BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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155 hedge funds and large institutions have $228M invested in bluebird bio in 2022 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 56 increasing their positions, 44 reducing their positions, and 44 closing their positions.

Holders
155
Holders Change
-22
Holders Change %
-12.43%
% of All Funds
2.62%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
26
Increased
56
Reduced
44
Closed
44
Calls
$1.84M
Puts
$4.53M
Net Calls
-$2.69M
Net Calls Change
-$1.56M

Top Buyers

1
TCM
1
Tang Capital Management
California
$24.5M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$11.6M
3
Millennium Management
3
Millennium Management
New York
$10.3M
4
Citadel Advisors
4
Citadel Advisors
Florida
$4.13M
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$3.38M

Top Sellers

1
State Street
1
State Street
Massachusetts
$7.56M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$14.5M
3
Morgan Stanley
3
Morgan Stanley
New York
$2.69M
4
UBS Group
4
UBS Group
Switzerland
$12K
5
Rafferty Asset Management
5
Rafferty Asset Management
New York
$1.09M
Name Market Value Shares Shares
Change 		Shares
Change %
Wellington Management Group
1
Wellington Management Group
Massachusetts
$25.4M 6,140,000 – –
TCM
2
Tang Capital Management
California
$24.5M 5,910,687 +4,360,687 +281%
BlackRock
3
BlackRock
New York
$24.1M 5,813,340 -23,771 -0.4%
Vanguard Group
4
Vanguard Group
Pennsylvania
$14.5M 3,506,909 -2,420,647 -41%
Renaissance Technologies
5
Renaissance Technologies
New York
$11.6M 2,810,000 +1,870,000 +199%
BBA
6
Baker Bros. Advisors
New York
$10.3M 2,499,715 – –
Millennium Management
7
Millennium Management
New York
$10.3M 2,488,818 +1,566,073 +170%
Goldman Sachs
8
Goldman Sachs
New York
$7.68M 1,855,880 -237,944 -11%
State Street
9
State Street
Massachusetts
$7.56M 1,825,101 -11,326,790 -86%
JPMorgan Chase & Co
10
JPMorgan Chase & Co
New York
$7.06M 1,705,489 -159,044 -9%
CS
11
Credit Suisse
Switzerland
$6.64M 1,603,353 -601,410 -27%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$5.21M 1,257,612 +136,435 +12%
Federated Hermes
13
Federated Hermes
Pennsylvania
$4.79M 1,157,322 +240,519 +26%
Citadel Advisors
14
Citadel Advisors
Florida
$4.13M 996,382 +834,257 +515%
Point72 Asset Management
15
Point72 Asset Management
Connecticut
$3.38M 815,300 +815,300 New
HF
16
HRT Financial
New York
$3.3M 798,048 +798,048 New
GCM
17
Graham Capital Management
Connecticut
$3.24M 781,912 +781,912 New
PAMS
18
Pictet Asset Management (Switzerland)
Switzerland
$2.95M 712,871 +406,212 +132%
D.E. Shaw & Co
19
D.E. Shaw & Co
New York
$2.79M 674,966 +152,763 +29%
Morgan Stanley
20
Morgan Stanley
New York
$2.69M 649,266 -923,539 -59%
Susquehanna International Group
21
Susquehanna International Group
Pennsylvania
$2.66M 641,205 +306,689 +92%
Northern Trust
22
Northern Trust
Illinois
$2.62M 633,234 -68,998 -10%
Marshall Wace
23
Marshall Wace
United Kingdom
$2.4M 579,773 +579,773 New
Voloridge Investment Management
24
Voloridge Investment Management
Florida
$2.33M 563,481 -298,253 -35%
PP
25
PDT Partners
New York
$2.15M 519,477 -8 -0%
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