BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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167 hedge funds and large institutions have $272M invested in bluebird bio in 2023 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 52 increasing their positions, 46 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
167
Holders Change
-7
Holders Change %
-4.02%
% of All Funds
2.66%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
16
Increased
52
Reduced
46
Closed
22
Calls
$4.45M
Puts
$5.56M
Net Calls
-$1.11M
Net Calls Change
+$732K

Top Buyers

1
Ameriprise
Ameriprise
Minnesota
$7M
2
WP
Woodline Partners
California
$8.3M
3
CIM
Contrarius Investment Management
Jersey
$3.98M
4
BL
Bleichroeder LP
New York
$2.74M
5
JFG
Jefferies Financial Group
New York
$2.23M

Top Sellers

1
State Street
State Street
Massachusetts
$38.5M
2
TCM
Tang Capital Management
California
$13M
3
PHS
PFM Health Sciences
California
$18.4M
4
Walleye Capital
Walleye Capital
New York
$0
5
Bank of America
Bank of America
North Carolina
$3.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
HWM
151
HighMark Wealth Management
Minnesota
$699 – – –
BC
152
Barrett & Company
Rhode Island
$608 – – –
AWM
153
Avior Wealth Management
Nebraska
$608 +$608 +10 New
Northwestern Mutual Wealth Management
154
Northwestern Mutual Wealth Management
Wisconsin
$532 – – –
LC
155
Lindbrook Capital
California
$496 -$434 -7 -47%
QCG
156
Quadrant Capital Group
Ohio
$460 – – –
HT
157
Headlands Technologies
Illinois
$441 -$19.3K -306 -98%
TC
158
Truvestments Capital
Florida
$380 – – –
BWAM
159
Boyd Watterson Asset Management
Ohio
$377 – – –
FFA
160
Fairfield Financial Advisors
Massachusetts
$182 – – –
DJSG
161
D.J. St. Germain
Massachusetts
$173 – – –
GRP
162
Global Retirement Partners
California
$134 – – –
TFM
163
TFC Financial Management
Massachusetts
$128 – – –
EARNEST Partners
164
EARNEST Partners
Georgia
$79 – – –
LFG
165
Larson Financial Group
Missouri
$73 – – –
SA
166
SRH Advisors
Kansas
$55 – – –
PA
167
Parallel Advisors
California
$27 -$122 -2 Closed
Walleye Capital
168
Walleye Capital
New York
– -$2.75M -41,838 Closed
IC
169
Ikarian Capital
Texas
– -$1.36M -20,631 Closed
CSS
170
Cubist Systematic Strategies
Connecticut
– -$1.23M -18,674 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
171
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– -$1.16M -17,650 Closed
Two Sigma Investments
172
Two Sigma Investments
New York
– -$555K -8,430 Closed
GCM
173
Ghisallo Capital Management
Massachusetts
– -$329K -5,000 Closed
Los Angeles Capital Management
174
Los Angeles Capital Management
California
– -$320K -4,857 Closed
GCM
175
Graham Capital Management
Connecticut
– -$313K -4,753 Closed
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