BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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177 hedge funds and large institutions have $303M invested in bluebird bio in 2022 Q1 according to their latest regulatory filings, with 36 funds opening new positions, 56 increasing their positions, 45 reducing their positions, and 32 closing their positions.

Holders
177
Holders Change
+2
Holders Change %
+1.14%
% of All Funds
2.8%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
36
Increased
56
Reduced
45
Closed
32
Calls
$961K
Puts
$2.09M
Net Calls
-$1.13M
Net Calls Change
+$601K

Top Buyers

1
State Street
1
State Street
Massachusetts
$63.8M
2
TCM
2
Tang Capital Management
California
$7.52M
3
Morgan Stanley
3
Morgan Stanley
New York
$7.63M
4
Renaissance Technologies
4
Renaissance Technologies
New York
$4.56M
5
Voloridge Investment Management
5
Voloridge Investment Management
Florida
$4.18M

Top Sellers

1
First Trust Advisors
1
First Trust Advisors
Illinois
$0
2
AC
2
Armistice Capital
New York
$0
3
SC
3
Sessa Capital
New York
$0
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$28.7M
5
BCLSI
5
Bain Capital Life Sciences Investors
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
State Street
1
State Street
Massachusetts
$63.8M 13,151,891 +5,534,581 +73%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$29.8M 6,140,000 – –
Vanguard Group
3
Vanguard Group
Pennsylvania
$28.7M 5,927,556 -1,306,034 -18%
BlackRock
4
BlackRock
New York
$28.3M 5,837,111 -74,891 -1%
BBA
5
Baker Bros. Advisors
New York
$12.1M 2,499,715 – –
CS
6
Credit Suisse
Switzerland
$10.7M 2,204,763 +5,466 +0.2%
Goldman Sachs
7
Goldman Sachs
New York
$10.2M 2,093,824 +573,073 +38%
JPMorgan Chase & Co
8
JPMorgan Chase & Co
New York
$9.04M 1,864,533 -351,377 -16%
Morgan Stanley
9
Morgan Stanley
New York
$7.63M 1,572,805 +1,085,725 +223%
TCM
10
Tang Capital Management
California
$7.52M 1,550,000 +1,550,000 New
Geode Capital Management
11
Geode Capital Management
Massachusetts
$5.44M 1,121,177 -116,435 -9%
Rafferty Asset Management
12
Rafferty Asset Management
New York
$4.75M 979,122 +390,594 +66%
Renaissance Technologies
13
Renaissance Technologies
New York
$4.56M 940,000 +940,000 New
Millennium Management
14
Millennium Management
New York
$4.48M 922,745 +391,568 +74%
Federated Hermes
15
Federated Hermes
Pennsylvania
$4.45M 916,803 +656,805 +253%
Voloridge Investment Management
16
Voloridge Investment Management
Florida
$4.18M 861,734 +681,246 +377%
UBS Group
17
UBS Group
Switzerland
$3.98M 820,450 +425,037 +107%
Two Sigma Investments
18
Two Sigma Investments
New York
$3.98M 819,634 +648,941 +380%
Northern Trust
19
Northern Trust
Illinois
$3.41M 702,232 -17,753 -2%
Bank of America
20
Bank of America
North Carolina
$3.19M 657,029 -37,900 -5%
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$3.15M 649,514 +195,645 +43%
Two Sigma Advisers
22
Two Sigma Advisers
New York
$2.64M 543,200 +469,800 +640%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$2.53M 522,203 +500,255 +2,279%
PP
24
PDT Partners
New York
$2.52M 519,485 +216,633 +72%
Nuveen Asset Management
25
Nuveen Asset Management
Illinois
$2.25M 467,276 +15,299 +3%
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