BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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198 hedge funds and large institutions have $996M invested in bluebird bio in 2021 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 64 increasing their positions, 61 reducing their positions, and 58 closing their positions.

Holders
198
Holders Change
-35
Holders Change %
-15.02%
% of All Funds
3.48%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
26
Increased
64
Reduced
61
Closed
58
Calls
$9.13M
Puts
$17.8M
Net Calls
-$8.64M
Net Calls Change
-$2.12M

Top Buyers

1
BBA
1
Baker Bros. Advisors
New York
$47.8M
2
State Street
2
State Street
Massachusetts
$85.4M
3
EC
3
EcoR1 Capital
California
$15.3M
4
AC
4
Armistice Capital
New York
$47.2M
5
SC
5
Sessa Capital
New York
$35.1M

Top Sellers

1
SCM
1
Suvretta Capital Management
New York
$0
2
Victory Capital Management
2
Victory Capital Management
Texas
$0
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$0
4
DM
4
Deerfield Management
New York
$0
5
CS
5
Credit Suisse
Switzerland
$38.3M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$135M 7,089,204 +128,129 +2%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$132M 6,918,987 -3,247 -0%
BlackRock
3
BlackRock
New York
$110M 5,769,709 -139,388 -2%
State Street
4
State Street
Massachusetts
$85.4M 4,469,936 +1,729,274 +63%
BBA
5
Baker Bros. Advisors
New York
$47.8M 2,499,715 +2,272,727 +1,001%
AC
6
Armistice Capital
New York
$47.2M 2,472,000 +636,000 +35%
First Trust Advisors
7
First Trust Advisors
Illinois
$44M 2,300,025 +112,646 +5%
CS
8
Credit Suisse
Switzerland
$38.3M 2,004,292 -631,349 -24%
JPMorgan Chase & Co
9
JPMorgan Chase & Co
New York
$36.9M 1,932,697 +303,245 +19%
SC
10
Sessa Capital
New York
$35.1M 1,834,965 +634,965 +53%
Goldman Sachs
11
Goldman Sachs
New York
$28.7M 1,503,532 -271,168 -15%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$22.3M 1,166,415 -61,439 -5%
EC
13
EcoR1 Capital
California
$15.3M 802,507 +802,507 New
Northern Trust
14
Northern Trust
Illinois
$13.7M 717,637 -17,765 -2%
Voloridge Investment Management
15
Voloridge Investment Management
Florida
$12.2M 637,764 +168,560 +36%
Nuveen Asset Management
16
Nuveen Asset Management
Illinois
$10.6M 554,981 -135,495 -20%
Norges Bank
17
Norges Bank
Norway
$10.1M 526,554 +26,151 +5%
Principal Financial Group
18
Principal Financial Group
Iowa
$8.46M 442,564 +13,630 +3%
Jacobs Levy Equity Management
19
Jacobs Levy Equity Management
New Jersey
$7.71M 403,226 -407,147 -50%
BCLSI
20
Bain Capital Life Sciences Investors
Massachusetts
$7.24M 538,179 – –
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$6.45M 337,248 +56,739 +20%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$6.37M 333,456 +18,500 +6%
Susquehanna International Group
23
Susquehanna International Group
Pennsylvania
$5.96M 312,022 -43,884 -12%
Morgan Stanley
24
Morgan Stanley
New York
$5.63M 294,572 -390,208 -57%
Millennium Management
25
Millennium Management
New York
$5.19M 271,307 -144,056 -35%
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