BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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247 hedge funds and large institutions have $2.78B invested in bluebird bio in 2020 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 96 increasing their positions, 75 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
247
Holders Change
-27
Holders Change %
-9.85%
% of All Funds
5.46%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
30
Increased
96
Reduced
75
Closed
55
Calls
$24.2M
Puts
$35.1M
Net Calls
-$10.9M
Net Calls Change
-$42.1M

Top Buyers

1
Victory Capital Management
Victory Capital Management
Texas
+$73.3M
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$50.9M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$46.9M
4
PIM
Platinum Investment Management
Australia
+$20.8M
5
AC
Armistice Capital
New York
+$14.3M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$112M
2
Capital World Investors
Capital World Investors
California
-$42.6M
3
Wellington Management Group
Wellington Management Group
Massachusetts
-$30.2M
4
Capital International Investors
Capital International Investors
California
-$29.4M
5
LGM
Logos Global Management
California
-$17.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
Wellington Management Group
1
Wellington Management Group
Massachusetts
$313M -$30.2M -50,782 -9%
Capital Research Global Investors
2
Capital Research Global Investors
California
$313M +$1.53M +2,569 +0.5%
Capital World Investors
3
Capital World Investors
California
$200M -$42.6M -71,492 -18%
Vanguard Group
4
Vanguard Group
Pennsylvania
$178M +$4.81M +8,081 +3%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$169M -$112M -188,502 -40%
Victory Capital Management
6
Victory Capital Management
Texas
$158M +$73.3M +123,179 +86%
Sands Capital Management
7
Sands Capital Management
Virginia
$143M -$2.6M -4,366 -2%
BlackRock
8
BlackRock
New York
$132M -$1.98M -3,321 -1%
State Street
9
State Street
Massachusetts
$70.9M +$953K +1,601 +1%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$60.1M -$16.2M -27,282 -21%
Adage Capital Partners
11
Adage Capital Partners
Massachusetts
$60M +$46.9M +78,790 +358%
Royal Bank of Canada
12
Royal Bank of Canada
Ontario, Canada
$52.1M +$50.9M +85,442 +4,180%
CC
13
Casdin Capital
New York
$50.8M +$6.2M +10,422 +14%
Citadel Advisors
14
Citadel Advisors
Florida
$49M +$12.5M +21,068 +34%
Capital International Investors
15
Capital International Investors
California
$39.5M -$29.4M -49,395 -43%
Goldman Sachs
16
Goldman Sachs
New York
$39.2M -$1.31M -2,196 -3%
TCM
17
TimesSquare Capital Management
New York
$36.1M +$10.8M +18,165 +43%
Baillie Gifford & Co
18
Baillie Gifford & Co
United Kingdom
$32M – – –
Geode Capital Management
19
Geode Capital Management
Massachusetts
$30.3M +$1.03M +1,730 +4%
AC
20
Armistice Capital
New York
$29.8M +$14.3M +24,087 +93%
HM
21
HealthCor Management
New York
$28.6M -$2.68M -4,494 -9%
First Trust Advisors
22
First Trust Advisors
Illinois
$26.6M +$575K +966 +2%
GGHC
23
Gilder Gagnon Howe & Co
New York
$25.4M +$1.99M +3,338 +8%
Nuveen Asset Management
24
Nuveen Asset Management
Illinois
$23.8M +$844K +1,417 +4%
CS
25
Credit Suisse
Switzerland
$22.6M +$6.45M +10,830 +40%
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