BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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210 hedge funds and large institutions have $4.24B invested in bluebird bio in 2017 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 56 increasing their positions, 80 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
210
Holders Change
+11
Holders Change %
+5.53%
% of All Funds
5.24%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
37
Increased
56
Reduced
80
Closed
18
Calls
$60M
Puts
$35.1M
Net Calls
+$24.8M
Net Calls Change
+$18.6M

Top Buyers

1
BlackRock
BlackRock
New York
+$289M
2
Capital World Investors
Capital World Investors
California
+$43.7M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$25.2M
4
PC
PointState Capital
New York
+$15.3M
5
1832 Asset Management
1832 Asset Management
Ontario, Canada
+$13M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$19.2M
2
DM
Deerfield Management
New York
-$17.7M
3
AG
Artal Group
Luxembourg
-$15.7M
4
FCM
Frontier Capital Management
Massachusetts
-$13.1M
5
Wells Fargo
Wells Fargo
California
-$11.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
Alyeska Investment Group
26
Alyeska Investment Group
Illinois
$25.4M -$1.55M -1,320 -6%
AG
27
Artal Group
Luxembourg
$22.7M -$15.7M -13,320 -41%
Invesco
28
Invesco
Georgia
$21M -$2.2M -1,871 -10%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$20.8M +$2M +1,699 +11%
MWNA
30
Marshall Wace North America
New York
$18M +$18M +15,275 New
PAMU
31
Pictet Asset Management (UK)
United Kingdom
$16.6M +$3.45M +2,927 +26%
CCI
32
Columbus Circle Investors
$16.1M -$6.5M -5,523 -29%
UBS AM
33
UBS AM
Illinois
$16.1M -$4.91M -4,173 -23%
Charles Schwab
34
Charles Schwab
California
$15.4M +$1.39M +1,177 +10%
PC
35
PointState Capital
New York
$15.3M +$15.3M +12,998 New
CS
36
Candriam SCA
Luxembourg
$14.6M +$2.18M +1,853 +18%
Mitsubishi UFJ Trust & Banking
37
Mitsubishi UFJ Trust & Banking
Japan
$13.7M -$579K -492 -4%
1832 Asset Management
38
1832 Asset Management
Ontario, Canada
$13M +$13M +11,318 New
TCIM
39
TIAA CREF Investment Management
New York
$12.4M -$1.04M -880 -8%
New York State Common Retirement Fund
40
New York State Common Retirement Fund
New York
$11.8M -$1.17M -995 -9%
CS
41
Credit Suisse
Switzerland
$11.6M +$2.13M +1,812 +23%
Axa
42
Axa
France
$11.3M -$662K -562 -6%
TA
43
Teachers Advisors
New York
$10.7M +$5.89K +5 +0.1%
DM
44
Deerfield Management
New York
$9.73M -$17.7M -15,051 -65%
RI
45
RTW Investments
New York
$9.42M -$1.72M -1,464 -15%
AllianceBernstein
46
AllianceBernstein
Tennessee
$7.81M +$2.6M +2,211 +50%
Dimensional Fund Advisors
47
Dimensional Fund Advisors
Texas
$7.72M +$1.52M +1,292 +25%
California Public Employees Retirement System
48
California Public Employees Retirement System
California
$7.55M -$327K -278 -4%
AIM
49
ARK Investment Management
Florida
$7.51M +$638K +542 +9%
California State Teachers Retirement System (CalSTRS)
50
California State Teachers Retirement System (CalSTRS)
California
$7.3M -$327K -278 -4%
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