BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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234 hedge funds and large institutions have $1.59B invested in bluebird bio in 2021 Q1 according to their latest regulatory filings, with 49 funds opening new positions, 86 increasing their positions, 66 reducing their positions, and 79 closing their positions.

Holders
234
Holders Change
-33
Holders Change %
-12.36%
% of All Funds
4.12%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
49
Increased
86
Reduced
66
Closed
79
Calls
$25.8M
Puts
$45.8M
Net Calls
-$20M
Net Calls Change
-$16.8M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$209M
2
AC
2
Armistice Capital
New York
$59.2M
3
SCM
3
Suvretta Capital Management
New York
$39.3M
4
SC
4
Sessa Capital
New York
$26.4M
5
CS
5
Credit Suisse
Switzerland
$70M

Top Sellers

1
Capital Research Global Investors
1
Capital Research Global Investors
California
$0
2
Sands Capital Management
2
Sands Capital Management
Virginia
$0
3
Capital World Investors
3
Capital World Investors
California
$0
4
Capital International Investors
4
Capital International Investors
California
$0
5
CC
5
Casdin Capital
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Wellington Management Group
1
Wellington Management Group
Massachusetts
$209M 6,917,143 +1,567,978 +29%
Vanguard Group
2
Vanguard Group
Pennsylvania
$205M 6,797,519 +334,287 +5%
BlackRock
3
BlackRock
New York
$120M 3,987,526 +125,878 +3%
Royal Bank of Canada
4
Royal Bank of Canada
Ontario, Canada
$110M 3,643,830 +325,900 +10%
State Street
5
State Street
Massachusetts
$73M 2,421,753 +130,891 +6%
CS
6
Credit Suisse
Switzerland
$70M 2,321,440 +812,964 +54%
AC
7
Armistice Capital
New York
$59.2M 1,964,000 +1,086,000 +124%
First Trust Advisors
8
First Trust Advisors
Illinois
$42M 1,393,803 +228,374 +20%
SCM
9
Suvretta Capital Management
New York
$39.3M 1,304,246 +877,146 +205%
Victory Capital Management
10
Victory Capital Management
Texas
$33.8M 1,120,151 -338,000 -23%
JPMorgan Chase & Co
11
JPMorgan Chase & Co
New York
$33M 1,094,892 +457,603 +72%
Goldman Sachs
12
Goldman Sachs
New York
$30.7M 1,018,737 -11,748 -1%
CCM
13
Camber Capital Management
Massachusetts
$30.2M 1,000,000 +200,000 +25%
T. Rowe Price Associates
14
T. Rowe Price Associates
Maryland
$28.7M 951,840 -81,980 -8%
SC
15
Sessa Capital
New York
$26.4M 875,000 +875,000 New
Geode Capital Management
16
Geode Capital Management
Massachusetts
$24.9M 827,244 +12,880 +2%
Jacobs Levy Equity Management
17
Jacobs Levy Equity Management
New Jersey
$22.8M 756,642 +212,927 +39%
CS
18
Candriam SCA
Luxembourg
$17.6M 423,098 -16 -0%
BCLSI
19
Bain Capital Life Sciences Investors
Massachusetts
$16.2M 538,179 +538,179 New
Susquehanna International Group
20
Susquehanna International Group
Pennsylvania
$16.1M 534,223 +334,074 +167%
Voloridge Investment Management
21
Voloridge Investment Management
Florida
$15.8M 524,575 +506,038 +2,730%
DM
22
Deerfield Management
New York
$14.5M 480,300 +480,300 New
Nuveen Asset Management
23
Nuveen Asset Management
Illinois
$14.4M 478,226 -109,702 -19%
Millennium Management
24
Millennium Management
New York
$13.3M 441,458 +360,444 +445%
Norges Bank
25
Norges Bank
Norway
$12.2M 405,614 -334,548 -45%
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