BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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195 hedge funds and large institutions have $2.53B invested in bluebird bio in 2015 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 86 increasing their positions, 49 reducing their positions, and 41 closing their positions.

Holders
195
Holders Change
+3
Holders Change %
+1.56%
% of All Funds
5.12%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.08%
New
46
Increased
86
Reduced
49
Closed
41
Calls
$39.2M
Puts
$52M
Net Calls
-$12.8M
Net Calls Change
-$8.29M

Top Buyers

1
Capital World Investors
1
Capital World Investors
California
$133M
2
PHS
2
PFM Health Sciences
California
$42.9M
3
Jennison Associates
3
Jennison Associates
New York
$55.5M
4
State Street
4
State Street
Massachusetts
$61.3M
5
Ameriprise
5
Ameriprise
Minnesota
$32.3M

Top Sellers

1
Viking Global Investors
1
Viking Global Investors
Connecticut
$0
2
DM
2
Deerfield Management
New York
$0
3
First Trust Advisors
3
First Trust Advisors
Illinois
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$0
5
Lord, Abbett & Co
5
Lord, Abbett & Co
New Jersey
$0
Name Market Value Shares Shares
Change 		Shares
Change %
CWM
101
Cabot Wealth Management
Massachusetts
$1.39M 21,614 -12,581 -37%
Principal Financial Group
102
Principal Financial Group
Iowa
$1.32M 20,534 -31 -0.2%
WJA
103
Williams Jones & Associates
New York
$1.29M 20,110 -33,480 -62%
RSCM
104
Rock Springs Capital Management
Maryland
$1.28M 20,000 -25,000 -56%
WC
105
Woodstock Corp
Massachusetts
$1.26M 19,611 – –
AllianceBernstein
106
AllianceBernstein
Tennessee
$1.24M 19,320 -200 -1%
NIP
107
Nicholas Investment Partners
California
$1.18M 18,329 -12,258 -40%
BA
108
BlackRock Advisors
Delaware
$1.13M 17,624 +9,398 +114%
BIM
109
BlackRock Investment Management
Delaware
$1.12M 17,389 -146 -0.8%
Ohio Public Employees Retirement System (OPERS)
110
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.11M 17,256 -134 -0.8%
BJL
111
Brighton Jones LLC
Washington
$1.07M 16,582 -1,988 -11%
EIM
112
Essex Investment Management
Massachusetts
$1.05M 16,297 -161 -1%
VOYA Investment Management
113
VOYA Investment Management
Georgia
$1.01M 15,771 -465 -3%
Allianz Asset Management
114
Allianz Asset Management
Germany
$1M 15,510 -700 -4%
BF
115
BOK Financial
Oklahoma
$979K 15,242 +15,242 New
PPA
116
Parametric Portfolio Associates
Washington
$927K 14,440 +6,167 +75%
VIA
117
Vident Investment Advisory
Georgia
$789K 12,285 +12,285 New
CCMH
118
Cornerstone Capital Management Holdings
New York
$738K 11,492 -2,840 -20%
PIM
119
Partner Investment Management
California
$721K 11,228 +11,228 New
FO
120
FT Options
Illinois
$644K 10,021 +10,021 New
FT
121
Fiduciary Trust
Massachusetts
$642K 10,000 +1,000 +11%
NI
122
Numeric Investors
Massachusetts
$584K 9,100 +2,600 +40%
LCM
123
Landscape Capital Management
New Jersey
$571K 8,885 +8,885 New
PAMU
124
Pictet Asset Management (UK)
United Kingdom
$546K 8,500 +8,500 New
IRF
125
IBM Retirement Fund
New York
$534K 8,312 +8,312 New
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