BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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273 hedge funds and large institutions have $7.92B invested in bluebird bio in 2019 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 106 increasing their positions, 81 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
273
Holders Change
-15
Holders Change %
-5.21%
% of All Funds
5.94%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
31
Increased
106
Reduced
81
Closed
42
Calls
$100M
Puts
$131M
Net Calls
-$31M
Net Calls Change
-$84.9M

Top Buyers

1
Sands Capital Management
Sands Capital Management
Virginia
+$141M
2
Invesco
Invesco
Georgia
+$121M
3
Nuveen Asset Management
Nuveen Asset Management
Illinois
+$53.1M
4
Capital World Investors
Capital World Investors
California
+$48.9M
5
EVM
Eaton Vance Management
Massachusetts
+$26.9M

Top Sellers

1
Vanguard Group
Vanguard Group
Pennsylvania
-$138M
2
MWNA
Marshall Wace North America
New York
-$74.9M
3
Bank of America
Bank of America
North Carolina
-$35.4M
4
EAM
Eventide Asset Management
Massachusetts
-$32.9M
5
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$32.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.05B +$3.28M +1,992 +0.3%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$922M -$7.62M -4,624 -0.8%
Capital Research Global Investors
3
Capital Research Global Investors
California
$849M +$254K +154 +0%
Capital International Investors
4
Capital International Investors
California
$647M -$3.93M -2,383 -0.6%
Capital World Investors
5
Capital World Investors
California
$561M +$48.9M +29,669 +10%
Baillie Gifford & Co
6
Baillie Gifford & Co
United Kingdom
$537M -$32.5M -19,730 -6%
Vanguard Group
7
Vanguard Group
Pennsylvania
$484M -$138M -83,747 -22%
BlackRock
8
BlackRock
New York
$369M -$9.94M -6,030 -3%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$181M -$14.6M -8,835 -7%
State Street
10
State Street
Massachusetts
$149M +$1.43M +867 +1%
Sands Capital Management
11
Sands Capital Management
Virginia
$141M +$141M +85,579 New
Invesco
12
Invesco
Georgia
$134M +$121M +73,216 +899%
First Trust Advisors
13
First Trust Advisors
Illinois
$107M +$10M +6,085 +10%
Victory Capital Management
14
Victory Capital Management
Texas
$95.7M +$21.8M +13,244 +30%
Goldman Sachs
15
Goldman Sachs
New York
$94.3M +$11.9M +7,244 +14%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$78.4M +$3.55M +2,152 +5%
American Century Companies
17
American Century Companies
Missouri
$66.5M +$5.09M +3,089 +8%
Bank of America
18
Bank of America
North Carolina
$64.3M -$35.4M -21,458 -35%
Norges Bank
19
Norges Bank
Norway
$60.4M +$2.31M +1,402 +4%
Nuveen Asset Management
20
Nuveen Asset Management
Illinois
$53.1M +$53.1M +32,229 New
CC
21
Casdin Capital
New York
$47.4M +$1.91M +1,158 +4%
HM
22
HealthCor Management
New York
$46.8M +$8.29M +5,034 +22%
UBS AM
23
UBS AM
Illinois
$45.5M -$10.7M -6,513 -19%
CS
24
Credit Suisse
Switzerland
$44.7M +$4.61M +2,799 +12%
CGT
25
Capital Guardian Trust
California
$44.5M -$181K -110 -0.4%
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