BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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169 hedge funds and large institutions have $2.74B invested in bluebird bio in 2014 Q4 according to their latest regulatory filings, with 59 funds opening new positions, 53 increasing their positions, 42 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
169
Holders Change
+46
Holders Change %
+37.4%
% of All Funds
4.51%
Holding in Top 10
7
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+133.33%
% of All Funds
0.19%
New
59
Increased
53
Reduced
42
Closed
11
Calls
$43.4M
Puts
$14.5M
Net Calls
+$28.8M
Net Calls Change
+$16.1M

Top Buyers

1
Capital World Investors
Capital World Investors
California
$75M
2
O
OppenheimerFunds
New York
$69M
3
FCM
Frontier Capital Management
Massachusetts
$43.8M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$139M
5
Fidelity Investments
Fidelity Investments
Massachusetts
$433M

Top Sellers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
$4.08M
2
DM
Deerfield Management
New York
$78M
3
RCM
RA Capital Management
Massachusetts
$46.4M
4
QF
QVT Financial
New York
$14.9M
5
State Street
State Street
Massachusetts
$49.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
MFS
151
MSI Financial Services
Massachusetts
$73K -$19.1K -16 -21%
US Bancorp
152
US Bancorp
Minnesota
$73K +$73K +62 New
BlackRock
153
BlackRock
New York
$71K -$2.58M -2,181 -97%
QT
154
Quantbot Technologies
New York
$56K +$56K +47 New
Teacher Retirement System of Texas
155
Teacher Retirement System of Texas
Texas
$55K -$9.57K -8 -15%
BPBT
156
Boston Private Bank & Trust
Massachusetts
$55K – – –
MCM
157
Mazama Capital Management
Oregon
$33K -$1.38M -1,133 -98%
ClearBridge Investments
158
ClearBridge Investments
New York
$30K – – –
CSS
159
Cubist Systematic Strategies
Connecticut
$23K +$23K +20 New
Credit Agricole
160
Credit Agricole
France
$19K – – –
NFG
161
Next Financial Group
Texas
$18K – – –
TRCT
162
Tower Research Capital (TRC)
New York
$17K +$17K +14 New
BJ
163
BlackRock Japan
Japan
$14K +$14K +12 New
IF
164
Ironwood Financial
Arizona
$11K +$11K +10 New
WA
165
Winfield Associates
Ohio
$9K – – –
Creative Planning
166
Creative Planning
Kansas
$6K +$6K +5 New
LTFS
167
Ladenburg Thalmann Financial Services
Florida
$5K – – –
TDC
168
Thompson Davis & Co
Virginia
$3K -$131K -131 -98%
Manulife (Manufacturers Life Insurance)
169
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.26K -$45 -38 -3%
HLA
170
Hamilton Lane Advisors
Pennsylvania
– -$3.96M -8,510 Closed
AC
171
Ascend Capital
California
– -$3.23M -6,948 Closed
Alyeska Investment Group
172
Alyeska Investment Group
Illinois
– -$3.15M -6,767 Closed
SFM
173
Sphera Funds Management
Israel
– -$1.92M -4,123 Closed
SM
174
Sabby Management
Florida
– -$882 -1,897 Closed
AP
175
AlpInvest Partners
Netherlands
– -$845K -1,817 Closed
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