BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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241 hedge funds and large institutions have $5.17B invested in bluebird bio in 2017 Q2 according to their latest regulatory filings, with 50 funds opening new positions, 95 increasing their positions, 66 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
241
Holders Change
+31
Holders Change %
+14.76%
% of All Funds
6.02%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.1%
New
50
Increased
95
Reduced
66
Closed
19
Calls
$109M
Puts
$49M
Net Calls
+$59.7M
Net Calls Change
+$34.8M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$63.1M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$61.7M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$51.8M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$36.1M
5
CAM
Cormorant Asset Management
Massachusetts
+$28.9M

Top Sellers

1
Franklin Resources
Franklin Resources
California
-$50.4M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$25.4M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$21.1M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$16.6M
5
State Street
State Street
Massachusetts
-$16.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
CAM
26
Cormorant Asset Management
Massachusetts
$28.9M +$28.9M +21,230 New
Deutsche Bank
27
Deutsche Bank
Germany
$27.1M -$4.57M -3,357 -14%
AG
28
Artal Group
Luxembourg
$26.3M – – –
TA
29
Teachers Advisors
New York
$26.2M +$13.9M +10,206 +113%
UBS AM
30
UBS AM
Illinois
$24.8M +$6.21M +4,564 +33%
Bank of New York Mellon
31
Bank of New York Mellon
New York
$24M -$58.5K -43 -0.2%
VOYA Investment Management
32
VOYA Investment Management
Georgia
$22.8M +$21.1M +15,541 +1,251%
TCIM
33
TIAA CREF Investment Management
New York
$22.7M +$8.36M +6,144 +58%
LCM
34
Laurion Capital Management
New York
$21.1M +$21.1M +15,506 New
EA
35
Emerald Advisers
Pennsylvania
$20.6M +$13.9M +10,212 +207%
Charles Schwab
36
Charles Schwab
California
$18.4M +$597K +439 +3%
Invesco
37
Invesco
Georgia
$17.2M -$7.02M -5,162 -29%
EMFAT
38
Emerald Mutual Fund Advisers Trust
Pennsylvania
$16M +$11.6M +8,529 +265%
New York State Common Retirement Fund
39
New York State Common Retirement Fund
New York
$15.6M +$1.95M +1,431 +14%
Mitsubishi UFJ Trust & Banking
40
Mitsubishi UFJ Trust & Banking
Japan
$15.3M -$509K -374 -3%
1832 Asset Management
41
1832 Asset Management
Ontario, Canada
$14.7M -$412K -309 -3%
Voloridge Investment Management
42
Voloridge Investment Management
Florida
$13.9M +$5.82M +4,279 +72%
PAMU
43
Pictet Asset Management (UK)
United Kingdom
$13.3M -$491K -503 -4%
MIM
44
Monashee Investment Management
Massachusetts
$13.1M +$13.1M +9,650 New
AIM
45
ARK Investment Management
Florida
$12.6M +$3.89M +2,858 +45%
Morgan Stanley
46
Morgan Stanley
New York
$11.2M +$2.94M +2,161 +36%
Dimensional Fund Advisors
47
Dimensional Fund Advisors
Texas
$11.2M +$2.23M +1,639 +25%
QIM
48
Quantitative Investment Management
Virginia
$11M +$10.2M +7,466 +1,195%
RI
49
RTW Investments
New York
$11M +$80.3K +59 +0.7%
CS
50
Candriam SCA
Luxembourg
$10.3M -$6.62M -4,863 -39%
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