BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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174 hedge funds and large institutions have $303M invested in bluebird bio in 2022 Q1 according to their latest regulatory filings, with 36 funds opening new positions, 54 increasing their positions, 45 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
174
Holders Change
+2
Holders Change %
+1.16%
% of All Funds
2.75%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
36
Increased
54
Reduced
45
Closed
32
Calls
$961K
Puts
$2.09M
Net Calls
-$1.13M
Net Calls Change
+$601K

Top Buyers

1
State Street
State Street
Massachusetts
$63.8M
2
TCM
Tang Capital Management
California
$7.52M
3
Morgan Stanley
Morgan Stanley
New York
$7.63M
4
Renaissance Technologies
Renaissance Technologies
New York
$4.56M
5
Voloridge Investment Management
Voloridge Investment Management
Florida
$4.18M

Top Sellers

1
First Trust Advisors
First Trust Advisors
Illinois
$0
2
AC
Armistice Capital
New York
$0
3
SC
Sessa Capital
New York
$0
4
Vanguard Group
Vanguard Group
Pennsylvania
$28.7M
5
BCLSI
Bain Capital Life Sciences Investors
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Jacobs Levy Equity Management
26
Jacobs Levy Equity Management
New Jersey
$1.91M -$35.5K -366 -2%
Osaic Holdings
27
Osaic Holdings
Arizona
$1.87M +$312K +181 +20%
Susquehanna International Group
28
Susquehanna International Group
Pennsylvania
$1.62M -$158K -1,624 -9%
OQS
29
Occudo Quantitative Strategies
Florida
$1.56M +$1.56M +16,046 New
PAMS
30
Pictet Asset Management (Switzerland)
Switzerland
$1.49M +$357K +3,678 +32%
Bank of New York Mellon
31
Bank of New York Mellon
New York
$1.32M +$14.4K +148 +1%
PI
32
Putnam Investments
Massachusetts
$1.27M +$221K +2,278 +21%
BNP Paribas Financial Markets
33
BNP Paribas Financial Markets
France
$1.26M -$183K -1,884 -13%
Capital Fund Management (CFM)
34
Capital Fund Management (CFM)
France
$1.25M +$761K +7,847 +155%
PPA
35
Parametric Portfolio Associates
Washington
$1.17M +$614K +6,335 +111%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
36
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.08M +$1.08M +11,145 New
Mirae Asset Global Investments
37
Mirae Asset Global Investments
South Korea
$1.04M -$224K -2,307 -18%
SSA
38
Schonfeld Strategic Advisors
New York
$993K +$939K +9,680 +1,744%
Citigroup
39
Citigroup
New York
$919K -$1.54M -15,898 -63%
Charles Schwab
40
Charles Schwab
California
$883K +$23.8K +245 +3%
Tudor Investment Corp
41
Tudor Investment Corp
Connecticut
$847K +$847K +8,732 New
Swiss National Bank
42
Swiss National Bank
Switzerland
$804K +$81K +835 +11%
Citadel Advisors
43
Citadel Advisors
Florida
$786K +$709K +7,309 +917%
Invesco
44
Invesco
Georgia
$773K +$407K +4,191 +111%
QOP
45
Quinn Opportunity Partners
Virginia
$683K -$48.5K -500 -7%
Swedbank
46
Swedbank
Sweden
$655K – – –
Qube Research & Technologies (QRT)
47
Qube Research & Technologies (QRT)
United Kingdom
$632K +$632K +6,515 New
Walleye Capital
48
Walleye Capital
New York
$629K +$580K +5,981 +1,184%
CSS
49
Cubist Systematic Strategies
Connecticut
$585K +$585K +6,030 New
Barclays
50
Barclays
United Kingdom
$521K +$123K +1,265 +31%
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