BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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148 hedge funds and large institutions have $78.3M invested in bluebird bio in 2024 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 37 increasing their positions, 47 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
148
Holders Change
-8
Holders Change %
-5.13%
% of All Funds
2.15%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
23
Increased
37
Reduced
47
Closed
30
Calls
$758K
Puts
$1.25M
Net Calls
-$495K
Net Calls Change
+$517K

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
$1.22M
2
Deutsche Bank
Deutsche Bank
Germany
$1.15M
3
State Street
State Street
Massachusetts
$3.74M
4
SXL
Summit X LLC
Missouri
$577K
5
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$327K

Top Sellers

1
GIM
Granahan Investment Management
Massachusetts
$0
2
TCM
Tang Capital Management
California
$0
3
PHS
PFM Health Sciences
California
$0
4
FLSM
Frazier Life Sciences Management
California
$0
5
Two Sigma Investments
Two Sigma Investments
New York
$894K
Name Holding Trade Value Shares
Change 		Shares
Change %
SXL
26
Summit X LLC
Missouri
$577K +$350K +17,634 +153%
Charles Schwab
27
Charles Schwab
California
$545K +$31.2K +1,586 +6%
Morgan Stanley
28
Morgan Stanley
New York
$508K -$751K -38,141 -60%
Mirae Asset Global ETFs Holdings
29
Mirae Asset Global ETFs Holdings
Hong Kong
$450K +$450K +22,871 New
Nuveen Asset Management
30
Nuveen Asset Management
Illinois
$403K – – –
Goldman Sachs
31
Goldman Sachs
New York
$401K -$269K -13,668 -40%
GCM
32
Graham Capital Management
Connecticut
$356K -$3.6K -183 -1%
Walleye Capital
33
Walleye Capital
New York
$329K -$442K -22,466 -57%
Jacobs Levy Equity Management
34
Jacobs Levy Equity Management
New Jersey
$327K +$327K +16,635 New
Group One Trading
35
Group One Trading
Illinois
$317K -$198K -10,050 -38%
Simplex Trading
36
Simplex Trading
Illinois
$307K +$51.1K +2,604 +20%
BC
37
Birchview Capital
Vermont
$306K -$9.84K -500 -3%
AllianceBernstein
38
AllianceBernstein
Tennessee
$290K +$124K +6,277 +74%
RhumbLine Advisers
39
RhumbLine Advisers
Massachusetts
$288K +$58.3K +2,961 +25%
Legal & General Group
40
Legal & General Group
United Kingdom
$280K -$53.5K -2,716 -16%
VF
41
Virtu Financial
New York
$273K +$273K +13,889 New
BCM
42
Bridgeway Capital Management
Texas
$251K +$54.1K +2,750 +28%
Balyasny Asset Management
43
Balyasny Asset Management
Illinois
$223K +$223K +11,350 New
OIC
44
Orion Investment Company
Missouri
$222K +$222K +11,288 New
Citadel Advisors
45
Citadel Advisors
Florida
$205K -$1.12K -57 -0.5%
LPL Financial
46
LPL Financial
California
$189K -$36.9K -1,874 -16%
CAPTRUST Financial Advisors
47
CAPTRUST Financial Advisors
North Carolina
$158K -$155K -7,871 -50%
IWC
48
Integrated Wealth Concepts
Massachusetts
$145K -$1.48K -75 -1%
Focus Partners Wealth
49
Focus Partners Wealth
Massachusetts
$116K +$2.09K +106 +2%
D.E. Shaw & Co
50
D.E. Shaw & Co
New York
$115K -$555K -28,204 -83%
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