BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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199 hedge funds and large institutions have $2.88B invested in bluebird bio in 2016 Q4 according to their latest regulatory filings, with 31 funds opening new positions, 90 increasing their positions, 58 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
199
Holders Change
-1
Holders Change %
-0.5%
% of All Funds
4.98%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.08%
New
31
Increased
90
Reduced
58
Closed
30
Calls
$50.2M
Puts
$44M
Net Calls
+$6.24M
Net Calls Change
+$12.3M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$188M
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$291M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$376M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$190M
5
BFA
5
BlackRock Fund Advisors
California
$112M

Top Sellers

1
O
1
OrbiMed
New York
$17.5M
2
Millennium Management
2
Millennium Management
New York
$0
3
PC
3
Passport Capital
California
$0
4
Franklin Resources
4
Franklin Resources
California
$57.1M
5
EA
5
Emerald Advisers
Pennsylvania
$10.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
PAG
151
Private Advisor Group
New Jersey
$229K -$19.4K -23 -8%
VEA
152
Virtus ETF Advisers
New York
$226K -$154K -193 -41%
PAM
153
Princeton Alpha Management
New Jersey
$220K -$157K -197 -42%
TRCT
154
Tower Research Capital (TRC)
New York
$219K +$210K +263 +2,391%
Canada Life
155
Canada Life
Manitoba, Canada
$218K -$80.4K -100 -27%
Royal Bank of Canada
156
Royal Bank of Canada
Ontario, Canada
$216K -$243K -304 -53%
CL
157
Croft-Leominster
Maryland
$215K -$406K -463 Closed
AIP
158
Ameritas Investment Partners
Nebraska
$210K +$12.8K +16 +6%
CWG
159
C WorldWide Group
Denmark
$199K -$295K -369 -60%
WEC
160
Winslow Evans & Crocker
Massachusetts
$197K +$31.2K +39 +19%
ST
161
Spot Trading
Illinois
$197K -$573K -715 -74%
BNP Paribas Financial Markets
162
BNP Paribas Financial Markets
France
$177K -$13.6K -17 -7%
WA
163
Winfield Associates
Ohio
$164K -$52.8K -66 -24%
AIM
164
Advantage Investment Management
Iowa
$159K +$8.79K +11 +6%
FMT
165
First Mercantile Trust
Tennessee
$156K +$38.4K +48 +33%
PAM
166
Panagora Asset Management
Massachusetts
$137K -$1.62M -2,037 -92%
Zurich Cantonal Bank
167
Zurich Cantonal Bank
Switzerland
$133K -$3.04M -3,799 -96%
Bank of Montreal
168
Bank of Montreal
Ontario, Canada
$124K +$88.9K +114 +253%
HCM
169
Highlander Capital Management
New Jersey
$93K – – –
CLOS
170
Compagnie Lombard Odier SCmA
Switzerland
$71K – – –
DADC
171
D.A. Davidson & Co
Montana
$70K +$15.7K +20 +29%
PNC Financial Services Group
172
PNC Financial Services Group
Pennsylvania
$66K -$15.5K -19 -19%
ClearBridge Investments
173
ClearBridge Investments
New York
$61K +$803 +1 +1%
CSS
174
Cubist Systematic Strategies
Connecticut
$43K +$24.7K +31 +135%
Nisa Investment Advisors
175
Nisa Investment Advisors
Missouri
$25K -$6.45K -8 -21%
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