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 $4.24B invested in bluebird bio in 2017 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 56 increasing their positions, 80 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
210
Holders Change
+11
Holders Change %
+5.53%
% of All Funds
5.24%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
37
Increased
56
Reduced
80
Closed
18
Calls
$60M
Puts
$35.1M
Net Calls
+$24.8M
Net Calls Change
+$18.6M

Top Buyers

1
BlackRock
BlackRock
New York
+$289M
2
Capital World Investors
Capital World Investors
California
+$43.7M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$25.2M
4
PC
PointState Capital
New York
+$15.3M
5
1832 Asset Management
1832 Asset Management
Ontario, Canada
+$13M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$19.2M
2
DM
Deerfield Management
New York
-$17.7M
3
AG
Artal Group
Luxembourg
-$15.7M
4
FCM
Frontier Capital Management
Massachusetts
-$13.1M
5
Wells Fargo
Wells Fargo
California
-$11.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
PC
101
Polar Capital
United Kingdom
$1.82M +$1.82M +1,544 New
ACM
102
Atika Capital Management
New York
$1.73M +$1.73M +1,467 New
AQR Capital Management
103
AQR Capital Management
Connecticut
$1.7M +$1.7M +1,439 New
PA
104
Profund Advisors
Maryland
$1.64M -$137K -116 -8%
CCMH
105
Cornerstone Capital Management Holdings
New York
$1.62M +$856K +727 +112%
Simplex Trading
106
Simplex Trading
Illinois
$1.6M +$1.57M +1,335 +6,068%
EP
107
Elkfork Partners
Oregon
$1.57M – – –
MAM
108
Martingale Asset Management
Massachusetts
$1.55M +$9.43K +8 +0.6%
CCM
109
Century Capital Management
Massachusetts
$1.54M -$339K -288 -18%
JGC
110
J. Goldman & Co
New York
$1.53M +$1.53M +1,297 New
VOYA Investment Management
111
VOYA Investment Management
Georgia
$1.46M +$60K +51 +4%
Nuveen Asset Management
112
Nuveen Asset Management
Illinois
$1.39M -$920K -781 -40%
GHCM
113
Glen Harbor Capital Management
California
$1.29M – – –
Legal & General Group
114
Legal & General Group
United Kingdom
$1.27M +$31.9K +27 +3%
SGH
115
Sivik Global Healthcare
Connecticut
$1.26M -$100K -85 -7%
D.E. Shaw & Co
116
D.E. Shaw & Co
New York
$1.22M +$1.22M +1,033 New
VIA
117
Vident Investment Advisory
Georgia
$1.13M +$188K +160 +20%
KBC Group
118
KBC Group
Belgium
$1.09M – – –
Macquarie Group
119
Macquarie Group
Australia
$1.03M -$2.36K -2 -0.2%
MCIM
120
Meadow Creek Investment Management
Georgia
$1.01M – – –
Squarepoint
121
Squarepoint
New York
$1.01M +$1.01M +854 New
HMS
122
Hanseatic Management Services
New Mexico
$946K -$112K -95 -11%
CIP
123
Chartwell Investment Partners
Pennsylvania
$881K -$505K -429 -36%
AAM
124
Advisors Asset Management
Colorado
$858K +$858K +729 New
PAM
125
Paradigm Asset Management
New York
$854K +$854K +726 New
3 4
5
6 7