BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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80 hedge funds and large institutions have $23.7M invested in bluebird bio in 2024 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 20 increasing their positions, 31 reducing their positions, and 72 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
80
Holders Change
-58
Holders Change %
-42.03%
% of All Funds
1.07%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.01%
New
16
Increased
20
Reduced
31
Closed
72
Calls
$40.7M
Puts
$4.89M
Net Calls
+$35.8M
Net Calls Change
+$36M

Top Buyers

1
UBS Group
UBS Group
Switzerland
$887K
2
National Bank of Canada
National Bank of Canada
Quebec, Canada
$681K
3
PHS
PFM Health Sciences
California
$632K
4
Jane Street
Jane Street
New York
$336K
5
Goldman Sachs
Goldman Sachs
New York
$517K

Top Sellers

1
ECM
ExodusPoint Capital Management
New York
$0
2
Fidelity Investments
Fidelity Investments
Massachusetts
$397K
3
Renaissance Technologies
Renaissance Technologies
New York
$0
4
BlackRock
BlackRock
New York
$5.91M
5
Millennium Management
Millennium Management
New York
$164K
Name Holding Trade Value Shares
Change 		Shares
Change %
Barclays
26
Barclays
United Kingdom
$123K +$17.6K +2,100 +17%
AllianceBernstein
27
AllianceBernstein
Tennessee
$123K -$33 -4 -0%
RhumbLine Advisers
28
RhumbLine Advisers
Massachusetts
$118K +$5.18K +621 +5%
Nuveen Asset Management
29
Nuveen Asset Management
Illinois
$106K -$64.8K -7,772 -38%
IA
30
IFP Advisors
Florida
$96.3K +$91.6K +10,225 +1,948%
Dimensional Fund Advisors
31
Dimensional Fund Advisors
Texas
$91K -$161K -19,288 -64%
Citigroup
32
Citigroup
New York
$70K +$10.3K +1,232 +17%
Wells Fargo
33
Wells Fargo
California
$52.2K +$9.78K +1,173 +23%
Mirae Asset Global ETFs Holdings
34
Mirae Asset Global ETFs Holdings
Hong Kong
$46.9K -$121K -14,472 -72%
CF
35
Corebridge Financial
Texas
$40.5K -$2.25K -270 -5%
BNP Paribas Financial Markets
36
BNP Paribas Financial Markets
France
$37.9K -$117K -14,016 -76%
TRCT
37
Tower Research Capital (TRC)
New York
$25.7K +$19.4K +2,322 +308%
PFSRSONJ
38
Police & Firemen's Retirement System of New Jersey
New Jersey
$22.8K +$22.8K +2,731 New
New York State Common Retirement Fund
39
New York State Common Retirement Fund
New York
$14K – – –
Royal Bank of Canada
40
Royal Bank of Canada
Ontario, Canada
$13K +$3.02K +382 +30%
FDCDDQ
41
Federation des caisses Desjardins du Quebec
Quebec, Canada
$8.92K +$8.92K +1,070 New
AIP
42
Ameritas Investment Partners
Nebraska
$7.96K -$8 -1 -0.1%
Legal & General Group
43
Legal & General Group
United Kingdom
$7.83K -$8 -1 -0.1%
California State Teachers Retirement System (CalSTRS)
44
California State Teachers Retirement System (CalSTRS)
California
$5.79K – – –
Carson Wealth (CWM LLC)
45
Carson Wealth (CWM LLC)
Nebraska
$4K +$3.12K +350 +354%
AB
46
Amalgamated Bank
New York
$3K – – –
RAM
47
Riggs Asset Management
Pennsylvania
$2.75K – – –
SCM
48
Sterling Capital Management
North Carolina
$2.71K +$2.46K +295 +983%
SS
49
SBI Securities
Japan
$1.71K +$1.71K +205 New
HPC
50
HM Payson & Co
Maine
$1.67K -$417 -50 -20%
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