BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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176 hedge funds and large institutions have $309M invested in bluebird bio in 2023 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 70 increasing their positions, 41 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
176
Holders Change
-7
Holders Change %
-3.83%
% of All Funds
2.82%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
24
Increased
70
Reduced
41
Closed
31
Calls
$3.48M
Puts
$3.97M
Net Calls
-$489K
Net Calls Change
-$4.06M

Top Buyers

1
TCM
Tang Capital Management
California
$31.4M
2
State Street
State Street
Massachusetts
$56.5M
3
PHS
PFM Health Sciences
California
$14.6M
4
DM
Deerfield Management
New York
$6.92M
5
PAMS
Pictet Asset Management (Switzerland)
Switzerland
$9.87M

Top Sellers

1
Adage Capital Partners
Adage Capital Partners
Massachusetts
$0
2
Nuveen Asset Management
Nuveen Asset Management
Illinois
$936K
3
HF
HRT Financial
New York
$0
4
Invesco
Invesco
Georgia
$275K
5
WP
Woodline Partners
California
$2.51M
Name Holding Trade Value Shares
Change 		Shares
Change %
Point72 Asset Management
26
Point72 Asset Management
Connecticut
$2.82M -$1.03M -16,119 -27%
WP
27
Woodline Partners
California
$2.51M -$1.6M -25,139 -39%
Qube Research & Technologies (QRT)
28
Qube Research & Technologies (QRT)
United Kingdom
$2.33M +$584K +9,177 +33%
SI
29
Sofinnova Investments
California
$2.14M +$2.14M +33,641 New
BNP Paribas Financial Markets
30
BNP Paribas Financial Markets
France
$1.95M +$1.28M +20,132 +192%
Squarepoint
31
Squarepoint
New York
$1.93M -$1.07M -16,769 -36%
Barclays
32
Barclays
United Kingdom
$1.77M -$46.1K -725 -3%
UBS Group
33
UBS Group
Switzerland
$1.74M -$429K -6,749 -20%
ECM
34
Endurant Capital Management
California
$1.67M +$1.67M +26,253 New
Morgan Stanley
35
Morgan Stanley
New York
$1.65M -$998K -15,691 -38%
Jane Street
36
Jane Street
New York
$1.63M +$541K +8,504 +49%
IC
37
Ikarian Capital
Texas
$1.31M -$1.27M -20,000 -49%
Bank of New York Mellon
38
Bank of New York Mellon
New York
$1.27M +$161K +2,538 +15%
Mirae Asset Global Investments
39
Mirae Asset Global Investments
South Korea
$1.23M +$205K +3,229 +20%
Tudor Investment Corp
40
Tudor Investment Corp
Connecticut
$1.03M -$229K -3,595 -18%
PAM
41
Panagora Asset Management
Massachusetts
$1.02M +$269K +4,222 +35%
Wells Fargo
42
Wells Fargo
California
$997K +$816K +12,832 +451%
Hudson Bay Capital Management
43
Hudson Bay Capital Management
Connecticut
$954K +$811K +12,750 +567%
PA
44
Profund Advisors
Maryland
$945K +$945K +14,851 New
Nuveen Asset Management
45
Nuveen Asset Management
Illinois
$936K -$2.51M -39,508 -73%
Simplex Trading
46
Simplex Trading
Illinois
$894K +$463K +7,285 +107%
MS
47
Maven Securities
Jersey
$795K +$795K +12,500 New
EGM
48
Engineers Gate Manager
New York
$747K +$747K +11,741 New
Charles Schwab
49
Charles Schwab
California
$742K +$34.9K +549 +5%
Wellington Management Group
50
Wellington Management Group
Massachusetts
$733K -$20.7K -325 -3%
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