BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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275 hedge funds and large institutions have $3.41B invested in bluebird bio in 2020 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 100 increasing their positions, 84 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
275
Holders Change
-3
Holders Change %
-1.08%
% of All Funds
5.56%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.02%
New
40
Increased
100
Reduced
84
Closed
42
Calls
$55.7M
Puts
$54.3M
Net Calls
+$1.4M
Net Calls Change
+$7.91M

Top Buyers

1
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$18.4M
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$14.2M
3
AC
Armistice Capital
New York
+$12.5M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$12.1M
5
GLA
Great Lakes Advisors
Illinois
+$11.9M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$42M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$25.7M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$22.9M
4
FCM
Frontier Capital Management
Massachusetts
-$19.8M
5
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$16.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
AG
126
Algert Global
California
$946K +$946K +1,353 New
VOYA Investment Management
127
VOYA Investment Management
Georgia
$891K -$25.9K -37 -3%
VRS
128
Virginia Retirement Systems
Virginia
$847K +$475K +679 +127%
MAM
129
Martingale Asset Management
Massachusetts
$842K +$43.3K +62 +5%
CAPTRUST Financial Advisors
130
CAPTRUST Financial Advisors
North Carolina
$795K +$191K +273 +32%
Stifel Financial
131
Stifel Financial
Missouri
$763K +$142K +203 +23%
Wolverine Trading
132
Wolverine Trading
Illinois
$714K -$186K -261 -21%
Macquarie Group
133
Macquarie Group
Australia
$684K -$19.6K -28 -3%
URS
134
Utah Retirement Systems
Utah
$679K +$16.1K +23 +2%
EGM
135
Engineers Gate Manager
New York
$676K -$57.3K -82 -8%
Handelsbanken Fonder
136
Handelsbanken Fonder
Sweden
$676K +$108K +154 +19%
PA
137
Profund Advisors
Maryland
$664K -$110K -158 -14%
Canada Pension Plan Investment Board
138
Canada Pension Plan Investment Board
Ontario, Canada
$658K -$237K -339 -26%
P8IP
139
Pier 88 Investment Partners
California
$657K +$113K +161 +21%
SFI
140
Susquehanna Fundamental Investments
Pennsylvania
$653K -$281K -402 -30%
BCI
141
Brinker Capital Investments
Pennsylvania
$651K +$651K +931 New
ProShare Advisors
142
ProShare Advisors
Maryland
$638K +$23.1K +33 +4%
WM
143
WS Management
Florida
$636K – – –
HAM
144
HHR Asset Management
New Jersey
$604K -$34.9K -50 -5%
Janney Montgomery Scott
145
Janney Montgomery Scott
Pennsylvania
$594K +$254K +363 +75%
IBT
146
International Biotechnology Trust
United Kingdom
$593K – – –
AB
147
Amalgamated Bank
New York
$569K +$5.59K +8 +1%
Allianz Asset Management
148
Allianz Asset Management
Germany
$564K -$584K -835 -51%
Osaic Holdings
149
Osaic Holdings
Arizona
$558K +$105K +153 +23%
ECM
150
ETrade Capital Management
Virginia
$548K +$548K +784 New
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