74
Brighton Jones LLC
Washington
$1.83M 42,371 – –
Citigroup
75
Citigroup
New York
$1.8M 41,566 -7,705 -16%
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