BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

Back to rankings

210 hedge funds and large institutions have $3.8B invested in bluebird bio in 2015 Q1 according to their latest regulatory filings, with 59 funds opening new positions, 71 increasing their positions, 68 reducing their positions, and 18 closing their positions.

Holders
210
Holders Change
+41
Holders Change %
+24.26%
% of All Funds
5.6%
Holding in Top 10
4
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-42.86%
% of All Funds
0.11%
New
59
Increased
71
Reduced
68
Closed
18
Calls
$97.3M
Puts
$70M
Net Calls
+$27.3M
Net Calls Change
-$1.56M

Top Buyers

1
Baillie Gifford & Co
1
Baillie Gifford & Co
United Kingdom
$155M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$167M
3
O
3
OrbiMed
New York
$66.5M
4
Capital World Investors
4
Capital World Investors
California
$164M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$232M

Top Sellers

1
TRV
1
Third Rock Ventures
Massachusetts
$0
2
RCM
2
RA Capital Management
Massachusetts
$24.2M
3
FCM
3
Frontier Capital Management
Massachusetts
$30.2M
4
DM
4
Deerfield Management
New York
$76.2M
5
PHS
5
PFM Health Sciences
California
$24.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
ACA
101
Apis Capital Advisors
New York
$2.37M -$555K -359 -19%
WC
102
Woodstock Corp
Massachusetts
$2.37M – – –
MLICM
103
Metropolitan Life Insurance Company (MetLife)
New York
$2.3M +$213K +136 +10%
ACM
104
Atika Capital Management
New York
$2.17M -$180K -115 -8%
American Century Companies
105
American Century Companies
Missouri
$2.17M -$84.5K -54 -4%
FLAM
106
First Light Asset Management
Minnesota
$2.14M +$206K +132 +11%
MAA
107
Managed Account Advisors
New Jersey
$2.12M +$1.5M +961 +243%
BJL
108
Brighton Jones LLC
Washington
$2.06M -$360K -230 -15%
CCMH
109
Cornerstone Capital Management Holdings
New York
$2.01M +$2.01M +1,282 New
AA
110
ALPS Advisors
Colorado
$1.95M +$1.95M +1,249 New
AI
111
Axiom Investors
Connecticut
$1.92M +$1.92M +1,229 New
SCM
112
Suffolk Capital Management
New York
$1.91M -$1.77M -1,132 -48%
AIG
113
American International Group
New York
$1.88M +$17.2K +11 +0.9%
State Board of Administration of Florida Retirement System
114
State Board of Administration of Florida Retirement System
Florida
$1.84M +$264K +169 +17%
BAMS
115
Bellevue Asset Management (Switzerland)
Switzerland
$1.69M +$1.69M +1,081 New
SO
116
STRS Ohio
Ohio
$1.64M -$84.4K -54 -5%
JRP
117
Jasper Ridge Partners
California
$1.58M +$1.58M +1,008 New
CSS
118
Cubist Systematic Strategies
Connecticut
$1.52M +$1.48M +948 +4,740%
BG
119
BlackRock Group
United Kingdom
$1.43M +$752K +481 +111%
VOYA Investment Management
120
VOYA Investment Management
Georgia
$1.41M +$98.6K +63 +8%
GCP
121
GSA Capital Partners
United Kingdom
$1.27M -$1.21M -772 -49%
EEG
122
E.E. Geduld
$1.27M +$291K +186 +30%
Voloridge Investment Management
123
Voloridge Investment Management
Florida
$1.22M +$1.22M +782 New
QIM
124
Quantitative Investment Management
Virginia
$1.12M +$1.12M +718 New
SGH
125
Sivik Global Healthcare
Connecticut
$1.09M +$1.09M +695 New
3 4
5
6 7