BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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151 hedge funds and large institutions have $228M invested in bluebird bio in 2022 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 54 increasing their positions, 41 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
151
Holders Change
-23
Holders Change %
-13.22%
% of All Funds
2.55%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
26
Increased
54
Reduced
41
Closed
45
Calls
$1.84M
Puts
$4.53M
Net Calls
-$2.69M
Net Calls Change
-$1.56M

Top Buyers

1
TCM
1
Tang Capital Management
California
$24.5M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$11.6M
3
Millennium Management
3
Millennium Management
New York
$10.3M
4
Citadel Advisors
4
Citadel Advisors
Florida
$4.13M
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$3.38M

Top Sellers

1
State Street
1
State Street
Massachusetts
$7.56M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$14.5M
3
Morgan Stanley
3
Morgan Stanley
New York
$2.69M
4
UBS Group
4
UBS Group
Switzerland
$12K
5
Rafferty Asset Management
5
Rafferty Asset Management
New York
$1.09M
Name Holding Trade Value Shares
Change 		Shares
Change %
Two Sigma Investments
26
Two Sigma Investments
New York
$2.13M -$1.26M -15,205 -37%
Dimensional Fund Advisors
27
Dimensional Fund Advisors
Texas
$1.83M -$859K -10,362 -32%
Qube Research & Technologies (QRT)
28
Qube Research & Technologies (QRT)
United Kingdom
$1.68M +$1.14M +13,751 +211%
E
29
Ergoteles
New York
$1.6M +$1.28M +15,475 +403%
Nuveen Asset Management
30
Nuveen Asset Management
Illinois
$1.35M -$589K -7,112 -30%
Mirae Asset Global Investments
31
Mirae Asset Global Investments
South Korea
$1.3M +$405K +4,891 +45%
MAM
32
Monaco Asset Management
Monaco
$1.27M +$1.27M +15,307 New
Bank of New York Mellon
33
Bank of New York Mellon
New York
$1.23M +$103K +1,251 +9%
Jane Street
34
Jane Street
New York
$1.22M +$1.01M +12,220 +499%
Rafferty Asset Management
35
Rafferty Asset Management
New York
$1.09M -$2.97M -35,843 -73%
Two Sigma Advisers
36
Two Sigma Advisers
New York
$1M -$1.25M -15,040 -55%
CANY
37
Caxton Associates (New York)
New York
$911K +$773K +9,339 +560%
Charles Schwab
38
Charles Schwab
California
$787K +$33.5K +405 +4%
Invesco
39
Invesco
Georgia
$777K +$117K +1,418 +18%
BNP Paribas Financial Markets
40
BNP Paribas Financial Markets
France
$770K -$304K -3,671 -28%
Tudor Investment Corp
41
Tudor Investment Corp
Connecticut
$728K +$4.89K +59 +0.7%
ECM
42
ExodusPoint Capital Management
New York
$715K +$430K +5,193 +151%
Simplex Trading
43
Simplex Trading
Illinois
$606K +$520K +6,284 +604%
Jacobs Levy Equity Management
44
Jacobs Levy Equity Management
New Jersey
$545K -$1.09M -13,146 -67%
AllianceBernstein
45
AllianceBernstein
Tennessee
$534K +$317K +3,834 +147%
Barclays
46
Barclays
United Kingdom
$472K +$28K +338 +6%
Belvedere Trading
47
Belvedere Trading
Illinois
$463K +$302K +3,146 +187%
Fidelity Investments
48
Fidelity Investments
Massachusetts
$443K +$5.62K +68 +1%
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$440K +$68.1K +822 +18%
BC
50
Birchview Capital
Vermont
$406K +$58K +700 +17%
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