BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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183 hedge funds and large institutions have $456M invested in bluebird bio in 2022 Q4 according to their latest regulatory filings, with 43 funds opening new positions, 64 increasing their positions, 46 reducing their positions, and 19 closing their positions.

Holders
183
Holders Change
+21
Holders Change %
+12.96%
% of All Funds
2.95%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
43
Increased
64
Reduced
46
Closed
19
Calls
$8.47M
Puts
$4.9M
Net Calls
+$3.57M
Net Calls Change
+$1.9M

Top Buyers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$8.36M
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$6.56M
3
Voloridge Investment Management
3
Voloridge Investment Management
Florida
$8.59M
4
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$5.23M
5
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$4.33M

Top Sellers

1
TCM
1
Tang Capital Management
California
$32.1M
2
Marshall Wace
2
Marshall Wace
United Kingdom
$0
3
Millennium Management
3
Millennium Management
New York
$5M
4
Invesco
4
Invesco
Georgia
$5.61M
5
Citadel Advisors
5
Citadel Advisors
Florida
$1.68M
Name Holding Trade Value Shares
Change 		Shares
Change %
BCM
51
Bayesian Capital Management
New York
$973K +$145K +1,050 +18%
Simplex Trading
52
Simplex Trading
Illinois
$939K -$171K -1,237 -15%
RhumbLine Advisers
53
RhumbLine Advisers
Massachusetts
$896K +$52.3K +378 +6%
Los Angeles Capital Management
54
Los Angeles Capital Management
California
$873K +$873K +6,311 New
Fidelity Investments
55
Fidelity Investments
Massachusetts
$752K -$10.7K -77 -1%
ECM
56
ExodusPoint Capital Management
New York
$740K -$943K -6,809 -56%
Jennison Associates
57
Jennison Associates
New York
$737K -$105K -758 -12%
HWAM
58
Hennion & Walsh Asset Management
New Jersey
$714K +$71.2K +514 +11%
AllianceBernstein
59
AllianceBernstein
Tennessee
$695K -$144K -1,040 -17%
California State Teachers Retirement System (CalSTRS)
60
California State Teachers Retirement System (CalSTRS)
California
$693K +$482K +3,482 +228%
BC
61
Birchview Capital
Vermont
$678K – – –
HIS
62
Harvest Investment Services
Illinois
$631K +$631K +4,563 New
Belvedere Trading
63
Belvedere Trading
Illinois
$562K -$162K -1,168 -22%
State of Wisconsin Investment Board
64
State of Wisconsin Investment Board
Wisconsin
$535K +$535K +3,866 New
CSS
65
Cubist Systematic Strategies
Connecticut
$501K -$2.64M -19,065 -84%
CG
66
Colony Group
Massachusetts
$489K +$208K +1,500 +74%
Ohio Public Employees Retirement System (OPERS)
67
Ohio Public Employees Retirement System (OPERS)
Ohio
$474K +$466K +3,370 +6,127%
CANY
68
Caxton Associates (New York)
New York
$468K – – –
Russell Investments Group
69
Russell Investments Group
United Kingdom
$447K +$309K +2,236 +226%
Osaic Holdings
70
Osaic Holdings
Arizona
$415K +$262K +1,894 +171%
Wells Fargo
71
Wells Fargo
California
$393K -$287K -2,076 -42%
EFM
72
E Fund Management
China
$391K -$71.2K -514 -15%
TRCT
73
Tower Research Capital (TRC)
New York
$361K -$5.95K -43 -2%
Ameriprise
74
Ameriprise
Minnesota
$354K +$216K +1,562 +156%
MAM
75
Monaco Asset Management
Monaco
$346K -$208K -1,500 -38%
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