BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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288 hedge funds and large institutions have $8.48B invested in bluebird bio in 2018 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 108 increasing their positions, 99 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
288
Holders Change
-19
Holders Change %
-6.19%
% of All Funds
6.59%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.05%
New
37
Increased
108
Reduced
99
Closed
54
Calls
$177M
Puts
$151M
Net Calls
+$25.9M
Net Calls Change
-$69.3M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$311M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$207M
3
Capital World Investors
Capital World Investors
California
+$136M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$88.4M
5
Capital Research Global Investors
Capital Research Global Investors
California
+$72.2M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$54M
2
Millennium Management
Millennium Management
New York
-$53.8M
3
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$29.2M
4
MWNA
Marshall Wace North America
New York
-$29M
5
Citigroup
Citigroup
New York
-$26M
Name Holding Trade Value Shares
Change 		Shares
Change %
WMSA
151
Weiss Multi-Strategy Advisers
New York
$949K +$949K +502 New
SOADOR
152
State of Alaska Department of Revenue
Alaska
$922K +$77.5K +41 +9%
Teacher Retirement System of Texas
153
Teacher Retirement System of Texas
Texas
$919K -$562K -297 -38%
WC
154
Woodstock Corp
Massachusetts
$916K – – –
KAM
155
Kazazian Asset Management
Florida
$915K +$274K +145 +43%
GHCM
156
Glen Harbor Capital Management
California
$895K -$316K -167 -26%
Man Group
157
Man Group
United Kingdom
$891K +$436K +231 +96%
Credit Agricole
158
Credit Agricole
France
$864K +$35.9K +19 +4%
SCM
159
Stevens Capital Management
Pennsylvania
$847K +$847K +448 New
Mirae Asset Global Investments
160
Mirae Asset Global Investments
South Korea
$832K +$304K +161 +58%
Canada Life
161
Canada Life
Manitoba, Canada
$808K – – –
SAM
162
Shell Asset Management
Netherlands
$785K – – –
CI
163
Capital International
California
$774K -$1.28M -679 -62%
Federated Hermes
164
Federated Hermes
Pennsylvania
$730K +$291K +154 +66%
LPL Financial
165
LPL Financial
California
$717K -$73.8K -39 -9%
GAM
166
Gotham Asset Management
New York
$710K -$157K -83 -18%
MCIM
167
Meadow Creek Investment Management
Georgia
$703K -$248K -131 -26%
BCA
168
Bay Colony Advisors
Massachusetts
$686K -$117K -62 -15%
VRS
169
Virginia Retirement Systems
Virginia
$672K -$73.8K -39 -10%
CG
170
Cutler Group
California
$671K -$650K -344 -49%
DBIA
171
Dumont & Blake Investment Advisors
New Jersey
$657K +$13.3K +7 +2%
US Bancorp
172
US Bancorp
Minnesota
$632K +$41.6K +22 +7%
Zurich Cantonal Bank
173
Zurich Cantonal Bank
Switzerland
$594K +$20.8K +11 +4%
WEC
174
Winslow Evans & Crocker
Massachusetts
$556K +$28.5K +15 +5%
FCM
175
Flinton Capital Management
Pennsylvania
$512K -$179K -95 -26%
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