BLUE

bluebird bio

Delisted

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

288 hedge funds and large institutions have $9.81B invested in bluebird bio in 2019 Q1 according to their latest regulatory filings, with 65 funds opening new positions, 106 increasing their positions, 79 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
288
Holders Change
+37
Holders Change %
+14.74%
% of All Funds
6.24%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
65
Increased
106
Reduced
79
Closed
28
Calls
$141M
Puts
$87.5M
Net Calls
+$53.9M
Net Calls Change
-$26.9M
Name Holding Trade Value Shares
Change
Shares
Change %
TRSOTSOK
101
Teachers Retirement System of the State of Kentucky
Kentucky
$3.49M -$153K -75 -4%
Russell Investments Group
102
Russell Investments Group
United Kingdom
$3.47M +$371K +182 +12%
ProShare Advisors
103
ProShare Advisors
Maryland
$3.28M +$112K +55 +4%
Jane Street
104
Jane Street
New York
$3.28M +$1.14M +557 +53%
State of Wisconsin Investment Board
105
State of Wisconsin Investment Board
Wisconsin
$3.22M +$740K +363 +30%
Ohio Public Employees Retirement System (OPERS)
106
Ohio Public Employees Retirement System (OPERS)
Ohio
$3.17M +$6.11K +3 +0.2%
LP
107
LMR Partners
United Kingdom
$3.15M +$3.15M +1,544 New
PP
108
Paloma Partners
Connecticut
$3.07M +$3.07M +1,504 New
FLAM
109
First Light Asset Management
Minnesota
$2.95M -$2.25M -1,102 -43%
Citigroup
110
Citigroup
New York
$2.91M -$4.37M -2,145 -60%
WM
111
WS Management
Florida
$2.83M -$381K -187 -12%
SGH
112
Sivik Global Healthcare
Connecticut
$2.79M +$2.79M +1,367 New
KBC Group
113
KBC Group
Belgium
$2.76M -$122K -60 -4%
Fidelity International
114
Fidelity International
Bermuda
$2.74M -$764K -375 -22%
IBT
115
International Biotechnology Trust
United Kingdom
$2.68M
TMAM
116
Tokio Marine Asset Management
Japan
$2.52M
VIA
117
Vident Investment Advisory
Georgia
$2.42M -$61.2K -30 -2%
PA
118
Profund Advisors
Maryland
$2.41M +$42.8K +21 +2%
CRC
119
Curi RMB Capital
Illinois
$2.36M
Hudson Bay Capital Management
120
Hudson Bay Capital Management
Connecticut
$2.36M +$2.36M +1,158 New
PAA
121
Peregrine Asset Advisers
Oregon
$2.22M +$2.22M +1,087 New
PI
122
Putnam Investments
Massachusetts
$2.03M -$9.56M -4,692 -82%
BNP Paribas Financial Markets
123
BNP Paribas Financial Markets
France
$2.01M -$901K -442 -31%
BCM
124
BlueCrest Capital Management
Jersey
$1.98M +$1.98M +973 New
TWMP
125
Taylor Wealth Management Partners
Massachusetts
$1.98M -$10.2K -5 -0.5%