BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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251 hedge funds and large institutions have $6.04B invested in bluebird bio in 2018 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 98 increasing their positions, 76 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
251
Holders Change
-37
Holders Change %
-12.85%
% of All Funds
5.6%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
37
Increased
98
Reduced
76
Closed
73
Calls
$169M
Puts
$88.3M
Net Calls
+$80.8M
Net Calls Change
+$54.9M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$300M
2
Capital International Investors
Capital International Investors
California
+$178M
3
Fiera Capital (Canada)
Fiera Capital (Canada)
Quebec, Canada
+$33M
4
Capital World Investors
Capital World Investors
California
+$28.5M
5
Two Sigma Investments
Two Sigma Investments
New York
+$25.3M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$137M
2
RG
Redmile Group
California
-$36.8M
3
Bank of New York Mellon
Bank of New York Mellon
New York
-$35.3M
4
MCM
Masters Capital Management
Georgia
-$30.7M
5
AllianceBernstein
AllianceBernstein
Tennessee
-$27.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$814M +$7.98M +6,212 +1%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$733M +$300M +233,468 +69%
Capital Research Global Investors
3
Capital Research Global Investors
California
$665M +$6.46M +5,027 +1%
Capital International Investors
4
Capital International Investors
California
$501M +$178M +138,198 +55%
Vanguard Group
5
Vanguard Group
Pennsylvania
$476M +$17.6M +13,675 +4%
Baillie Gifford & Co
6
Baillie Gifford & Co
United Kingdom
$449M -$11.3M -8,832 -2%
Capital World Investors
7
Capital World Investors
California
$368M +$28.5M +22,164 +8%
BlackRock
8
BlackRock
New York
$296M +$3.38M +2,629 +1%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$126M -$137M -106,955 -52%
State Street
10
State Street
Massachusetts
$115M +$5.15M +4,007 +5%
O
11
OppenheimerFunds
New York
$80.1M +$1.63M +1,266 +2%
First Trust Advisors
12
First Trust Advisors
Illinois
$74.2M +$14.5M +11,275 +24%
Goldman Sachs
13
Goldman Sachs
New York
$69.4M +$23.9M +18,576 +52%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$54.8M +$4.29M +3,335 +8%
Victory Capital Management
15
Victory Capital Management
Texas
$53.7M +$3.09M +2,405 +6%
UBS AM
16
UBS AM
Illinois
$46.4M +$5.46M +4,248 +13%
American Century Companies
17
American Century Companies
Missouri
$45.1M +$13.1M +10,208 +41%
Norges Bank
18
Norges Bank
Norway
$43.8M +$2.27M +1,769 +5%
Bank of America
19
Bank of America
North Carolina
$40.9M +$22M +17,156 +117%
O
20
OrbiMed
New York
$38.4M -$7.14M -5,558 -16%
CS
21
Credit Suisse
Switzerland
$35.2M +$9.39M +7,310 +36%
Fiera Capital (Canada)
22
Fiera Capital (Canada)
Quebec, Canada
$33M +$33M +25,683 New
CC
23
Casdin Capital
New York
$32.7M +$7.14M +5,558 +28%
CGT
24
Capital Guardian Trust
California
$31.6M +$1.06M +822 +3%
Jennison Associates
25
Jennison Associates
New York
$28.1M -$23.2M -18,034 -45%
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