BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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150 hedge funds and large institutions have $78.3M invested in bluebird bio in 2024 Q2 according to their latest regulatory filings, with 24 funds opening new positions, 37 increasing their positions, 49 reducing their positions, and 30 closing their positions.

Holders
150
Holders Change
-7
Holders Change %
-4.46%
% of All Funds
2.18%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
24
Increased
37
Reduced
49
Closed
30
Calls
$758K
Puts
$1.25M
Net Calls
-$495K
Net Calls Change
+$517K

Top Buyers

1
AQR Capital Management
1
AQR Capital Management
Connecticut
$1.22M
2
Mirae Asset Global ETFs Holdings
2
Mirae Asset Global ETFs Holdings
Hong Kong
$450K
3
Deutsche Bank
3
Deutsche Bank
Germany
$1.15M
4
State Street
4
State Street
Massachusetts
$3.74M
5
SXL
5
Summit X LLC
Missouri
$577K

Top Sellers

1
GIM
1
Granahan Investment Management
Massachusetts
$0
2
TCM
2
Tang Capital Management
California
$0
3
PHS
3
PFM Health Sciences
California
$0
4
FLSM
4
Frazier Life Sciences Management
California
$0
5
Two Sigma Investments
5
Two Sigma Investments
New York
$894K
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$15.2M 15,442,212 +263,650 +2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$10.1M 10,301,300 -197,160 -2%
Ameriprise
3
Ameriprise
Minnesota
$6.29M 6,391,637 -561 -0%
Millennium Management
4
Millennium Management
New York
$5.07M 5,146,653 -1,092,888 -18%
PAI
5
Palo Alto Investors
California
$4.56M 4,633,351 +73,180 +2%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$4.45M 4,516,271 +198,004 +5%
State Street
7
State Street
Massachusetts
$3.74M 3,798,541 +370,406 +11%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$2.26M 2,295,062 -85,548 -4%
Northern Trust
9
Northern Trust
Illinois
$1.59M 1,615,321 -5,909 -0.4%
Bank of America
10
Bank of America
North Carolina
$1.26M 1,280,455 -14,718 -1%
MIC
11
Maxi Investments CY
Cyprus
$1.25M 23,137 – –
AQR Capital Management
12
AQR Capital Management
Connecticut
$1.22M 1,334,519 +1,013,144 +315%
Deutsche Bank
13
Deutsche Bank
Germany
$1.15M 1,173,570 +443,240 +61%
Jane Street
14
Jane Street
New York
$1.08M 1,097,978 +293,208 +36%
BL
15
Bleichroeder LP
New York
$1.02M 1,037,379 – –
MCM
16
Masters Capital Management
Georgia
$960K 975,000 -25,000 -3%
WP
17
Woodline Partners
California
$954K 969,336 -5,826 -0.6%
Two Sigma Investments
18
Two Sigma Investments
New York
$894K 907,977 -1,866,065 -67%
Susquehanna International Group
19
Susquehanna International Group
Pennsylvania
$888K 901,933 -431,366 -32%
Two Sigma Advisers
20
Two Sigma Advisers
New York
$833K 846,200 -314,600 -27%
Renaissance Technologies
21
Renaissance Technologies
New York
$779K 791,504 -1,396,196 -64%
Dimensional Fund Advisors
22
Dimensional Fund Advisors
Texas
$736K 748,299 -899,247 -55%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$675K 685,757 +111,574 +19%
LPC
24
Lion Point Capital
New York
$668K 678,256 -170,000 -20%
JPMorgan Chase & Co
25
JPMorgan Chase & Co
New York
$626K 635,751 -1,297,325 -67%
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