BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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241 hedge funds and large institutions have $5.17B invested in bluebird bio in 2017 Q2 according to their latest regulatory filings, with 50 funds opening new positions, 95 increasing their positions, 66 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
241
Holders Change
+31
Holders Change %
+14.76%
% of All Funds
6.02%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.1%
New
50
Increased
95
Reduced
66
Closed
19
Calls
$109M
Puts
$49M
Net Calls
+$59.7M
Net Calls Change
+$34.8M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$63.1M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$61.7M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$51.8M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$36.1M
5
CAM
Cormorant Asset Management
Massachusetts
+$28.9M

Top Sellers

1
Franklin Resources
Franklin Resources
California
-$50.4M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$25.4M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$21.1M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$16.6M
5
State Street
State Street
Massachusetts
-$16.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
JGC
151
J. Goldman & Co
New York
$772K -$994K -730 -56%
CGL
152
Clarius Group LLC
Washington
$765K -$53.1K -39 -6%
Public Employees Retirement Association of Colorado
153
Public Employees Retirement Association of Colorado
Colorado
$748K – – –
Two Sigma Advisers
154
Two Sigma Advisers
New York
$693K +$693K +510 New
PM
155
Parametrica Management
Hong Kong
$655K +$655K +481 New
Mirae Asset Global Investments
156
Mirae Asset Global Investments
South Korea
$593K +$31.3K +23 +6%
CA
157
Commerzbank Aktiengesellschaft
Germany
$585K -$95.2K -70 -14%
AB
158
Amalgamated Bank
New York
$550K +$17.7K +13 +3%
BNP Paribas Financial Markets
159
BNP Paribas Financial Markets
France
$537K +$450K +331 +517%
AG
160
Aperio Group
California
$525K +$51.7K +38 +11%
NPC
161
National Planning Corporation
California
$517K +$54.6K +40 +12%
ARTA
162
A.R.T. Advisors
New York
$504K +$504K +371 New
Royal Bank of Canada
163
Royal Bank of Canada
Ontario, Canada
$498K -$309K -227 -38%
PAM
164
Paradigm Asset Management
New York
$483K -$505K -371 -51%
BCM
165
BlueCrest Capital Management
Jersey
$479K +$479K +352 New
Canada Life
166
Canada Life
Manitoba, Canada
$473K – – –
DBIA
167
Dumont & Blake Investment Advisors
New Jersey
$473K +$473K +347 New
Tudor Investment Corp
168
Tudor Investment Corp
Connecticut
$436K +$436K +320 New
WS
169
Wedbush Securities
California
$418K -$28.6K -21 -6%
AGU
170
Alpine Group USVI
U.S. Virgin Islands
$410K +$410K +301 New
AGM
171
Alpine Global Management
New York
$410K +$410K +301 New
Prudential Financial
172
Prudential Financial
New Jersey
$408K +$16.3K +12 +4%
AIP
173
Ameritas Investment Partners
Nebraska
$378K +$20.4K +15 +6%
DCM
174
Dupont Capital Management
Delaware
$371K – – –
Nuveen Asset Management
175
Nuveen Asset Management
Illinois
$363K -$1.24M -910 -77%
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